DKF103N5

NTC Thermistor, 10 kohm, DO-35, Through Hole, 3960 K, DK Series

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Manufacturer: AMPHENOL ADVANCED SENSORS
Product type:
SVHC: No SVHC (07-Jul-2017)
B-Constant: 3960K
Lead Length: -
NTC Mounting: Through Hole
NTC Case Size: DO-35
Product Range: DK Series
Qualification: AEC-Q200
Probe Diameter: -
Probe Material: -
Thermistor Type: Glass Encapsulated, Axial Leaded
Resistance (25°C): 10kohm
Thermistor Mounting: Through Hole
B-Constant Tolerance: ± 1%
Thermistor Terminals: Axial Leaded
Thermistor Case Style: DO-35
Operating Temperature Max: 250°C
Operating Temperature Min: -40°C
Resistance Tolerance (25°C): ± 5%
Thermal Time Constant (in Air): 7s

Delivery and price
Units per pack	2500
Price	0.594 €
Current stock	10+
Lead time	30 days

Datasheet

## NTC Diode Thermometrics Thermistors 

A range of NTC chip thermistors in DO-35 style glass package (diode outline) with axial soldercoated copper-clad steel wires. 

- Designed for accurate temperature measurement,  control and compensation 

- Tight tolerances on resistance and B value 

- Operation up to 482°F (250°C) with excellent stability 

- Glass body provides hermetic seal and voltage insulation and excellent stability 

- Designed for cost effective solid state sensor 

   - Available on axial bandolier to IEC-286-1/EIA468A and packet taped to EIA RS-481 for MELF. 

   - Also available loose-packed with axial, radial and SMD wire forms 

   - Suitable for automotive, telecom (battery packs), HVAC and white goods applications 

   - Temperature sensing for household appliances such as rice cookers, electronic ranges, ovens, etc. 

   - Temperature sensing for industrial products such as pharmaceuticals, chemicals, food, etc. components. 

- Lead-wires metallurgically bonded to thermistor element for improved reliability (Type GE only) 

- Resistant to corrosive atmospheres and harsh environments 

## **Amphenol Advanced Sensors** 

## Type DK Specifications 

Chip thermistor in DO-35 glass package 

## **Options** 

- Other resistance values within the ranges shown; e.g. code DKA302*2 for 3000 Ω ±2% at 77°F (25°C) 

- Reference temperatures in the range 0°F to 302°F (-18°C to 150°C) 

- Operation to 572°F (300°C) (no solder coating on wires) 

- Wire lengths 0.16 in to 1.26 in (4 mm to 32 mm) 

- ±0.04 in (±1 mm) for DK-N; up to 1.02 in (26 mm) for DK-H 

**==> picture [291 x 205] intentionally omitted <==**

**----- Start of picture text -----**<br>
0.08 in (2 mm) 0.02 in (0.5 mm)<br>DK-N maximum nominal<br>1.06 in (27 mm)  0.2 in (4.2 mm)<br>minimum maximum<br>DK-H<br>0.08 in (2 mm) 0.16 in (4 mm)<br>nominal maximum 0.1 in (2.8 mm)<br>Inside radius Ø 0.02 in (0.5 mm) nominal<br>0.05 in (1.2 mm)<br>nominal<br>0.8 in (19.5 mm) ±1<br>**----- End of picture text -----**<br>


_NTC Type DK wires should not be bent within 0.08 in (2 mm) of glass body_ 

## **Coding** 

Replace * in the codes shown below as follows: 

- Axial, loose-packed: N 

- Axial, bandoliered: B 

- Radial, loose-packed: H 

- Surface mount, loose-packed: M 

## **Data** 

- Operating temperature: -40°F to 482°F (-40°C to 250°C) 

- Thermal time constant: 7 seconds (cooling in air) 

- Dissipation factor: 3.0 mW/K 

- Mass: 0.2 g 

- Packing/MOQ: 1000/box (loose), 5000/reel (bandoliered) 

