AT & ET Thermistors

Semitec USA AT and ET Thermistors are available in a variety of resistance values, sizes, and termination styles. These high-precision thermal sensing devices have a maximum operating temperature of 90°C, 105°C, or 110°C. The AT series feature extremely small B-value tolerance and resistance while ensuring accurate temperature detection within ±0.3°C. They require no adjustment between the control circuit and the sensor when used as a temperature gauge. The ET thermistors are a smaller version of the AT series. The ET series is highly reliable and offers a fast response time. These thermistors are ideally suited for medical equipment and thermometers.

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Dami RoHS ECAD Model Series
B Parameter
Resistance
Rating ng Power
Tolerance
Isitilo ng Mounting
Istilo ng Termination
Minimum na Operating Temperature
Maximum na Operating Temperature
Diyametro
Haba
Lapad
Taas
Packaging
Semitec NTC Thermistors 10kohm 1% Shape1 30 AWG 75mm
Datasheet
8,167May Stock
Min.: 1
Mult.: 1

AT 3435 K 10 kOhms 1 % Off-Board Wire Lead - 50 C + 90 C 2.5 mm 75 mm 2.5 mm 8 mm Bulk
Semitec NTC Thermistors 100kohm 3%
Datasheet
200May Stock
Min.: 1
Mult.: 1

ET 4132 K 100 kOhms 3 % PCB Mount Radial - 40 C + 90 C 1.5 mm 87 mm 1.5 mm 4 mm Bulk
Semitec NTC Thermistors 20kohm 1%
Datasheet
4,126May Stock
Min.: 1
Mult.: 1

AT 4013 K 20 kOhms 10 mW 1 % PCB Mount Radial - 50 C + 110 C 17 mm 3.7 mm 2.4 mm Bulk
Semitec NTC Thermistors 41kohm 3%
Datasheet
200May Stock
Min.: 1
Mult.: 1

ET 41 kOhms 3 % PCB Mount Radial - 40 C + 100 C 1.6 mm 4 mm Bulk
Semitec NTC Thermistors 83kohm 3%
Datasheet
317May Stock
Min.: 1
Mult.: 1

ET 4013 K 83 kOhms 3 % PCB Mount Radial - 40 C + 100 C 1.6 mm 45 mm 1.6 mm 4 mm Bulk
Semitec NTC Thermistors 232kohm 3%
Datasheet
9May Stock
Min.: 1
Mult.: 1

ET 4274 K 232 kOhms 3.5 mW 3 % PCB Mount Radial - 40 C + 100 C 1.6 mm 45 mm 1.6 mm 4 mm Bulk
Semitec NTC Thermistors 10kohm 3%
Datasheet
174May Stock
Min.: 1
Mult.: 1

ET 3250 K 10 kOhms 3.5 mW 3 % Off-Board Wire Lead - 40 C + 90 C 1.6 mm 45 mm 1.6 mm 4 mm Bulk
Semitec NTC Thermistors 30kohm 3%
Datasheet
198May Stock
Min.: 1
Mult.: 1

ET 30 kOhms 3 % PCB Mount Radial - 40 C + 100 C 1.6 mm 4 mm Bulk
Semitec NTC Thermistors 10kohm 1%
Datasheet
117,770May Stock
106,800Inaasahan 8/14/2026
Min.: 1
Mult.: 1

AT 3435 K 10 kOhms 1 % PCB Mount Radial - 50 C + 110 C 17 mm 3.7 mm 2.4 mm Bulk
Semitec NTC Thermistors 10kohm 1% Shape 1 30 AWG 100mm
Datasheet
45,020May Stock
Min.: 1
Mult.: 1

AT 3435 K 10 kOhms 1 % Off-Board Wire Lead - 50 C + 90 C 2.5 mm 100 mm 2.5 mm 8 mm Bulk
Semitec NTC Thermistors 10kohm 1% Shape 1 30 AWG 50mm
Datasheet
53,326May Stock
Min.: 1
Mult.: 1

AT 3435 K 10 kOhms 1 % Off-Board Wire Lead - 50 C + 90 C 2.5 mm 50 mm 2.5 mm 8 mm Bulk
Semitec NTC Thermistors 10kohm 1%
Datasheet
2,376May Stock
6,800Inaasahan 7/17/2026
Min.: 1
Mult.: 1

