# NTC Thermistor, 10 kohm, ± 5%, 3950 K, ± 1% Beta, Radial Leaded, Through Hole, NRL Series
**URL**: https://novapart.co/products/NRL3104J3950B1F/ntc-thermistor-10-kohm-5-3950-k-1-beta-radial
**SKU**: NRL3104J3950B1F
**Manufacturer**: EATON BUSSMANN
**Price**: €0.2070
**Stock**: 1000+
**Lead Time**: 99 days (indicative)
## Specifications
| Parameter | Value |
|---|---|
| Svhc | To Be Advised |
| B-Constant | 3950K |
| Lead Length | 25mm |
| Ntc Mounting | Free Hanging |
| Ntc Case Size | - |
| Product Range | NRL 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) | ± 5% |
| Thermal Time Constant (In Air) | 15s |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3958857/)
Effective March 2022 Technical Data **ELX1108** Supersedes December 2021
## NRL
## 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 UL3656 XLPE insulation lead 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: 400 parts per poly bag
**Table 1. Part numbering**
**==> picture [519 x 143] intentionally omitted <==**
**----- Start of picture text -----**
NRL x xxy x xxxx Bx x z Custom (optional)
Different chip size
or lead dimensions
oo =
Family name
NRL Wire size Beta tolerance
Beta type
1= #30 AWG, 2= #28 AWG, 3= F = ±1%, J = ±5%
#26AWG 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%
**----- End of picture text -----**
NRL Epoxy sealed radial lead NTC thermistor
Technical Data ELX1108 Effective March 2022
## **Mechanical parameters- mm/inches**
**Millimeters Inches Dimension Minimum Maximum Minimum Maximum** A 2.0 4.0 0.0787 0.157 B 5.0 8.0 0.197 0.315 Lead wire: UL3656 XLPE Insulated hook up wire C 2.0 4.0 0.0787 0.1575 ~~a~~ D 9.0 15 0.354 0.591 L 27 33 1.063 1.299
## **Electrical specifications**
||**Rated**|**Resistance**||**Beta value**|||
|---|---|---|---|---|---|---|
|**Part number**|**temperature**|**(kΩ)**||**(K)**||**Beta type**|
|NRL#233?3935B1*|+25°C|2.252||3935||B25/50|
|NRL#303?3950B1*|+25°C|3||3950||B25/50|
|NRL#503?3300B2*|+25°C|5||3300||B25/85|
|NRL#503?3470B1*|+25°C|5||3470||B25/50|
|NRL#503?3950B1*|+25°C|5||3950||B25/50|
|NRL#104?3380B1*|+25°C|10||3380||B25/50|
|NRL#104?3435B2*|+25°C|10||3435||B25/85|
|NRL#104?3500B2*|+25°C|10||3500||B25/85|
|NRL#104?3950B1*|+25°C|10||3950||B25/50|
|NRL#104?4100B1*|+25°C|10||4100||B25/50|
|NRL#154?4150B1*|+25°C|15||4150||B25/50|
|NRL#234?4200B1*|+25°C|23||4200||B25/50|
|NRL#504?3950B1*|+25°C|50||3950||B25/50|
|NRL#105?3950B1*|+25°C|100||3950||B25/50|
|NRL#105?4150B1*|+25°C|100||4150||B25/50|
|NRL#105?4200B1*|+25°C|100||4200||B25/50|
|NRL#105?4450B1*|+25°C|100||4450||B25/50|
|NRL#353?3435B2*|+50°C|3.4513||3435||B25/85|
|NRL#324?4550B2*|+50°C|31.765||4550||B25/85|
|NRL#203?4250B2*|+86°C|2.028||4250||B25/85|
#= Enter wire size designation (1= #30 AWG, 2= #28 AWG, 3= #26AWG)
?= Enter resistance tolerance codes (F = ±1%, J = ±5%)
*= Enter Beta tolerance codes (F = ±1%, J = ±5%) Dissipation coefficient: ≈1.8 mW/ °C Thermal time constant: ≤15 s Withstand voltage: 500 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 ELX1108 Effective March 2022
NRL Epoxy sealed radial lead NTC thermistor
## **Temperature characteristics**
|**Part number**|**NRL#233?3935B1***||**NRL#303?3950B1***||**NRL#503?3300B2***||**NRL#503?3470B1***|**NRL#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
NRL Epoxy sealed radial lead NTC thermistor
Technical Data ELX1108 Effective March 2022
## **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 ELX1108 Effective March 2022
NRL 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
NRL Epoxy sealed radial lead NTC thermistor
Technical Data ELX1108 Effective March 2022
## **Temperature characteristics**
|**Part number**|**NRL#104?3380B1***||**NRL#104?3500B2***||**NRL#104?3950B1***||**NRL#104?4100B1***|**NRL#154?4150B1***|
|---|---|---|---|---|---|---|---|---|
||**NRL#104?3435B2***||||||||
|**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 ELX1108 Effective March 2022
NRL 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
NRL Epoxy sealed radial lead NTC thermistor
Technical Data ELX1108 Effective March 2022
## **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 ELX1108 Effective March 2022
NRL Epoxy sealed radial lead NTC thermistor
## **Temperature characteristics**
|**Part number**|**NRL#234?4200B1***||**NRL#504?3950B1***||**NRL#105?3950B1***||**NRL#105?4150B1***|**NRL#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
NRL Epoxy sealed radial lead NTC thermistor
Technical Data ELX1108 Effective March 2022
## **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 ELX1108 Effective March 2022
NRL 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|
11
www.eaton.com/electronics
NRL Epoxy sealed radial lead NTC thermistor
Technical Data ELX1108 Effective March 2022
## **Temperature characteristics**
|**Part number**|**NRL#105?4450B1***||**NRL#353?3435B2***||**NRL#324?4550B2***||**NRL#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 ELX1108 Effective March 2022
NRL 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
NRL Epoxy sealed radial lead NTC thermistor
Technical Data ELX1108 Effective March 2022
## **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
NRL Epoxy sealed radial lead NTC thermistor
Technical Data ELX1108 Effective March 2022
## **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 © 2022 Eaton All Rights Reserved Printed in USA Publication No. ELX1108 March 2022
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/NRL3104J3950B1F/ntc-thermistor-10-kohm-5-3950-k-1-beta-radial)
- [Request a quote for this part](https://novapart.co/quote/)
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---
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