# NTC Thermistor, 10 kohm, ± 1%, ± 0.2%, 3380 K, ± 1% Beta, Radial Leaded, Through Hole, NRM Series
**URL**: https://novapart.co/products/NRMF104F3380B1F/ntc-thermistor-10-kohm-1-02-3380-k-beta-radial
**SKU**: NRMF104F3380B1F
**Manufacturer**: EATON BUSSMANN
**Price**: €0.2340
**Stock**: 1000+
**Lead Time**: 99 days (indicative)
## Specifications
| Parameter | Value |
|---|---|
| Svhc | To Be Advised |
| B-Constant | 3380K |
| Lead Length | 38mm |
| Ntc Mounting | Free Hanging |
| Ntc Case Size | - |
| Product Range | NRM Series |
| Qualification | - |
| Probe Diameter | - |
| Probe Material | - |
| Thermistor Type | Bead |
| Resistance (25°C) | 10kohm |
| Thermistor Mounting | Through Hole |
| B-Constant Tolerance | ± 1% |
| Thermistor Terminals | Radial Leaded |
| Operating Temperature Max | 125°C |
| Operating Temperature Min | -40°C |
| Resistance Tolerance (25°C) | ± 1% |
| Thermal Time Constant (In Air) | 10s |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3958843/)
Technical Data **ELX1109** Effective December 2021
## NRM
## Epoxy sealed radial lead NTC thermistor
## **Applications**
- Industrial process control
- Commercial appliances
- Battery, supercapacitor and energy storage systems
- Uninterruptible power supplies
- Consumer appliances
- Medical devices
## **Product features**
- Faster thermal response
- Epoxy sealed radial lead NTC thermistor with Polyurethane enameled wire
- Non-linear change in resistance vs temperature
- Heating, ventilation and air conditioning, refrigeration (HVACR)
- Food service equipment
- IoT
## **Environmental compliance and general specifications**
**==> picture [55 x 22] intentionally omitted <==**
**----- Start of picture text -----**
HALOGEN
Pb HF
FREE
**----- End of picture text -----**
## **Packaging information**
- Bulk: 500 parts per poly bag
## **Table 1. Part numbering**
**==> picture [519 x 143] intentionally omitted <==**
**----- Start of picture text -----**
NRM x xxy x xxxx Bx x z Custom (optional)
Different chip size
or lead dimensions
oe =
Family name
NRM Wire type Beta tolerance
Beta type
R= Red CCS enameled, F= Fine F = ±1%, J = ±5%
Cu enameled B1=25/50, B2=25/85
Resistance
x.x * 10 [y] Ω; ex: 3.4 * 10 [5] Ω = 345 Beta value
ex: 3465, 4215, etc
Resistance tolerance
F = ±1%, J = ±5%, 2 = ±0.2%
**----- End of picture text -----**
NRM Epoxy sealed radial lead NTC thermistor
Technical Data ELX1109 Effective December 2021
## **Mechanical parameters- mm/inches**
Lead wire: Polyurethane enameled wire
||**Millimeters**||**Inches**||
|---|---|---|---|---|
|**Dimension**|**Minimum**|**Maximum**|**Minimum**|**Maximum**|
|A|1.3|2.3|0.051|0.091|
|B|5.0|7.0|0.197|0.276|
|C
2.0
4.0
0.079
0.157
D
0.28
0.38
0.011
0.015
L
35
45
1.378
1.772
~~oO~~|||||
## **Electrical specifications**
||**Rated**|**Resistance**||**Beta value**|||
|---|---|---|---|---|---|---|
|**Part number**|**temperature**|**(kΩ)**||**(K)**||**Beta type**|
|NRM#233?3935B1*|+25°C|2.252||3935||B25/50|
|NRM#303?3950B1*|+25°C|3||3950||B25/50|
|NRM#503?3300B2*|+25°C|5||3300||B25/85|
|NRM#503?3470B1*|+25°C|5||3470||B25/50|
|NRM#503?3950B1*|+25°C|5||3950||B25/50|
|NRM#104?3380B1*|+25°C|10||3380||B25/50|
|NRM#104?3435B1*|+25°C|10||3435||B25/85|
|NRM#104?3500B2*|+25°C|10||3500||B25/85|
|NRM#104?3950B1*|+25°C|10||3950||B25/50|
|NRM#104?4100B1*|+25°C|10||4100||B25/50|
|NRM#154?4150B1*|+25°C|15||4150||B25/50|
|NRM#234?4200B1*|+25°C|23||4200||B25/50|
|NRM#504?3950B1*|+25°C|50||3950||B25/50|
|NRM#105?3950B1*|+25°C|100||3950||B25/50|
|NRM#105?4150B1*|+25°C|100||4150||B25/50|
|NRM#105?4200B1*|+25°C|100||4200||B25/50|
|NRM#105?4450B1*|+25°C|100||4450||B25/50|
|NRM#353?3435B2*|+50°C|3.4513||3435||B25/85|
|NRM#324?4550B2*|+50°C|31.765||4550||B25/85|
|NRM#203?4250B2*|+86°C|2.028||4250||B25/85|
#= Enter wire type (R= Red CP enameled, F= Fine Cu enameled)
?= Enter resistance tolerance codes (F = ±1%, J = ±5%, 2 = ±0.2%)
*= Enter Beta tolerance codes (F = ±1%, J = ±5%) Dissipation coefficient: ≈0.8 mW/ °C Thermal time constant: ≤10 s Withstand voltage: 300 Vac/1 mA/60 s Insulation resistance: 50 Vdc/50 MΩ/60 s Operation temperature: -40 °C to +125 °C
2
www.eaton.com/electronics
Technical Data ELX1109 Effective December 2021
NRM Epoxy sealed radial lead NTC thermistor
## **Temperature characteristics**
|**Part number**|**NRM#233?3935B1***||**NRM#303?3950B1***||**NRM#503?3300B2***||**NRM#503?3470B1***|**NRM#503?3950B1***|