AT 3435 K 10 kOhms 1 % Off-Board Wire Lead - 50 C + 105 C 600 mm 6 mm 5 mm Bulk
Semitec NTC Thermistors 1kohm 1%
Datasheet
84May Stock
200Inaasahan 9/4/2026
Min.: 1
Mult.: 1

AT 3100 K 1 kOhms 1 % PCB Mount Radial - 50 C + 90 C 17 mm 3.7 mm 2.4 mm Bulk
Semitec NTC Thermistors 10kohm 1% Shape 1 30 AWG 120mm
Datasheet
500May Stock
6,200Inoorder
Min.: 1
Mult.: 1

AT 3435 K 10 kOhms 1 % Off-Board Wire Lead - 50 C + 90 C 2.5 mm 120 mm 2.5 mm 8 mm Bulk


Semitec NTC Thermistors 10kohm 1%
Datasheet
1,154May Stock
5,000Inaasahan 10/2/2026
Min.: 1
Mult.: 1
: 2,500

3435 K 10 kOhms 1 % PCB Mount Radial - 50 C + 110 C 2.5 mm 30 mm 3.5 mm 2.4 mm Reel, Cut Tape
Semitec NTC Thermistors 10kohm 3%
Datasheet
230May Stock
Min.: 1
Mult.: 1

ET 3250 K 10 kOhms 3.5 mW 3 % Off-Board Wire Lead - 40 C + 90 C 1.5 mm 87 mm 1.5 mm 4 mm Bulk
Semitec NTC Thermistors 10kohm 2%
Datasheet
199May Stock
Min.: 1
Mult.: 1

ET 3435 K 10 kOhms 3.5 mW 2 % PCB Mount Wire Lead - 40 C + 90 C 1.6 mm 45 mm 1.6 mm 4 mm Bulk
Semitec NTC Thermistors 100kohm 1%
Datasheet
3,924May Stock
3,400Inaasahan 10/21/2026
Min.: 1
Mult.: 1

AT 4665 K 100 kOhms 10 mW 1 % PCB Mount Radial - 50 C + 110 C 17 mm 3.7 mm 2.4 mm Bulk
Semitec NTC Thermistors 4kohm 3%
Datasheet
590May Stock
Min.: 1
Mult.: 1

ET 3100 K 4 kOhms 3.5 mW 3 % PCB Mount Radial - 40 C + 90 C 1.5 mm 87 mm 1.5 mm 4 mm Bulk
Semitec NTC Thermistors 4kohm 3%
Datasheet
93May Stock
Min.: 1
Mult.: 1

ET 3100 K 4 kOhms 3.5 mW 3 % PCB Mount Radial - 40 C + 90 C 1.6 mm 45 mm 1.6 mm 4 mm Bulk
Semitec NTC Thermistors 5kohm 1%
Datasheet
1,369May Stock
Min.: 1
Mult.: 1

AT 3324 K 5 kOhms 10 mW 1 % PCB Mount Radial - 50 C + 110 C 17 mm 3.7 mm 2.4 mm Bulk
Semitec NTC Thermistors 50kohm 3%
Datasheet
398May Stock
Min.: 1
Mult.: 1

ET 4055 K 50 kOhms 3.5 mW 3 % PCB Mount Radial - 40 C + 100 C 1.5 mm 87 mm 1.5 mm 4 mm Bulk
Semitec NTC Thermistors 10kohm 1% Shape 1 30 AWG 150mm
Datasheet
13,752Inaasahan 8/14/2026
Min.: 1
Mult.: 1

AT 3435 K 10 kOhms 1 % Off-Board Wire Lead - 50 C + 90 C 2.5 mm 150 mm 2.5 mm 8 mm Bulk
Semitec NTC Thermistors 10kohm 1% Shape 1 30 AWG 175mm
Datasheet
16,181Inaasahan 7/17/2026
Min.: 1
Mult.: 1

AT 3435 K 10 kOhms 1 % Off-Board Wire Lead - 50 C + 90 C 2.5 mm 175 mm 2.5 mm 8 mm Bulk
Semitec NTC Thermistors 2kohm 1%
Datasheet
1,500Inaasahan 7/17/2026
Min.: 1
Mult.: 1

AT 3182 K 2 kOhms 10 mW 1 % PCB Mount Radial - 50 C + 90 C 17 mm 3.7 mm 2.4 mm Bulk