Thermistor Probes & Assemblies

Littelfuse Thermistor Probes and Assemblies offer various housings, including stainless steel, vinyl, plastic, and polyimide tubing. The Littelfuse portfolio features different types of probes and assemblies: straight/cylindrical, flanged, plastic, microprobes, laboratory-grade, surface temperature sensing, and threaded.

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Description Datasheet Availability Pricing (DKK) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
B Parameter
Resistance
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Mounting Style
Termination Style
Minimum Operating Temperature
Maximum Operating Temperature
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Length
Width
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Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 5% PROBE TO220
Datasheet
4.223In Stock
Min.: 1
Mult.: 1

TO 3892 K 10 kOhms 10 % PCB Mount Radial - 55 C + 150 C TO-220-2 0.595 in 0.4 in 0.165 in Tube
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 2.2K OHM .1% DEG C PROBE ASMB
Datasheet
1.797In Stock
Min.: 1
Mult.: 1

USP 3892 K 2.252 kOhms 0.1 C Off-Board Wire Lead - 55 C + 105 C 0.225 in 12.58 in 0.225 in 0.58 in Bulk

Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 2% LUG
Datasheet
55In Stock
Min.: 1
Mult.: 1

USUR 3892 K 1 kOhms 20 mW 2 % Ring Lug Wire Lead - 40 C + 125 C 0.28 in 0.615 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 2% LUG
Datasheet
6In Stock
50Expected 14/04/2026
Min.: 1
Mult.: 1
USUR 3892 K 30 kOhms 20 mW 2 % Ring Lug Wire Lead - 40 C + 125 C 0.28 in 0.615 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 2% LUG
Datasheet
47In Stock
Min.: 1
Mult.: 1

USUR 3892 K 20 kOhms 20 mW 2 % Ring Lug Wire Lead - 40 C + 125 C 0.28 in 6 in 0.28 in 0.615 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 5K OHM 2% LUG
Datasheet
2In Stock
Min.: 1
Mult.: 1

USUR 3892 K 5 kOhms 20 mW 2 % Ring Lug Wire Lead - 40 C + 125 C 0.28 in 6 in 0.28 in 0.615 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR
Datasheet
775In Stock
Min.: 1
Mult.: 1

USP 3892 K 10 kOhms 5 % Off-Board Wire Lead - 55 C + 125 C 0.25 in 3.625 in 0.25 in 0.375 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY
Datasheet
3.412In Stock
Min.: 1
Mult.: 1

USP 3892 K 10 kOhms 1 % Off-Board Wire Lead - 55 C + 125 C 0.1 in 6 in 0.1 in 0.215 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY
Datasheet
681In Stock
500Expected 15/06/2026
Min.: 1
Mult.: 1

USP 3892 K 10 kOhms 1 % Off-Board Wire Lead - 55 C + 105 C 0.164 in 50.75 in 0.164 in 0.787 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY
Datasheet
1.608In Stock
Min.: 1
Mult.: 1

USP 3892 K 10 kOhms 1 % Off-Board Wire Lead - 55 C + 150 C 0.145 in 6 in 0.281 in 0.62 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY
Datasheet
266In Stock
Min.: 1
Mult.: 1

USP 3892 K 10 kOhms 1 % Clip Mount Wire Lead - 55 C + 105 C 0.164 in 36.787 in 0.787 in 0.787 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE TO220
Datasheet
663In Stock
Min.: 1
Mult.: 1

TO 3892 K 10 kOhms 1 % PCB Mount Radial - 55 C + 150 C TO-220-2 0.595 in 0.4 in 0.165 in Tube
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY
Datasheet
1.556In Stock
Min.: 1
Mult.: 1

USP 3892 K 10 kOhms 1 % Off-Board Wire Lead - 55 C + 105 C 0.25 in 51.5 in 0.25 in 2 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC Thermistor Probe
Datasheet
244In Stock
Min.: 1
Mult.: 1

USP 3892 K 10 kOhms 1 % Off-Board Wire Lead - 55 C + 105 C 0.25 in 14.25 in 0.314 in 2.25 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY
Datasheet
338In Stock
Min.: 1
Mult.: 1

USP 3892 K 10 kOhms 1 % Off-Board Wire Lead - 55 C + 105 C 0.25 in 25.25 in 0.25 in 1.25 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR
Datasheet
126In Stock
150On Order
Min.: 1
Mult.: 1

USP 3892 K 10 kOhms 1 % Off-Board Wire Lead - 55 C + 125 C 0.02 in 12.15 in 0.02 in 0.15 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR
Datasheet
487In Stock
Min.: 1
Mult.: 1

USP 3892 K 10 kOhms 1 % Threaded Wire Lead - 55 C + 125 C 0.3125 in 3.25 in 0.3125 in 0.25 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY
Datasheet
907In Stock
Min.: 1
Mult.: 1

USP 3892 K 10 kOhms 1 % Off-Board Wire Lead - 55 C + 80 C 0.23 in 37.35 in 0.23 in 1.35 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR
Datasheet
55In Stock
125Expected 23/06/2026
Min.: 1
Mult.: 1

USP 3977 K 10 kOhms 1 % Off-Board Wire Lead - 55 C + 105 C 0.1772 in 9.1811 in 0.1772 in 1.1811 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR
Datasheet
126In Stock
500Expected 10/06/2026
Min.: 1
Mult.: 1

USP 3435 K 10 kOhms 1 % PCB Mount Radial - 30 C + 90 C 1.26 in 0.197 in 0.04 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 100K OHM 2% RING LUG ASMBLY
Datasheet
28In Stock
150Expected 10/07/2026
Min.: 1
Mult.: 1

USUR1000 3892 K 100 kOhms 20 mW 2 % Ring Lug Wire Lead - 40 C + 125 C 15.621 mm 7.112 mm Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 10% PROBE TO220
Datasheet
304In Stock
3.000On Order
Min.: 1
Mult.: 1

TO 3892 K 10 kOhms 5 % PCB Mount Radial - 55 C + 150 C TO-220-2 0.595 in 0.4 in 0.165 in Tube
Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR
Datasheet
597In Stock
Min.: 1
Mult.: 1

TO 3892 K 5 kOhms 5 % PCB Mount Radial - 55 C + 150 C TO-220-2 0.595 in 0.4 in 0.165 in Tube
Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 5% PROBE ASSEMBLY
Datasheet
36In Stock
Min.: 1
Mult.: 1

USP 3892 K 10 kOhms 5 % Off-Board Wire Lead - 55 C + 105 C 0.4375 in 6.56 in 0.4375 in 0.56 in Bulk
Littelfuse NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS
Datasheet
52In Stock
Min.: 1
Mult.: 1

USP 3892 K 10 kOhms 0.2 C Off-Board Wire Lead - 55 C + 150 C 0.125 in 26.5 in 0.125 in 2.5 in Bulk