|---|---|---|---|---|---|---|---|---|
|**Resistance**|**2.252K(25 °C)**||**3K(25 °C)**||**5K(25 °C)**||**5K(25 °C)**|**5K(25 °C)**|
|**Beta Value**|**B25/50=3935**||**B25/50=3950**||**B25/85=3300**||**B25/50=3470**|**B25/50=3950**|
|**Temperature**|**Resistance**||**Resistance**||**Resistance**||**Resistance**|**Resistance**|
|**(°C)**|**(kΩ)**||**(kΩ)**||**(kΩ)**||**(kΩ)**|**(kΩ)**|
|-40|68.45||91.18||93.37||110.53|154.07|
|-39|64.4||85.79||88.32||104.22|144.64|
|-38|60.62||80.75||83.58||98.32|135.85|
|-37|57.07||76.03||79.13||92.78|127.65|
|-36|53.75||71.61||74.95||87.6|119.98|
|-35|50.64||67.47||71.01||82.74|112.83|
|-34|47.73||63.58||67.31||78.19|106.14|
|-33|45||59.94||63.83||73.91|99.88|
|-32|42.43||56.53||60.55||69.9|94.03|
|-31|40.03||53.32||57.46||66.13|88.56|
|-30|37.77||50.31||54.55||62.59|83.44|
|-29|35.6||47.43||51.8||59.27|78.68|
|-28|33.58||44.73||49.21||56.15|74.22|
|-27|31.67||42.2||46.76||53.21|70.03|
|-26|29.89||39.82||44.45||50.44|66.11|
|-25|28.22||37.59||42.27||47.84|62.42|
|-24|26.64||35.49||40.22||45.38|58.96|
|-23|25.17||33.53||38.27||43.07|55.71|
|-22|23.78||31.68||36.43||40.89|52.65|
|-21|22.48||29.95||34.7||38.84|49.78|
|-20|21.25||28.32||33.05||36.9|47.08|
|-19|20.1||26.77||31.49||35.07|44.56|
|-18|19.01||25.33||30.01||33.35|42.18|
|-17|17.99||23.96||28.61||31.72|39.94|
|-16|17.03||22.68||27.29||30.18|37.83|
|-15|16.12||21.48||26.03||28.72|35.85|
|-14|15.27||20.34||24.85||27.34|33.97|
|-13|14.46||19.27||23.72||26.04|32.2|
|-12|13.71||18.26||22.65||24.81|30.54|
|-11|12.99||17.31||21.64||23.64|28.96|
|-10|12.32||16.41||20.68||22.54|27.47|
|-9|11.69||15.57||19.76||21.49|26.05|
|-8|11.09||14.77||18.9||20.51|24.72|
|-7|10.52||14.02||18.08||19.57|23.45|
|-6|9.99||13.3||17.3||18.68|22.26|
|-5|9.48||12.63||16.55||17.84|21.13|
|-4|9.01||12||15.85||17.04|20.07|
|-3|8.56||11.4||15.17||16.28|19.06|
|-2|8.13||10.83||14.54||15.55|18.12|
|-1|7.73||10.3||13.93||14.87|17.22|
|0|7.35||9.79||13.35||14.22|16.37|
|1|6.98||9.3||12.79||13.59|15.55|
|2|6.64||8.85||12.27||13|14.78|
|3|6.31||8.41||11.76||12.43|14.06|
|4|6.01||8||11.29||11.9|13.37|
|5|5.72||7.62||10.83||11.39|12.72|
|6|5.44||7.25||10.39||10.9|12.11|
|7|5.18||6.9||9.98||10.44|11.53|
|8|4.9351||6.57||9.58||10|10.98|
|9|4.7019||6.26||9.21||9.58|10.46|
|10|4.4812||5.97||8.84||9.18|9.96|
|11|4.2719||5.69||8.5||8.8|9.5|
|12|4.0737||5.43||8.17||8.44|9.06|
|13|3.8858||5.18||7.86||8.09|8.64|
|14|3.7076||4.9391||7.56||7.77|8.24|
|15|3.5386||4.7139||7.27||7.45|7.86|
|16|3.3781||4.5001||7||7.15|7.51|
|17|3.2259||4.2974||6.73||6.87|7.17|
|18|3.0814||4.1049||6.48||6.59|6.84|
|19|2.944||3.9218||6.24||6.33|6.54|
|20|2.8137||3.7483||6.01||6.09|6.25|
3
www.eaton.com/electronics
NRM Epoxy sealed radial lead NTC thermistor
Technical Data ELX1109 Effective December 2021
## **Temperature characteristics, cont.**
|21|2.6897|3.5831|5.79|5.85|5.97|
|---|---|---|---|---|---|
|22|2.5719|3.4262|5.58|5.62|5.71|
|23|2.4599|3.277|5.38|5.41|5.46|
|24|2.3534|3.1351|5.19|5.2|5.23|
|25|2.252|3|5|5|5|
|26|2.1555|2.8714|4.8222|4.8104|4.7856|
|27|2.0627|2.7478|4.6503|4.627|4.5794|
|28|1.9743|2.6301|4.4857|4.4518|4.3835|
|29|1.8903|2.5182|4.3279|4.2844|4.1971|
|30|1.8105|2.4119|4.1766|4.1243|4.0198|
|31|1.7345|2.3106|4.0316|3.9712|3.8511|
|32|1.6621|2.2142|3.8925|3.8247|3.6906|
|33|1.5932|2.1224|3.7591|3.6845|3.5377|
|34|1.5276|2.035|3.6311|3.5504|3.3921|
|35|1.4651|1.9517|3.5082|3.4219|3.2534|
|36|1.4056|1.8725|3.3903|3.2989|3.1212|
|37|1.3488|1.7968|3.277|3.1811|2.9951|
|38|1.2946|1.7246|3.1682|3.0682|2.875|
|39|1.243|1.6559|3.0637|2.9599|2.7604|
|40|1.1937|1.5902|2.9633|2.8562|2.651|
|41|1.1467|1.5276|2.8668|2.7567|2.5467|
|42|1.1018|1.4678|2.774|2.6613|2.447|
|43|1.059|1.4107|2.6848|2.5699|2.3519|
|44|1.018|1.3561|2.599|2.482|2.261|
|45|0.979|1.3042|2.5164|2.3977|2.1742|
|46|0.9415|1.2542|2.437|2.3168|2.0912|
|47|0.9059|1.2068|2.3606|2.2391|2.0119|
|48|0.8717|1.1612|2.287|2.1644|1.9361|
|49|0.839|1.1177|2.2161|2.0927|1.8635|
|50|0.8078|1.0761|2.1478|2.0238|1.7942|
|51|0.7778|1.0361|2.0814|1.9561|1.7271|
|52|0.7491|0.9979|2.0174|1.891|1.6629|
|53|0.7216|0.9613|1.9557|1.8282|1.6013|
|54|0.6953|0.9262|1.8961|1.7679|1.5424|
|55|0.6701|0.8927|1.8387|1.7098|1.4859|
|56|0.646|0.8606|1.7833|1.6538|1.4318|
|57|0.6228|0.8297|1.7299|1.5999|1.3799|
|58|0.6007|0.8002|1.6783|1.548|1.3301|
