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 (INR) 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: ₹996.48 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	₹996.48 ₹914.32 ₹845.53 ₹821.64 View ₹795.85 ₹779.61 ₹757.63	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: ₹1,042.34 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	₹1,042.34 ₹944.89 ₹908.59 ₹864.64 View ₹781.52 ₹721.33 ₹720.37 ₹685.98 ₹674.51	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: ₹1,273.55 33In 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	33In Stock	₹1,273.55 ₹1,125.46 ₹1,008.90 ₹955.40 View ₹911.45 ₹857.95 ₹809.22 ₹808.27 ₹794.89	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: ₹725.15 1In Stock 50Expected 28-10-2026	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 28-10-2026	₹725.15 ₹644.90 ₹579.93 ₹536.93 View ₹500.63 ₹469.10	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: ₹435.66 1,892In Stock 50Expected 19-10-2026	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	1,892In Stock 50Expected 19-10-2026	₹435.66 ₹390.76 ₹373.56 ₹353.50 View ₹339.17 ₹327.70 ₹302.86 ₹301.91	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: ₹488.21 1,134In Stock 2,000Expected 05-01-2027	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	1,134In Stock 2,000Expected 05-01-2027	₹488.21 ₹438.53 ₹420.38 ₹398.40 View ₹383.12 ₹368.78 ₹340.12 ₹330.57	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: ₹1,149.35 397In Stock 350Expected 30-11-2026	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	397In Stock 350Expected 30-11-2026	₹1,149.35 ₹1,053.81 ₹1,013.68 ₹964.95 View ₹920.05 ₹871.32 ₹870.37 ₹843.62	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: ₹131.85 3,505In 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	3,505In Stock	₹131.85 ₹126.11 ₹118.47 ₹112.74 View ₹107.96 ₹95.54 ₹92.77 ₹87.71	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: ₹1,138.84 188In 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	188In Stock	₹1,138.84 ₹1,033.74 ₹973.55 ₹946.80 View ₹913.36 ₹901.90 ₹841.71 ₹800.63 ₹797.76	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: ₹1,939.46 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	₹1,939.46 ₹1,769.40 ₹1,706.34 ₹1,602.21 View ₹1,563.99 ₹1,562.08 ₹1,530.55 ₹1,441.70	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: ₹3,465.24 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	₹3,465.24 ₹3,149.95 ₹2,888.17 ₹2,557.61 View ₹2,515.57 ₹2,324.49	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: ₹744.26 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 28-10-2026 38 TBD Factory Lead Time: 21 Weeks	₹744.26 ₹671.65 ₹644.90 ₹612.41 View ₹577.06 ₹570.37 ₹529.29 ₹528.34	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 2% RING LUG ASMBLY USUR1000-103G-06 Littelfuse 1: ₹1,041.39 198In Stock	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	198In Stock	₹1,041.39 ₹942.98 ₹906.67 ₹857.95 View ₹804.45 ₹786.29 ₹730.88 ₹714.64	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 USP10982 Littelfuse 1: ₹274.20 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	₹274.20 ₹250.31 ₹227.39 ₹221.65 View ₹209.23 ₹178.66 ₹174.84 ₹171.02	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: ₹1,538.19 76In Stock 200Expected 09-12-2026	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 09-12-2026	₹1,538.19 ₹1,399.66 ₹1,348.07 ₹1,285.97 View ₹1,243.93 ₹1,202.85 ₹1,201.89 ₹1,100.62	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: ₹168.15 389In Stock 500Expected 16-11-2026	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	389In Stock 500Expected 16-11-2026	₹168.15 ₹159.55 ₹149.04 ₹140.44 View ₹135.67 ₹129.93 ₹122.29 ₹120.38 ₹111.78	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: ₹1,272.59 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	₹1,272.59 ₹1,124.51 ₹1,007.95 ₹954.44 View ₹883.75 ₹822.60 ₹769.10 ₹745.21	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: ₹447.13 7In Stock 1,500On Order	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	7In Stock 1,500On Order On Order Ship Dates Mfr. No: TO103J2F Stock: 7 Can Dispatch Immediately On Order: 500 Expected 24-02-2027 1,000 Expected 23-03-2027 Factory Lead Time: 25 Weeks	₹447.13 ₹401.27 ₹384.07 ₹363.05 View ₹349.68 ₹336.30 ₹297.13 ₹288.53	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 10K OHM 10% PROBE TO220 TO103J2J Littelfuse 1: ₹190.12 635In Stock 11,000On 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	635In Stock 11,000On Order On Order Ship Dates Mfr. No: TO103J2J Stock: 635 Can Dispatch Immediately On Order: 5,000 Expected 18-11-2026 6,000 Expected 23-02-2027 Factory Lead Time: 20 Weeks	₹190.12 ₹181.53 ₹171.02 ₹161.46 View ₹148.09 ₹135.67 ₹127.07 ₹121.34	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 THERMISTOR, US SENSOR TO502J2J Littelfuse 1: ₹179.62 541In 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	541In Stock	₹179.62 ₹171.02 ₹161.46 ₹156.69 View ₹151.91 ₹136.62 ₹129.93 ₹120.38	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: ₹602.86 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 28-10-2026 500 Expected 22-12-2026 Factory Lead Time: 14 Weeks	₹602.86 ₹542.67 ₹520.69 ₹493.94 View ₹475.79 ₹457.64 ₹425.15 ₹412.73	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: ₹1,489.47 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	₹1,489.47 ₹1,315.59 ₹1,178.96 ₹1,116.86 View ₹1,033.74 ₹962.09 ₹899.99 ₹842.66	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: ₹1,602.21 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	₹1,602.21 ₹1,457.94 ₹1,404.44 ₹1,340.43 View ₹1,290.75 ₹1,222.91 ₹1,111.13	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 1% PROBE ASSEMBLY USP10981 Littelfuse 1: ₹2,398.05 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 01-12-2026 350 Expected 07-12-2026 100 Expected 09-12-2026 Factory Lead Time: 13 Weeks	₹2,398.05 ₹2,211.75 ₹2,107.61 ₹2,041.69 View ₹1,978.63 ₹1,920.35 ₹1,802.84	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 1% PROBE ASSEMBLY USP10978 Littelfuse 1: ₹2,463.98 116On 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	116On Order On Order Ship Dates Mfr. No: USP10978 Stock: 0 On Order: 16 Expected 04-01-2027 50 Expected 15-02-2027 50 Expected 18-02-2027 Factory Lead Time: 23 Weeks	₹2,463.98 ₹2,254.74 ₹2,111.43 ₹1,934.69 View ₹1,914.62 ₹1,881.18 ₹1,880.23 ₹1,755.07 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