NTC (Negative Temperature Coefficient) Thermistors

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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SEK) Filter the results in the table by unit price based on your quantity.	Qty.	Series	B Parameter	Resistance	Power Rating	Tolerance	Mounting Style	Termination Style	Minimum Operating Temperature	Maximum Operating Temperature	Package/Case	Diameter	Length	Width	Height	Packaging
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY USP10975 Littelfuse 1: 98,58 kr 3 210In Stock	Mfr. Part No. USP10975 Mouser Part No 803-USP10975	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	3 210In Stock	98,58 kr 90,45 kr 83,63 kr 81,33 kr View 78,69 kr 77,15 kr 74,95 kr	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
NTC (Negative Temperature Coefficient) Thermistors 2.2K OHM .1% DEG C PROBE ASMB USP11493 Littelfuse 1: 103,09 kr 1 745In Stock	Mfr. Part No. USP11493 Mouser Part No 803-USP11493	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 2.2K OHM .1% DEG C PROBE ASMB Learn More about Littelfuse thermistor probes assemblies	Datasheet	1 745In Stock	103,09 kr 93,52 kr 89,90 kr 85,50 kr View 77,26 kr 71,33 kr 71,22 kr 67,81 kr 66,71 kr	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
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 2% LUG USUR1000-203G-06 Littelfuse 1: 125,95 kr 28In Stock	Mfr. Part No. USUR1000-203G-06 Mouser Part No 576-USUR1000-203G-06	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 2% LUG Learn More about Littelfuse thermistor probes assemblies	Datasheet	28In Stock	125,95 kr 111,33 kr 99,79 kr 94,51 kr View 90,12 kr 84,84 kr 80,01 kr 78,69 kr	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
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 2% LUG USUR1000-303G-06 Littelfuse 1: 94,40 kr 1In Stock 50Expected 2026-11-11	Mfr. Part No. USUR1000-303G-06 Mouser Part No 576-USUR1000-303G-06	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 2% LUG Learn More about Littelfuse thermistor probes assemblies	Datasheet	1In Stock 50Expected 2026-11-11	94,40 kr	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
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY USP10973 Littelfuse 1: 43,08 kr 1 595In Stock 50Expected 2026-10-19	Mfr. Part No. USP10973 Mouser Part No 803-USP10973	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	1 595In Stock 50Expected 2026-10-19	43,08 kr 38,68 kr 36,93 kr 34,95 kr View 33,52 kr 32,42 kr 30,00 kr 29,89 kr	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
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY USP10976 Littelfuse 1: 48,25 kr 913In Stock 2 000Expected 2027-01-05	Mfr. Part No. USP10976 Mouser Part No 803-USP10976	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	913In Stock 2 000Expected 2027-01-05	48,25 kr 43,41 kr 40,77 kr 39,01 kr View 37,04 kr 35,83 kr 35,72 kr 33,63 kr 32,75 kr	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
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY USP7766 Littelfuse 1: 113,75 kr 185In Stock 350Expected 2026-11-30	Mfr. Part No. USP7766 Mouser Part No 803-USP7766	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	185In Stock 350Expected 2026-11-30	113,75 kr 104,30 kr 100,23 kr 95,50 kr View 91,00 kr 86,16 kr 86,05 kr 83,41 kr	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
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 5% PROBE TO220 TO103J2K Littelfuse 1: 13,08 kr 3 295In Stock	Mfr. Part No. TO103J2K Mouser Part No 803-TO103J2K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 5% PROBE TO220 Learn More about Littelfuse thermistor probes assemblies	Datasheet	3 295In Stock	13,08 kr 12,53 kr 11,76 kr 11,10 kr View 10,68 kr 9,45 kr	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