|59|0.5794|0.7718|1.6286|1.498|1.2824|
|60|0.559|0.7447|1.5805|1.4498|1.2366|
|61|0.5394|0.7186|1.5341|1.4034|1.1928|
|62|0.5206|0.6935|1.4893|1.3586|1.1506|
|63|0.5026|0.6695|1.446|1.3154|1.1101|
|64|0.4854|0.6466|1.4042|1.2738|1.0713|
|65|0.4687|0.6244|1.3638|1.2337|1.0341|
|66|0.4528|0.6032|1.3248|1.195|0.9983|
|67|0.4375|0.5828|1.2871|1.1576|0.9639|
|68|0.4227|0.5631|1.2506|1.1216|0.9308|
|69|0.4086|0.5443|1.2153|1.0868|0.8991|
|70|0.395|0.5262|1.1812|1.0533|0.8685|
|71|0.3819|0.5087|1.1483|1.0209|0.8392|
|72|0.3693|0.492|1.1164|0.9896|0.811|
|73|0.3573|0.476|1.0855|0.9594|0.7838|
|74|0.3456|0.4604|1.0556|0.9303|0.7578|
|75|0.3345|0.4456|1.0267|0.9022|0.7326|
|76|0.3237|0.4312|0.9987|0.875|0.7085|
|77|0.3133|0.4174|0.9717|0.8487|0.6852|
|78|0.3033|0.404|0.9455|0.8233|0.6629|
|79|0.2937|0.3913|0.9201|0.7988|0.6413|
|80|0.2845|0.379|0.8955|0.7751|0.6206|
4
www.eaton.com/electronics
Technical Data ELX1109 Effective December 2021
NRM Epoxy sealed radial lead NTC thermistor
## **Temperature characteristics, cont.**
|81|0.2756|0.3671|0.8716|0.7521|0.6006|
|---|---|---|---|---|---|
|82|0.2669|0.3556|0.8486|0.7301|0.5814|
|83|0.2587|0.3446|0.8262|0.7087|0.5628|
|84|0.2507|0.334|0.8045|0.6879|0.5449|
|85|0.243|0.3237|0.7835|0.6679|0.5277|
|86|0.2357|0.314|0.7632|0.6483|0.5115|
|87|0.2285|0.3044|0.7436|0.6294|0.4959|
|88|0.2216|0.2952|0.7245|0.6111|0.4809|
|89|0.215|0.2864|0.706|0.5934|0.4664|
|90|0.2087|0.278|0.6881|0.5764|0.4523|
|91|0.2025|0.2698|0.6707|0.5598|0.4388|
|92|0.1965|0.2618|0.6538|0.5437|0.4258|
|93|0.1907|0.254|0.6374|0.5282|0.4132|
|94|0.1852|0.2467|0.6216|0.5131|0.4011|
|95|0.1798|0.2395|0.6061|0.4986|0.3893|
|96|0.1746|0.2326|0.5912|0.4844|0.378|
|97|0.1696|0.2259|0.5767|0.4708|0.3671|
|98|0.1648|0.2195|0.5626|0.4575|0.3566|
|99|0.1602|0.2134|0.5489|0.4447|0.3463|
|100|0.1556|0.2073|0.5357|0.4323|0.3365|
|101|0.1513|0.2016|0.5228|0.4202|0.3268|
|102|0.147|0.1958|0.5102|0.4087|0.3175|
|103|0.1429|0.1904|0.4981|0.3974|0.3084|
|104|0.1389|0.185|0.4862|0.3864|0.2997|
|105|0.1352|0.1801|0.4747|0.3758|0.2913|
|106|0.1315|0.1752|0.4636|0.3655|0.2831|
|107|0.1279|0.1704|0.4526|0.3557|0.2752|
|108|0.1244|0.1657|0.442|0.3463|0.2676|
|109|0.121|0.1612|0.4316|0.3371|0.2602|
|110|0.1177|0.1568|0.4215|0.3282|0.2531|
|111|0.1145|0.1525|0.4118|0.3196|0.2462|
|112|0.1115|0.1485|0.4022|0.3112|0.2394|
|113|0.1085|0.1445|0.393|0.3031|0.2329|
|114|0.1056|0.1407|0.384|0.2952|0.2267|
|115|0.1028|0.1369|0.3752|0.2875|0.2206|
|116|0.1001|0.1333|0.3667|0.28|0.2147|
|117|0.0975|0.1299|0.3584|0.2728|0.209|
|118|0.0949|0.1264|0.3503|0.2657|0.2035|
|119|0.0924|0.1231|0.3424|0.2589|0.1981|
|120|0.09|0.1199|0.3347|0.2522|0.1929|
|121|0.0877|0.1168|0.3273|0.2459|0.1879|
|122|0.0856|0.114|0.32|0.2396|0.183|
|123|0.0834|0.1111|0.313|0.2336|0.1783|
|124|0.0813|0.1083|0.3061|0.2276|0.1736|
|125|0.0792|0.1055|0.2994|0.2219|0.1692|
5
www.eaton.com/electronics
NRM Epoxy sealed radial lead NTC thermistor
Technical Data ELX1109 Effective December 2021
## **Temperature characteristics**
|**Part number**|**NRM#104?3380B1***||**NRM#104?3500B2***||**NRM#104?3950B1***||**NRM#104?4100B1***|**NRM#154?4150B1***|
|---|---|---|---|---|---|---|---|---|
||**NRM#104?3435B1***||||||||
|**Resistance**|**10K(25 °C)**||**10K(25 °C)**||**10K(25 °C)**||**10K(25 °C)**|**15K(25 °C)**|
|**Beta Value**|**B25/50=3380**||**B25/85=3500**||**B25/50=3950**||**B25/50=4100**|**B25/50=4150**|
||**B25/85=3435**||||||||
|**Temperature**|**Resistance**||**Resistance**||**Resistance**||**Resistance**|**Resistance**|
|**(°C)**|**(kΩ)**||**(kΩ)**||**(kΩ)**||**(kΩ)**|**(kΩ)**|
|-40|200.79||216.45||307.57||335.5|612.12|
|-39|189.87||204.19||288.79||315.56|572.57|
|-38|179.61||192.7||271.27||296.9|535.77|
|-37|169.98||181.94||254.91||279.42|501.54|
|-36|160.92||171.86||239.63||263.04|469.66|
|-35|152.4||162.4||225.36||247.69|439.98|
|-34|144.38||153.53||212.02||233.3|412.32|
|-33|136.84||145.2||199.55||219.8|386.55|
|-32|129.74||137.38||187.88||207.14|362.51|
|-31|123.05||130.03||176.96||195.26|340.09|
|-30|116.74||123.12||166.73||184.11|319.16|
|-29|110.76||116.61||157.18||173.85|299.47|
|-28|105.13||110.49||148.23||164.19|281.09|
|-27|99.81||104.73||139.84||155.1|263.94|
|-26|94.8||99.31||131.96||146.54|247.92|
|-25|90.07||94.2||124.58||138.48|232.95|
|-24|85.61||89.39||117.64||130.89|218.97|
|-23|81.39||84.86||111.13||123.74|205.89|