**==> picture [310 x 28] intentionally omitted <==**

**----- Start of picture text -----**<br>
R25  W Material  B 25/85 K Code   Code   Code  Code<br>system R25 ±2% R25 ±3%  R25 ±5% R25 ±10%<br>**----- End of picture text -----**<br>


|2000|2|3540|±1%|DKA202*2|DKA202*3|DKA202*5|DKA202*10|
|---|---|---|---|---|---|---|---|
|5000|2|3540|±1%|DKA502*2|DKA502*3|DKA502*5|DKA502*10|
|10,000|2|3540|±1%|DKA103*2|DKA103*3|DKA103*5|DKA103*10|
|10,000|5A|3730|±2%||DKC103*3|DKC103*5|DKC103*10|
|12,000|5A|3730|±2%|DKC123*2|DKC123*3|DKC123*5|DKC123*10|
|10,000|3|3960|±1%|DKF103*2|DKF103*3|DKF103*5|DKF103*10|
|20,000|3|3960|±1%|DKF203*2|DKF203*3|DKF203*5|DKF203*10|
|30,000|3|3960|±1%|DKF303*2|DKF303*3|DKF303*5|DKF303*10|
|50,000|3|3960|±1%|DKF503*2|DKF503*3|DKF503*5|DKF503*10|
|100,000|3|3960|±1%|DKF104*2|DKF104*3|DKF104*5|DKF104*10|
|200,000|G|4263|±2%|||DKG204*5|DKG204*10|
|500,000|D|4573|±2%|||DKD504*5|DKD504*10|
|1,000,000|D|4573|±2%|||DKD105*5|DKD105*10|



_See separate tables for resistance-temperature data.. Consult factory for additional tolerance requirements._ 

**2** 

## Type DKM Specifications 

Glass encapsulated SMD thermistor 

## **Description** 

A range of thermistors in DO-35 style glass package (diode outline formed for surface lead-wires and applications) with solder-coated copper-clad steel lead-wires. 

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0.09 in (2.2 mm) maximum<br>0.04 in 0.04 in (1 mm) minimum<br>(1 mm) 0.2 in (4.2 mm) maximum<br>minimum<br>0.4 in (9.0 mm)/<br>0.4 in (9.5 mm )<br>**----- End of picture text -----**<br>


_NTC Type DKM wires should not be bent within 0.08 in (2 mm) of glass body_ 

## **Options** 

- Other resistance values within the ranges shown; e.g. code DKA302M2 for 3000 Ω ±2% at 77°F (25°C) 

- Reference temperatures in the range 32°F to 302°F (0°C to 150°C) 

- For tape and reel, add suffix “AB” 

## **Data** 

   - Operating temperature: -40°F to 482°F (-40°C to 250°C) 

   - Thermal time constant: 7 seconds (cooling in air) 

   - Dissipation factor: 3.0 mW/K 

   - Mass: 0.2 g 

   - Packing/MOQ: 1000/box (loose) 

- Operation to 572°F (300°C); no solder coating on lead-wires 

**==> picture [337 x 30] intentionally omitted <==**

**----- Start of picture text -----**<br>
R25  W Material  B 25/85 K Code  Code  Code  Code<br> System R25 ±2% R25 ±3% R25 ±5% R25 ±10%<br>**----- End of picture text -----**<br>


|2000|2|3540|±1%|DKA202M2|DKA202M3|DKA202M*5|DKA202M10|
|---|---|---|---|---|---|---|---|
|5000|2|3540|±1%|DKA502M*2|DKA502M3|DKA502M5|DKA502M10|
|10,000|2|3540|±1%|DKA103M2|DKA103M3|DKA103M5|DKA103M10|
|10,000|5A|3730|±2%||DKC103M3|DKC103M5|DKC103M10|
|10,000|3|3960|±1%|DKF103M2|DKF103M3|DKF103M5|DKF103M10|
|20,000|3|3960|±1%|DKF203M2|DKF203M3|DKF203M5|DKF203M10|
|30,000|3|3960|±1%|DKF303M2|DKF303M3|DKF303M5|DKF303M10|
|50,000|3|3960|±1%|DKF503M2|DKF503M3|DKF503M5|DKF503M10|
|100,000|3|3960|±1%|DKF104M2|DKF104M3|DKF104M5|DKF104M10|
|200,000|G|4263|±2%|||DKG204M5|DKG204M10|
|500,000|D|4573|±2%|||DKD504M5|DKD504M10|
|1,000,000|D|4573|±2%|||DKD105M5|DKD105M10|



_See separate tables for resistance-temperature data.. Consult factory for additional tolerance requirements._ 