NTC (Negative Temperature Coefficient) Thermistors NTC Thermistor Probe USP10979 Littelfuse 1: 112,65 kr 178In Stock	Mfr. Part No. USP10979 Mouser Part No 803-USP10979	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC Thermistor Probe Learn More about Littelfuse thermistor probes assemblies	Datasheet	178In Stock	112,65 kr 102,32 kr 96,27 kr 93,63 kr View 90,34 kr 89,24 kr 83,30 kr 79,24 kr 78,91 kr	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
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR USP12837 Littelfuse 1: 191,89 kr 203In Stock	Mfr. Part No. USP12837 Mouser Part No 803-USP12837	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse thermistor probes assemblies	Datasheet	203In Stock	191,89 kr 175,07 kr 168,81 kr 158,48 kr View 154,74 kr 154,52 kr 151,44 kr 142,65 kr	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
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR USP12840 Littelfuse 1: 296,73 kr 260In Stock	Mfr. Part No. USP12840 Mouser Part No 803-USP12840	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse thermistor probes assemblies	Datasheet	260In Stock	296,73 kr 272,11 kr 262,99 kr 251,89 kr View 244,31 kr 233,21 kr 233,10 kr Quote	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
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY USP7765 Littelfuse 1: 73,63 kr 1 599In Stock 674On Order	Mfr. Part No. USP7765 Mouser Part No 803-USP7765	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	1 599In Stock 674On Order On Order Ship Dates Mfr. No: USP7765 Stock: 1 599 Can Dispatch Immediately On Order: 636 Expected 2026-11-11 38 TBD Factory Lead Time: 21 Weeks	73,63 kr 66,49 kr 63,85 kr 60,55 kr View 57,04 kr 56,38 kr 52,31 kr	Min.: 1 Mult.: 1	USP	3892 K	10 kOhms		1 %	Ring Lug	Wire Lead	- 55 C	+ 105 C		0.16 in	13.3 in	0.4 in	1.3 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY USP10982 Littelfuse 1: 27,15 kr 821In Stock	Mfr. Part No. USP10982 Mouser Part No 803-USP10982	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	821In Stock	27,15 kr 24,73 kr 22,53 kr 21,98 kr View 20,66 kr 17,69 kr 17,25 kr 16,92 kr	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
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR USP12836 Littelfuse 1: 152,21 kr 76In Stock 200Expected 2026-12-09	Mfr. Part No. USP12836 Mouser Part No 803-USP12836	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse thermistor probes assemblies	Datasheet	76In Stock 200Expected 2026-12-09	152,21 kr 138,47 kr 133,31 kr 127,26 kr View 123,09 kr 119,02 kr 118,91 kr 108,91 kr	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
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR USP16673 Littelfuse 1: 16,59 kr 229In Stock 500Expected 2026-11-16	Mfr. Part No. USP16673 Mouser Part No 803-USP16673	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR Learn More about Littelfuse thermistor probes assemblies	Datasheet	229In Stock 500Expected 2026-11-16	16,59 kr 15,83 kr 14,73 kr 13,85 kr View 13,41 kr 12,86 kr 12,09 kr	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
NTC (Negative Temperature Coefficient) Thermistors 100K OHM 2% RING LUG ASMBLY USUR1000-104G-06 Littelfuse 1: 125,95 kr 20In Stock	Mfr. Part No. USUR1000-104G-06 Mouser Part No 576-USUR1000-104G-06	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 100K OHM 2% RING LUG ASMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	20In Stock	125,95 kr 111,22 kr 99,68 kr 94,40 kr View 87,48 kr 81,33 kr 76,05 kr 73,74 kr	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
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE TO220 TO103J2F Littelfuse 1: 46,93 kr 109In Stock 1 500Expected 2026-11-02	Mfr. Part No. TO103J2F Mouser Part No 803-TO103J2F	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE TO220 Learn More about Littelfuse thermistor probes assemblies	Datasheet	109In Stock 1 500Expected 2026-11-02	46,93 kr 42,09 kr 40,22 kr 37,37 kr View 35,72 kr 34,62 kr 30,22 kr 29,34 kr	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