|-22|77.41||80.58||105.02||117|193.66|
|-21|73.64||76.55||99.27||110.64|182.22|
|-20|70.09||72.75||93.87||104.65|171.51|
|-19|66.73||69.17||88.84||98.93|161.56|
|-18|63.56||65.79||84.11||93.55|152.23|
|-17|60.56||62.6||79.66||88.47|143.49|
|-16|57.71||59.58||75.46||83.69|135.28|
|-15|55.02||56.73||71.5||79.18|127.58|
|-14|52.46||54.03||67.77||74.93|120.35|
|-13|50.04||51.47||64.25||70.92|113.57|
|-12|47.75||49.05||60.92||67.14|107.19|
|-11|45.57||46.76||57.79||63.58|101.21|
|-10|43.5||44.59||54.83||60.21|95.58|
|-9|41.54||42.52||52.11||57.05|90.36|
|-8|39.68||40.55||49.54||54.06|85.44|
|-7|37.91||38.69||47.1||51.23|80.81|
|-6|36.22||36.93||44.78||48.57|76.45|
|-5|34.63||35.26||42.59||46.05|72.33|
|-4|33.11||33.67||40.51||43.66|68.45|
|-3|31.66||32.17||38.53||41.41|64.8|
|-2|30.29||30.74||36.66||39.28|61.35|
|-1|28.99||29.38||34.88||37.27|58.09|
|0|27.74||28.1||33.2||35.36|55.02|
|1|26.55||26.87||31.51||33.47|51.97|
|2|25.41||25.71||29.93||31.69|49.12|
|3|24.33||24.61||28.43||30.01|46.44|
|4|23.3||23.55||27.02||28.44|43.93|
|5|22.32||22.56||25.69||26.96|41.57|
|6|21.39||21.6||24.43||25.57|39.36|
|7|20.51||20.7||23.24||24.25|37.27|
|8|19.66||19.84||22.12||23.02|35.32|
|9|18.86||19.01||21.05||21.85|33.48|
|10|18.09||18.23||20.05||20.76|31.75|
|11|17.36||17.49||19.1||19.72|30.12|
|12|16.66||16.78||18.2||18.74|28.58|
|13|16||16.1||17.35||17.82|27.14|
|14|15.36||15.45||16.54||16.95|25.78|
|15|14.76||14.83||15.78||16.13|24.49|
|16|14.18||14.25||15.05||15.35|23.28|
|17|13.62||13.68||14.37||14.62|22.14|
|18|13.1||13.15||13.72||13.93|21.06|
|19|12.59||12.63||13.1||13.27|20.04|
6 www.eaton.com/electronics
Technical Data ELX1109 Effective December 2021
NRM Epoxy sealed radial lead NTC thermistor
## **Temperature characteristics, cont.**
|20|12.11|12.14|12.51|12.65|19.08|
|---|---|---|---|---|---|
|21|11.65|11.68|11.96|12.06|18.17|
|22|11.21|11.23|11.43|11.5|17.31|
|23|10.79|10.8|10.93|10.97|16.5|
|24|10.39|10.39|10.45|10.47|15.73|
|25|10|10|10|10|15|
|26|9.63|9.63|9.57|9.55|14.31|
|27|9.27|9.26|9.16|9.13|13.66|
|28|8.93|8.92|8.77|8.72|13.05|
|29|8.61|8.59|8.4|8.34|12.47|
|30|8.29|8.27|8.04|7.97|11.91|
|31|7.99|7.97|7.71|7.63|11.39|
|32|7.71|7.68|7.39|7.3|10.89|
|33|7.43|7.4|7.08|6.99|10.41|
|34|7.17|7.13|6.79|6.69|9.96|
|35|6.92|6.88|6.51|6.41|9.53|
|36|6.68|6.63|6.25|6.14|9.13|
|37|6.45|6.4|6|5.88|8.74|
|38|6.22|6.18|5.76|5.64|8.37|
|39|6.01|5.96|5.53|5.4|8.02|
|40|5.81|5.75|5.31|5.18|7.68|
|41|5.61|5.56|5.1|4.9717|7.37|
|42|5.42|5.37|4.9028|4.7704|7.06|
|43|5.24|5.18|4.7127|4.5786|6.77|
|44|5.07|5.01|4.5311|4.3956|6.5|
|45|4.898|4.8411|4.3576|4.2209|6.24|
|46|4.7374|4.6798|4.1917|4.0542|5.99|
|47|4.583|4.5248|4.0331|3.8953|5.75|
|48|4.4345|4.3759|3.8815|3.7433|5.52|
|49|4.2917|4.2327|3.7365|3.5981|5.3|
|50|4.1544|4.0951|3.5978|3.4595|5.09|
|51|4.0207|3.961|3.4636|3.3254|4.8934|
|52|3.8919|3.8319|3.3353|3.1973|4.7025|
|53|3.7679|3.7076|3.2122|3.0746|4.5202|
|54|3.6484|3.588|3.0944|2.9573|4.346|
|55|3.5333|3.4728|2.9814|2.845|4.1792|
|56|3.4223|3.3618|2.8732|2.7375|4.0199|
|57|3.3154|3.2549|2.7695|2.6346|3.8674|
|58|3.2124|3.152|2.6699|2.5361|3.7215|
|59|3.1131|3.0527|2.5745|2.4417|3.5819|
|60|3.0173|2.957|2.4829|2.3513|3.4482|
|61|2.925|2.8649|2.3951|2.2647|3.3203|
|62|2.8359|2.776|2.3108|2.1816|3.1976|
|63|2.7499|2.6902|2.2298|2.1021|3.0802|
|64|2.6669|2.6076|2.1521|2.0258|2.9678|
|65|2.5869|2.5278|2.0775|1.9526|2.86|
|66|2.5096|2.4509|2.0059|1.8824|2.7566|
|67|2.4349|2.3766|1.937|1.8151|2.6575|
|68|2.3628|2.3049|1.8709|1.7504|2.5625|
|69|2.2933|2.2357|1.8073|1.6884|2.4713|
|70|2.2261|2.169|1.7463|1.6289|2.3839|
|71|2.1611|2.1044|1.6875|1.5717|2.3|
|72|2.0984|2.0422|1.631|1.5168|2.2194|
|73|2.0378|1.982|1.5767|1.4641|2.1421|
|74|1.9792|1.9239|1.5243|1.4134|2.0679|
|75|1.9225|1.8677|1.474|1.3648|1.9966|
|76|1.8677|1.8134|1.4256|1.3181|1.9281|
|77|1.8148|1.761|1.3792|1.273|1.8623|
|78|1.7636|1.7102|1.3343|1.2299|1.7991|
|79|1.714|1.6612|1.2911|1.1882|1.7382|
|80|1.6661|1.6138|1.2495|1.1483|1.6798|
7
www.eaton.com/electronics
NRM Epoxy sealed radial lead NTC thermistor
Technical Data ELX1109 Effective December 2021
## **Temperature characteristics, cont.**
|81|1.6197|1.568|1.2095|1.1098|1.6237|
|---|---|---|---|---|---|
|82|1.5748|1.5236|1.1709|1.0728|1.5696|
|83|1.5314|1.4807|1.1337|1.0373|1.5177|
|84|1.4892|1.4392|1.0979|1.003|1.4677|
|85|1.4485|1.399|1.0634|0.97|1.4196|