**3** 

## Type GE Specifications 

Glass encapsulated DO-35 package 

## **Options** 

- For reel taping “R” suffix 

- Nickel leads for welding 

- Other resistances in the range 250 Ω to 5 MΩ 

- Other tolerances, tolerances at other temperatures 

- Alternative leads lengths, lead materials 

- Can be expanded to 572°F (300°C) with nickel leads 

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**----- Start of picture text -----**<br>
Tinned AWG 24<br>Ø 0.075 in<br>1.15 in (29.2 mm) 0.155 in 1.15 in (29.2 mm) (1.9 mm)<br>± 0.1 (3.93 mm) ± 0.1 maximum<br>maximum<br>NTC Type GE dimensions<br>**----- End of picture text -----**<br>


## **Data** 

- Standard resistance tolerance: ±10% @ 77°F (25°C) 

- Dissipation constant: 3.0 mW/K 

- Time constant: 7 seconds 

- Operating range: -58°F to 400°F (-50°C to 204°C 

**==> picture [234 x 26] intentionally omitted <==**

**----- Start of picture text -----**<br>
Ro@25° C  Material System Beta 25/85 Type Number<br>( W  )<br>**----- End of picture text -----**<br>


|250|GE5.5*|2983|AL03006-165.9-55-K|
|---|---|---|---|
|500|GE5.5*|2983|AL03006-331.8-55-K|
|1K|GE7.3|3499|AL03006-624-73-K|
|2K|GE7.3|3499|AL03006-1248-73-K|
|2786|GE10.1|4102|AL03006-1576-101-K|
|3K|GE7.6|3553|AL03006-1847-76-K|
|4K|GE7.6|3553|AL03006-2463-76-K|
|5K|GE7.6|3553|AL03006-3079-76-K|
|10K|GE9.7A|3992|AL03006-5818-97-K|
|20K|GE9.8|3974|AL03006-11.7K-98-K|
|30K|GE9.8|3974|AL03006-17.53K-98-K|
|50K|GE9.7B|3952|AL03006-29.1K-97-K|
|100K|GE9.7B|3952|AL03006-58.2K-97-K|
|200K|GE12.3|4365|AL03006-111.3K-123-K|
|500K|GE13.8|4567|AL03006-269.8K-138-K|
|1M|GE14.5|4661|AL03006-535K-145-K|
|5M|GE16.4|4848|AL03006-2.6M-164-K|



_*maximum operating temperature 302°F (150°C)_ 

**4** 

## Type MELF Specifications 

Glass encapsulated SMD thermistor 

## **Description** 

Hermetically sealed, glass encapsulated thermistor in SOD-80 SMD package. 

## **Options** 

**==> picture [237 x 163] intentionally omitted <==**

**----- Start of picture text -----**<br>
Tinned dumet contacts Ø 0.063 to 0.067 in<br>(2 places) Glass (1.6 to 1.7 mm)<br>0.016 to 0.022 in 0.016 to 0.022 in<br>(0.41 to 0.56 mm) (0.41 to 0.56 mm)<br>0.13 to 0.146 in<br>(3.3 to 3.71 mm)<br>NTC Type MELF dimensions<br>**----- End of picture text -----**<br>


- For ±5% @ 77°F (25°C), replace “K” with “J” 

- For ±3% @ 77°F (25°C), replace “K” with “H” 

- For ±2% @ 77°F (25°C), replace “K” with “G” 

- For reel taping add “R” suffix 

- Other resistances in the range 250 Ω to 5 MΩ available 

- Other tolerances, tolerances at other temperatures 

## **Data** 

- Standard resistance tolerance: ±10% @ 77°F (25°C) 

- Dissipation constant: 3.0 mW/°C 

- Time constant: 7 seconds 

- Operating range: -58°F to 400°F (-50°C to 204°C 

**==> picture [234 x 26] intentionally omitted <==**

**----- Start of picture text -----**<br>
Ro@25° C  Material System Beta 25/85 Type Number<br>( W  )<br>**----- End of picture text -----**<br>


|250|GE5.5*|2983|03006-165.9-55-K|
|---|---|---|---|
|500|GE5.5*|2983|03006-331.8-55-K|
|1K|GE7.3|3499|03006-624-73-K|
|2K|GE7.3|3499|03006-1248-73-K|
|2786|GE10.1|4102|03006-1576-101-K|
|3K|GE7.6|3553|03006-1847-76-K|
|4K|GE7.6|3553|03006-2463-76-K|
|5K|GE7.6|3553|03006-3079-76-K|
|10K|GE9.7A|3992|03006-5818-97-K|
|20K|GE9.8|3974|03006-11.7K-98-K|
|30K|GE9.8|3974|03006-17.53K-98-K|
|50K|GE9.7B|3952|03006-29.1K-97-K|
|100K|GE9.7B|3952|03006-58.2-97-K|
|200K|GE12.3|4365|03006-111.3K-123-K|
|500K|GE13.8|4567|03006-269.8K-138-K|
|1M|GE14.5|4661|03006-535K-145-K|
|5M|GE16.4|4848|03006-2.6M-164-K|