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR TO502J2J Littelfuse 1: 17,80 kr 539In Stock	Mfr. Part No. TO502J2J Mouser Part No 803-TO502J2J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse thermistor probes assemblies	Datasheet	539In Stock	17,80 kr 16,92 kr 15,94 kr 15,50 kr View 15,06 kr 13,52 kr 12,86 kr 11,87 kr	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
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY USP10972 Littelfuse 1: 59,68 kr 161In Stock 650On Order	Mfr. Part No. USP10972 Mouser Part No 803-USP10972	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	161In Stock 650On Order On Order Ship Dates Mfr. No: USP10972 Stock: 161 Can Dispatch Immediately On Order: 150 Expected 2026-11-11 500 Expected 2026-12-22 Factory Lead Time: 14 Weeks	59,68 kr 53,63 kr 51,54 kr 48,91 kr View 47,04 kr 45,28 kr 42,09 kr 40,88 kr	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
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 5% PROBE ASSEMBLY USP10997 Littelfuse 1: 147,38 kr 25In Stock	Mfr. Part No. USP10997 Mouser Part No 803-USP10997	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 5% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	25In Stock	147,38 kr 130,12 kr 116,60 kr 110,45 kr View 102,32 kr 95,17 kr 89,02 kr 83,41 kr	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
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS USP11491 Littelfuse 1: 158,48 kr 86In Stock	Mfr. Part No. USP11491 Mouser Part No 803-USP11491	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS Learn More about Littelfuse thermistor probes assemblies	Datasheet	86In Stock	158,48 kr 144,19 kr 138,91 kr 132,65 kr View 127,70 kr 121,00 kr 109,90 kr	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
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 10% PROBE TO220 TO103J2J Littelfuse 1: 18,79 kr 13 635On Order	Mfr. Part No. TO103J2J Mouser Part No 803-TO103J2J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 10% PROBE TO220 Learn More about Littelfuse thermistor probes assemblies	Datasheet	13 635On Order On Order Ship Dates Mfr. No: TO103J2J Stock: 0 On Order: 1 135 Expected 2026-12-08 6 500 Expected 2027-03-01 6 000 Expected 2027-03-11 Factory Lead Time: 20 Weeks	18,79 kr 17,91 kr 16,92 kr 15,94 kr View 14,62 kr 13,41 kr 12,53 kr 11,98 kr	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
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY USP10981 Littelfuse 1: 237,27 kr 550On Order	Mfr. Part No. USP10981 Mouser Part No 803-USP10981	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	550On Order On Order Ship Dates Mfr. No: USP10981 Stock: 0 On Order: 100 Expected 2026-12-01 100 Expected 2026-12-09 350 Expected 2027-01-04 Factory Lead Time: 13 Weeks	237,27 kr 218,81 kr 208,48 kr 202,00 kr View 195,73 kr 190,02 kr 178,37 kr	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
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 2% RING LUG ASMBLY USUR1000-103G-06 Littelfuse 1: 116,60 kr 700On Order	Mfr. Part No. USUR1000-103G-06 Mouser Part No 803-USUR1000-103G-06	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 2% RING LUG ASMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	700On Order On Order Ship Dates Mfr. No: USUR1000-103G-06 Stock: 0 On Order: 300 Expected 2027-02-01 150 Expected 2027-02-15 250 Expected 2027-02-17 Factory Lead Time: 16 Weeks	116,60 kr 104,95 kr 94,51 kr 93,31 kr View 77,59 kr 75,06 kr 69,90 kr 67,92 kr	Min.: 1 Mult.: 1	USUR1000	3892 K	10 kOhms	20 mW	2 %	Ring Lug	Wire Lead	- 40 C	+ 125 C		0.215 in	6 in	0.28 in	0.615 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY USP10978 Littelfuse 1: 243,76 kr 256On Order	Mfr. Part No. USP10978 Mouser Part No 803-USP10978	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	256On Order On Order Ship Dates Mfr. No: USP10978 Stock: 0 On Order: 6 Expected 2027-01-04 50 Expected 2027-02-15 50 Expected 2027-02-18 150 Expected 2027-03-09 Factory Lead Time: 23 Weeks	243,76 kr 223,10 kr 208,92 kr 191,45 kr View 189,36 kr 186,06 kr 185,95 kr 173,64 kr Quote	Min.: 1 Mult.: 1	USP	3892 K	10 kOhms		1 %	Off-Board	Wire Lead	- 55 C	+ 105 C		0.25 in	24 in	0.562 in	0.88 in	Bulk