|86|1.4094|1.361|1.0301|0.9388|1.3728|
|87|1.3716|1.3243|0.9982|0.9088|1.3278|
|88|1.335|1.2887|0.9673|0.8798|1.2844|
|89|1.2995|1.2542|0.9375|0.852|1.2426|
|90|1.2651|1.2208|0.9088|0.8251|1.2023|
|91|1.2318|1.1886|0.8811|0.7993|1.1636|
|92|1.1995|1.1572|0.8544|0.7744|1.1263|
|93|1.1683|1.1269|0.8286|0.7503|1.0903|
|94|1.1379|1.0975|0.8037|0.7272|1.0557|
|95|1.1085|1.0691|0.7796|0.7049|1.0223|
|96|1.08|1.0415|0.7564|0.6832|0.9901|
|97|1.0523|1.0147|0.734|0.6625|0.959|
|98|1.0255|0.9887|0.7123|0.6425|0.9291|
|99|0.9995|0.9636|0.6914|0.6231|0.9002|
|100|0.9743|0.9392|0.6712|0.6044|0.8724|
|101|0.9498|0.9156|0.6517|0.5864|0.8455|
|102|0.926|0.8926|0.6328|0.569|0.8195|
|103|0.9029|0.8704|0.6145|0.5521|0.7945|
|104|0.8805|0.8487|0.5968|0.5359|0.7703|
|105|0.8588|0.8278|0.5798|0.5202|0.7469|
|106|0.8377|0.8074|0.5633|0.5051|0.7244|
|107|0.8173|0.7871|0.5474|0.4903|0.7033|
|108|0.7974|0.7675|0.5321|0.476|0.6829|
|109|0.7782|0.7483|0.5172|0.4621|0.6632|
|110|0.7594|0.7297|0.5029|0.4488|0.6441|
|111|0.7412|0.7116|0.489|0.4359|0.6257|
|112|0.7236|0.6941|0.4754|0.4234|0.6079|
|113|0.7064|0.6771|0.4625|0.4113|0.5907|
|114|0.6897|0.6605|0.4498|0.3997|0.5741|
|115|0.6735|0.6444|0.4376|0.3884|0.558|
|116|0.6577|0.6289|0.4257|0.3774|0.5425|
|117|0.6424|0.6137|0.4143|0.3669|0.5274|
|118|0.6274|0.5989|0.4033|0.3566|0.5129|
|119|0.6129|0.5846|0.3924|0.3468|0.4988|
|120|0.5988|0.5706|0.382|0.3371|0.4851|
|121|0.5851|0.557|0.3719|0.3278|0.4719|
|122|0.5717|0.5438|0.3621|0.3189|0.4592|
|123|0.5587|0.531|0.3526|0.3102|0.4468|
|124|0.5461|0.5185|0.3434|0.3017|0.4348|
|125|0.5338|0.5064|0.3345|0.2935|0.4232|
8
www.eaton.com/electronics
Technical Data ELX1109 Effective December 2021
## NRM Epoxy sealed radial lead NTC thermistor
## **Temperature characteristics**
|**Part number**|**NRM#234?4200B1***||**NRM#504?3950B1***||**NRM#105?3950B1***||**NRM#105?4150B1***|**NRM#105?4200B1***|
|---|---|---|---|---|---|---|---|---|
|**Resistance**|**23K(25 °C)**||**50K(25 °C)**||**100K(25 °C)**||**100K(25 °C)**|**100K(25 °C)**|
|**Beta Value**|**B25/50=4200**||**B25/50=3950**||**B25/50=3950**||**B25/50=4150**|**B25/50=4200**|
|**Temperature**|**Resistance**||**Resistance**||**Resistance**||**Resistance**|**Resistance**|
|**(°C)**|**(kΩ)**||**(kΩ)**||**(kΩ)**||**(kΩ)**|**(kΩ)**|
|-40|937.76||1619.43||3324.3||3780.99|3776.61|
|-39|875.81||1519.85||3119.09||3542.47|3533.28|
|-38|818.32||1426.96||2927.68||3320.21|3307.03|
|-37|764.95||1340.27||2749.07||3113.03|3096.56|
|-36|715.36||1259.33||2582.34||2919.82|2900.7|
|-35|669.28||1183.73||2426.63||2739.57|2718.33|
|-34|626.43||1113.09||2281.15||2571.35|2548.46|
|-33|586.57||1047.04||2145.17||2414.29|2390.16|
|-32|549.48||985.28||2018.03||2267.59|2242.58|
|-31|514.94||927.49||1899.1||2130.53|2104.93|
|-30|482.77||873.41||1787.8||2002.41|1976.49|
|-29|453||822.51||1683.67||1875.43|1854.6|
|-28|425.22||774.87||1586.15||1757.36|1740.96|
|-27|399.29||730.24||1494.78||1647.54|1634.97|
|-26|375.09||688.43||1409.15||1545.33|1536.07|
|-25|352.47||649.23||1328.85||1450.16|1443.74|
|-24|331.34||612.48||1253.54||1361.49|1357.5|
|-23|311.58||578.01||1182.88||1278.84|1276.93|
|-22|293.11||545.66||1116.55||1201.76|1201.61|
|-21|275.82||515.29||1054.28||1129.85|1131.17|
|-20|259.64||486.77||995.79||1062.71|1065.28|
|-19|243.96||460.36||941.19||1004.03|1003.72|
|-18|229.32||435.5||889.83||948.8|946.08|
|-17|215.66||412.09||841.51||896.82|892.07|
|-16|202.9||390.05||796.04||847.87|841.44|
|-15|190.98||369.29||753.23||801.77|793.98|
|-14|179.83||349.72||712.91||758.33|749.45|
|-13|169.41||331.28||674.93||717.41|707.67|
|-12|159.66||313.89||639.14||678.84|668.44|
|-11|150.53||297.49||605.41||642.47|631.61|
|-10|141.98||282.02||573.6||608.19|597|
|-9|134.05||267.67||544.15||576.38|564.19|
|-8|126.6||254.1||516.31||546.31|533.37|
|-7|119.61||241.26||489.98||517.89|504.42|
|-6|113.05||229.11||465.07||491.01|477.21|
|-5|106.89||217.61||441.52||465.59|451.62|
|-4|101.09||206.73||419.23||441.55|427.56|
|-3|95.65||196.42||398.13||418.8|404.91|
|-2|90.52||186.66||378.16||397.28|383.6|
|-1|85.7||177.41||359.26||376.91|363.52|
|0|81.17||168.66||341.36||357.63|344.62|
|1|76.88||159.95||323.53||338.37|326.89|
|2|72.85||151.75||306.76||320.28|310.17|
|3|69.05||144.03||290.98||303.27|294.39|
|4|65.47||136.75||276.12||287.27|279.5|
|5|62.09||129.9||262.12||272.23|265.43|
|6|58.91||123.43||248.93||258.07|252.15|