_*maximum operating temperature 302°F (150°C)_ 

**5** 

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**----- Start of picture text -----**<br>
Type TH 1.02 in (26 mm) 0.17 in (4.2 mm) 1.02 in (26 mm) Ø 0.08 in (2 mm)<br>minimum maximum minimum maximum<br>Specifications<br>Glass encapsulated radial lead thermistor<br>Part  Resistance  ß  Recommended  Maximum<br>Number (25  W  ) Constant  Maximum Permissible<br>(25/50) Operating  Current at  Ø 0.02in (0.5 mm) maximum<br>Current 77°F (25ºC)<br>at 77°F (25ºC)<br>TH220J33G 2.0 K 3375 K 0.22 mA 30.0 mA NTC Type TH dimensions<br>TH225J13G 2.545 K 3745 K 0.22 mA 30.0 mA<br>TH238J34G 3.896 K 3434 K 0.20 mA 26.5 mA<br>TH253J34G 5.369 K 3434 K 0.16 mA 24.0 mA • The tolerance of resistance is ±5% for standard device.<br>TH310J34G 10.74 K 3434 K 0.13 mA 20.0 mA • The tolerance of B constant is ±2% for standard device.<br>TH310J36G 10.0 K 3684 K 0.14 mA 20.0 mA The constant is determined by the equation:<br>B = 3853.9 In (R25/R50)<br>TH310J39G 10.0 K 3933 K 0.14 mA 20.0 mA<br>R25 and R50 represent the thermistor resistance<br>TH315J39G 15.0 K 3933 K 0.12 mA 17.0 mA<br>at 77°F and 122°F (25°C and 50°C) respectively.<br>TH320J39G 20.0 K 3952 K 0.10 mA 15.0 mA • Others: For non-standard devices, consult<br>TH349J39G 49.12 K 3952 K 0.06 mA 10.0 mA Thermometrics.<br>TH350J39G 50.0 K 3952 K 0.06 mA 10.0 mA<br>TH398J40G 98.63 K 4014 K 0.045 mA 5.0 mA<br>TH410J40G 100.0 K 4014 K 0.045 mA 5.0 mA<br>Dissipation Factor  Time Constant Operating   Rated Power<br>TH420J34G 200.0 K 3450 K 0.015 mA 3.5 mA  (in still air)  (in still air) Temperature Range at 77°F (25ºC)<br>TH423J41G 231.4 K 4176 K 0.015 mA 3.5 mA 2.0 (mW/ºC)  25 (seconds)  -40°F to 482°F  25 mW<br>(-40°C to 250ºC)<br>TH510J44G 1,000 K 4491 K 0.007 mA 1.5 mA<br>TH513J44G 1,388 K 4491 K 0.005 mA 1.0 mA<br>**----- End of picture text -----**<br>


**6** 

**7** 

## **Amphenol Advanced Sensors** 

www.amphenol-sensors.com 

© 2014 Amphenol Corporation. All Rights Reserved. Specifications are subject to change without notice. Other company names and product names used in this document are the registered trademarks or trademarks of their respective owners. 

**AAS-920-320C-03/2014**

Updated at June 8, 2026

Amphenol Advanced Sensors is a leading innovator in sensor technologies and measurement solutions, serving the highly regulated and demanding needs of the transportation, medical, and industrial markets. Through its renowned legacy brands—including Thermometrics for temperature sensing, NovaSensor for pressure, and Telaire for air quality—the company delivers a diverse portfolio of critical components designed to provide accurate environmental data for real-time decision-making. The core of this manufacturer's offering focuses heavily on highly reliable circuit protection and transducer components. Engineers will find an extensive selection of temperature sensing and compensation NTC thermistors, alongside a comprehensive range of high-performance pressure sensors and transducers. These precision-engineered devices are essential for ensuring thermal stability, accurate fluid measurement, and reliable operational feedback in complex commercial and industrial applications. Beyond these primary lines, the selection includes vital power management devices such as inrush current limiting (ICL) NTC thermistors and PTC thermistors engineered to safeguard sensitive electronics. The portfolio is further complemented by specialized temperature sensors, light sensors, and dataloggers, providing a robust, integrated suite of measurement and protection solutions for modern hardware design.

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