|7|55.92||117.33||236.5||244.73|239.6|
|8|53.09||111.57||224.77||232.18|227.73|
|9|50.42||106.13||213.7||220.34|216.52|
|10|47.9||100.99||203.26||209.19|205.91|
|11|45.52||96.14||193.39||198.67|195.88|
|12|43.27||91.55||184.08||188.75|186.38|
|13|41.14||87.22||175.27||179.39|177.4|
|14|39.13||83.11||166.95||170.55|168.89|
|15|37.23||79.23||159.08||162.2|160.83|
|16|35.44||75.55||151.63||154.31|153.19|
|17|33.74||72.07||144.58||146.86|145.96|
|18|32.13||68.77||137.91||139.81|139.1|
|19|30.6||65.65||131.59||133.15|132.6|
|20|29.16||62.69||125.6||126.84|126.43|
9
www.eaton.com/electronics
NRM Epoxy sealed radial lead NTC thermistor
Technical Data ELX1109 Effective December 2021
## **Temperature characteristics, cont.**
|21|27.79|59.88|119.93|120.88|120.58|
|---|---|---|---|---|---|
|22|26.5|57.21|114.54|115.23|115.03|
|23|25.27|54.68|109.44|109.87|109.76|
|24|24.11|52.28|104.6|104.8|104.75|
|25|23|50|100|100|100|
|26|21.95|47.83|95.64|95.44|95.48|
|27|20.94|45.78|91.51|91.12|91.11|
|28|19.99|43.83|87.59|87.02|86.96|
|29|19.09|41.97|83.86|83.12|83.03|
|30|18.23|40.2|80.31|79.43|79.3|
|31|17.41|38.52|76.93|75.92|75.76|
|32|16.64|36.92|73.72|72.59|72.4|
|33|15.91|35.4|70.66|69.42|69.22|
|34|15.21|33.94|67.74|66.41|66.19|
|35|14.55|32.56|64.97|63.56|63.31|
|36|13.92|31.24|62.32|60.84|60.57|
|37|13.32|29.98|59.8|58.25|57.97|
|38|12.75|28.78|57.39|55.79|55.5|
|39|12.21|27.64|55.1|53.45|53.15|
|40|11.69|26.55|52.91|51.22|50.91|
|41|11.2|25.5|50.82|49.1|48.78|
|42|10.74|24.51|48.83|47.07|46.75|
|43|10.29|23.56|46.93|45.15|44.82|
|44|9.87|22.65|45.11|43.31|42.98|
|45|9.47|21.78|43.37|41.56|41.22|
|46|9.08|20.95|41.71|39.89|39.55|
|47|8.72|20.16|40.13|38.29|37.96|
|48|8.37|19.4|38.61|36.77|36.44|
|49|8.03|18.68|37.16|35.32|34.98|
|50|7.71|17.98|35.77|33.94|33.6|
|51|7.41|17.31|34.43|32.58|32.25|
|52|7.12|16.67|33.14|31.29|30.96|
|53|6.84|16.05|31.91|30.05|29.72|
|54|6.57|15.46|30.73|28.87|28.54|
|55|6.31|14.89|29.6|27.74|27.41|
|56|6.07|14.35|28.52|26.65|26.33|
|57|5.84|13.83|27.48|25.62|25.3|
|58|5.61|13.33|26.49|24.62|24.31|
|59|5.4|12.85|25.53|23.67|23.36|
|60|5.2|12.39|24.62|22.77|22.46|
|61|5|11.95|23.74|21.89|21.59|
|62|4.815|11.53|22.9|21.06|20.76|
|63|4.636|11.12|22.09|20.26|19.96|
|64|4.4645|10.73|21.31|19.5|19.2|
|65|4.3003|10.36|20.57|18.76|18.47|
|66|4.1429|10|19.85|18.06|17.77|
|67|3.9921|9.65|19.17|17.38|17.1|
|68|3.8475|9.32|18.5|16.74|16.46|
|69|3.7089|9|17.87|16.12|15.85|
|70|3.5759|8.69|17.26|15.52|15.26|
|71|3.4484|8.4|16.68|14.95|14.69|
|72|3.3261|8.11|16.11|14.4|14.15|
|73|3.2087|7.84|15.57|13.88|13.63|
|74|3.096|7.58|15.05|13.37|13.13|
|75|2.9879|7.33|14.55|12.89|12.65|
|76|2.884|7.08|14.07|12.43|12.19|
|77|2.7843|6.85|13.6|11.98|11.75|
|78|2.6885|6.63|13.15|11.55|11.32|
|79|2.5964|6.41|12.73|11.14|10.92|
|80|2.508|6.2|12.31|10.74|10.52|
|81|2.423|6|11.91|10.36|10.15|
|82|2.3413|5.81|11.53|10|9.79|
10
www.eaton.com/electronics
Technical Data ELX1109 Effective December 2021
NRM Epoxy sealed radial lead NTC thermistor
## **Temperature characteristics, cont.**
|83|2.2627|5.62|11.16|9.65|9.44|
|---|---|---|---|---|---|
|84|2.1871|5.44|10.8|9.31|9.11|
|85|2.1144|5.27|10.46|8.98|8.79|
|86|2.0443|5.1|10.12|8.68|8.48|
|87|1.9767|4.9326|9.79|8.38|8.19|
|88|1.9118|4.7741|9.48|8.09|7.91|
|89|1.8492|4.6212|9.17|7.82|7.64|
|90|1.789|4.4738|8.88|7.55|7.38|
|91|1.731|4.3316|8.6|7.3|7.13|
|92|1.6752|4.1945|8.33|7.05|6.89|
|93|1.6214|4.0622|8.06|6.82|6.66|
|94|1.5696|3.9345|7.81|6.59|6.44|
|95|1.5196|3.8113|7.57|6.37|6.23|
|96|1.4718|3.6923|7.33|6.16|6.02|
|97|1.4258|3.5775|7.1|5.95|5.82|
|98|1.3814|3.4666|6.88|5.76|5.63|
|99|1.3386|3.3596|6.67|5.57|5.45|
|100|1.2973|3.2562|6.46|5.39|5.27|
|101|1.2574|3.1563|6.27|5.21|5.1|
|102|1.219|3.0599|6.07|5.04|4.9323|
|103|1.1819|2.9667|5.89|4.8816|4.7734|
|104|1.1462|2.8767|5.71|4.7246|4.6202|
|105|1.1116|2.7897|5.54|4.5733|4.4724|
|106|1.0783|2.7056|5.37|4.4273|4.33|
|107|1.0464|2.6265|5.21|4.2894|4.1928|
|108|1.0155|2.55|5.06|4.1563|4.0604|
|109|0.9857|2.4761|4.9068|4.0278|3.9327|
|110|0.957|2.4045|4.7622|3.9038|3.8094|
|111|0.9292|2.3353|4.6224|3.7841|3.6906|
|112|0.9023|2.2684|4.4872|3.6686|3.5757|
|113|0.8764|2.2037|4.3564|3.5571|3.4649|
|114|0.8513|2.141|4.2298|3.4493|3.358|
|115|0.827|2.0804|4.1074|3.3452|3.2547|
|116|0.8036|2.0217|3.989|3.2447|3.155|
|117|0.7809|1.9649|3.8742|3.1475|3.0587|
|118|0.7589|1.9099|3.7633|3.0536|2.9656|
|119|0.7377|1.8566|3.6559|2.963|2.8758|
|120|0.7172|1.805|3.5519|2.8753|2.789|
|121|0.6973|1.7551|3.4513|2.7906|2.705|
|122|0.6781|1.7066|3.3538|2.7086|2.624|
|123|0.6595|1.6598|3.2593|2.6295|2.5456|
|124|0.6415|1.6144|3.1679|2.5528|2.4699|
|125|0.624|1.5704|3.0793|2.4787|2.3966|
www.eaton.com/electronics 11
NRM Epoxy sealed radial lead NTC thermistor
Technical Data ELX1109 Effective December 2021
## **Temperature characteristics**
|**Part number**|**NRM#105?4450B1***||**NRM#353?3435B2***||**NRM#324?4550B2***||**NRM#203?4250B2***|
|---|---|---|---|---|---|---|---|
|**Resistance**|**100K(25 °C)**||**3.4513K(50 °C)**||**31.765K(50 °C)**||**2.028K(86 °C)**|
|**Beta Value**|**B25/50=4450**||**B25/85=3435**||**B25/85=4550**||**B25/85=4250**|
|**Temperature**|**Resistance**||**Resistance**||**Resistance**||**Resistance**|
|**(°C)**|**(kΩ)**||**(kΩ)**||**(kΩ)**||**(kΩ)**|
|-40|4673.96||166.81||4754.69||930.3|
|-39|4360.69||157.74||4436.01||868.85|
|-38|4070.07||149.22||4140.37||811.82|
|-37|3800.33||141.21||3865.97||758.86|
|-36|3549.88||133.69||3611.19||709.67|
|-35|3317.22||126.61||3374.52||663.96|
|-34|3101.01||119.95||3154.57||621.45|
|-33|2899.99||113.68||2950.08||581.91|
|-32|2713.02||107.78||2759.88||545.11|
|-31|2539.05||102.22||2582.9||510.85|
|-30|2377.1||96.98||2418.16||478.93|
|-29|2225.88||92.02||2264.33||449.4|
|-28|2085.04||87.34||2121.06||421.84|
|-27|1953.82||82.92||1987.57||396.12|
|-26|1831.52||78.76||1863.15||372.1|
|-25|1717.47||74.83||1747.13||349.67|
|-24|1611.09||71.12||1638.91||328.7|
|-23|1511.81||67.62||1537.92||309.1|
|-22|1419.14||64.31||1443.65||290.78|
|-21|1332.59||61.18||1355.61||273.63|
|-20|1251.74||58.23||1273.36||257.58|
|-19|1175.7||55.44||1196||242.02|
|-18|1104.66||52.8||1123.74||227.5|
|-17|1038.27||50.31||1056.2||213.94|
|-16|976.19||47.95||993.05||201.28|
|-15|918.14||45.71||934||189.46|
|-14|863.82||43.58||878.74||178.4|
|-13|812.98||41.57||827.02||168.06|
|-12|765.38||39.67||778.6||158.39|
|-11|720.8||37.86||733.25||149.33|
|-10|679.03||36.14||690.76||140.85|
|-9|639.9||34.51||650.95||132.98|
|-8|603.21||32.96||613.63||125.6|
|-7|568.8||31.49||578.63||118.66|
|-6|536.51||30.09||545.78||112.15|
|-5|506.21||28.77||514.95||106.04|
|-4|477.75||27.5||486||100.29|
|-3|451.03||26.31||458.82||94.88|
|-2|425.92||25.16||433.27||89.8|
|-1|402.32||24.08||409.27||85.02|
|0|380.14||23.05||386.7||80.52|
|1|358.97||22.05||365.17||76.27|
|2|339.1||21.11||344.95||72.27|
|3|320.44||20.21||325.97||68.5|
|4|302.91||19.36||308.14||64.95|
|5|286.44||18.55||291.38||61.6|
|6|270.95||17.77||275.63||58.45|
|7|256.39||17.04||260.82||55.47|
|8|242.69||16.33||246.88||52.66|
|9|229.79||15.67||233.76||50.02|
|10|217.65||15.03||221.41||47.52|
|11|206.22||14.42||209.78||45.15|
|12|195.45||13.84||198.83||42.92|
|13|185.3||13.29||188.5||40.82|
|14|175.73||12.76||178.77||38.82|
|15|166.71||12.26||169.59||36.94|
|16|158.19||11.78||160.93||35.16|
|17|150.16||11.32||152.75||33.47|
|18|142.58||10.88||145.04||31.87|
|19|135.42||10.46||137.76||30.36|
|20|128.65||10.06||130.87||28.93|
12
www.eaton.com/electronics
Technical Data ELX1109 Effective December 2021
NRM Epoxy sealed radial lead NTC thermistor
## **Temperature characteristics, cont.**
|21|122.26|9.68|124.37|27.57|
|---|---|---|---|---|
|22|116.22|9.31|118.23|26.29|
|23|110.51|8.96|112.42|25.07|
|24|105.11|8.63|106.92|23.91|
|25|100|8.31|101.73|22.82|
|26|95.14|8|96.785|21.78|
|27|90.55|7.7|92.11|20.78|
|28|86.2|7.42|87.686|19.83|
|29|82.08|7.15|83.499|18.93|
|30|78.19|6.89|79.534|18.08|
|31|74.49|6.64|75.778|17.28|
|32|71|6.4|72.22|16.51|
|33|67.68|6.18|68.848|15.78|
|34|64.54|5.96|65.651|15.09|
|35|61.56|5.75|62.619|14.43|
|36|58.73|5.55|59.743|13.81|
|37|56.05|5.35|57.014|13.21|
|38|53.5|5.17|54.424|12.65|
|39|51.08|4.9927|51.965|12.11|
|40|48.79|4.8227|49.63|11.6|
|41|46.61|4.6595|47.412|11.12|
|42|44.54|4.5029|45.304|10.65|
|43|42.57|4.3524|43.301|10.21|
|44|40.69|4.2079|41.396|9.792|
|45|38.91|4.069|39.585|9.391|
|46|37.22|3.9356|37.862|9.01|
|47|35.61|3.8073|36.223|8.646|
|48|34.08|3.684|34.664|8.299|
|49|32.62|3.5654|33.179|7.968|
|50|31.23|3.4513|31.765|7.652|
|51|29.9|3.3402|30.419|7.349|
|52|28.64|3.2332|29.136|7.059|
|53|27.44|3.1302|27.914|6.782|
|54|26.29|3.0309|26.749|6.517|
|55|25.2|2.9353|25.638|6.264|
|56|24.16|2.8431|24.579|6.022|
|57|23.17|2.7543|23.568|5.791|
|58|22.22|2.6688|22.605|5.57|
|59|21.32|2.5862|21.685|5.358|
|60|20.45|2.5067|20.807|5.156|
|61|19.63|2.4299|19.968|4.962|
|62|18.84|2.3559|19.168|4.777|
|63|18.09|2.2845|18.403|4.599|
|64|17.37|2.2155|17.673|4.429|
|65|16.69|2.149|16.975|4.266|
|66|16.03|2.0848|16.308|4.11|
|67|15.4|2.0228|15.67|3.96|
|68|14.8|1.963|15.06|3.817|
|69|14.23|1.9052|14.477|3.679|
|70|13.68|1.8493|13.919|3.548|
|71|13.16|1.7954|13.385|3.421|
|72|12.66|1.7433|12.874|3.3|
|73|12.17|1.6929|12.385|3.183|
|74|11.71|1.6442|11.917|3.071|
|75|11.27|1.5971|11.468|2.964|
|76|10.85|1.5516|11.039|2.861|
|77|10.45|1.5076|10.627|2.762|
|78|10.06|1.4651|10.233|2.667|
|79|9.69|1.4239|9.855|2.576|
|80|9.33|1.3841|9.493|2.488|
|81|8.99|1.3455|9.145|2.404|
13
www.eaton.com/electronics
NRM Epoxy sealed radial lead NTC thermistor
Technical Data ELX1109 Effective December 2021
## **Temperature characteristics, cont.**
|82|8.66|1.3083|8.812|2.323|
|---|---|---|---|---|
|83|8.35|1.2722|8.493|2.245|
|84|8.05|1.2372|8.186|2.17|
|85|7.76|1.2034|7.892|2.098|
|86|7.48|1.1709|7.612|2.028|
|87|7.22|1.1395|7.343|1.961|
|88|6.96|1.1091|7.084|1.897|
|89|6.72|1.0796|6.836|1.835|
|90|6.49|1.051|6.597|1.775|
|91|6.26|1.0234|6.368|1.717|
|92|6.04|0.9965|6.148|1.662|
|93|5.84|0.9705|5.936|1.609|
|94|5.64|0.9453|5.733|1.557|
|95|5.44|0.9209|5.538|1.508|
|96|5.26|0.8972|5.35|1.46|
|97|5.08|0.8743|5.169|1.414|
|98|4.9103|0.852|4.9952|1.37|
|99|4.746|0.8304|4.828|1.328|
|100|4.5879|0.8094|4.6671|1.287|
|101|4.4325|0.789|4.5091|1.247|
|102|4.283|0.7693|4.3571|1.209|
|103|4.1392|0.7501|4.2107|1.173|
|104|4.0007|0.7315|4.0699|1.137|
|105|3.8673|0.7135|3.9341|1.103|
|106|3.7389|0.6959|3.8036|1.07|
|107|3.6153|0.6789|3.6778|1.038|
|108|3.4963|0.6625|3.5567|1.0074|
|109|3.3815|0.6464|3.44|0.9779|
|110|3.271|0.6309|3.3275|0.9494|
|111|3.1645|0.6158|3.2192|0.9218|
|112|3.0619|0.6011|3.1148|0.8952|
|113|2.963|0.5868|3.0141|0.8694|
|114|2.8676|0.573|2.9171|0.8445|
|115|2.7756|0.5595|2.8236|0.8204|
|116|2.687|0.5464|2.7334|0.7972|
|117|2.6015|0.5336|2.6464|0.7747|
|118|2.519|0.5212|2.5625|0.7529|
|119|2.4394|0.5092|2.4816|0.7319|
|120|2.3627|0.4975|2.4035|0.7115|
|121|2.2886|0.4861|2.3281|0.6918|
|122|2.2171|0.475|2.2554|0.6727|
|123|2.148|0.4642|2.1852|0.6542|
|124|2.0814|0.4537|2.1174|0.6364|
|125|2.0172|0.4435|2.052|0.6191|
14
www.eaton.com/electronics
NRM Epoxy sealed radial lead NTC thermistor
Technical Data ELX1109 Effective December 2021
## **Wave solder profile**
**==> picture [262 x 201] intentionally omitted <==**
**----- Start of picture text -----**
tp
Tp
First Wave Second Wave
Tsmax
Tstyp
Tsmin
Preheat area Cool down area
Time ————>
Temperature
**----- End of picture text -----**
## **Reference EN 61760-1:2006**
|**Profile feature**|||**Standard SnPb solder**||**Lead (Pb) free solder**|
|---|---|---|---|---|---|
|Preheat • Temperature min. (Tsmin)|Preheat • Temperature min. (Tsmin)||100 °C||100 °C|
||• Temperature typ. (Tstyp)||120 °C||120 °C|
||• Temperature max. (Tsmax)||130 °C||130 °C|
||• Time (Tsmin to Tsmax) (ts)||70 seconds||70 seconds|
|D preheat tomax Temperature|||150 °C max.||150 °C max.|
|Peak temperature (TP)*|||235 °C – 260 °C||250 °C – 260 °C|
|Time at peak temperature (tp)|||10 seconds max
5 seconds max each wave||10 seconds max
5 seconds max each wave|
|Ramp-down rate|||~ 2 K/s min||~ 2 K/s min|
||||~3.5 K/s typ||~3.5 K/s typ|
||||~5 K/s max||~5 K/s max|
|Time 25 °C to 25 °C|||4 minutes||4 minutes|
## **Manual solder**
+280 °C ±20 °C (less than 2 seconds by soldering iron at ≥9 mm distance from the thermistor head), generally manual/hand soldering is not recommended
Life Support Policy: Eaton does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin.
## **Eaton**
**Electronics Division** 1000 Eaton Boulevard Cleveland, OH 44122 United States Eaton.com/electronics
© 2021 Eaton All Rights Reserved Printed in USA Publication No. ELX1109 BU-ELX21121 December 2021
Eaton is a registered trademark. All other trademarks are property of their respective owners.
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## Links
- [View this product on Novapart](https://novapart.co/products/NRMF104F3380B1F/ntc-thermistor-10-kohm-1-02-3380-k-beta-radial)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/eaton-bussmann/nrmf104f3380b1f/ntc-thermistor-10kohm-radial-leaded/dp/3958843)
---
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