NTC Thermistors – Mouser Peru

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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 (PEN) 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 Thermistors 10K OHM 1% PROBE ASSEMBLY USP10975 Littelfuse 1: S/36.59 3,210In Stock	Mfr. Part # USP10975 Mouser Part # 803-USP10975	Littelfuse	NTC Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	3,210In Stock	S/36.59 S/34.22 S/32.70 S/32.04 View S/31.76 S/30.87	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 Thermistors 2.2K OHM .1% DEG C PROBE ASMB USP11493 Littelfuse 1: S/42.47 1,745In Stock	Mfr. Part # USP11493 Mouser Part # 803-USP11493	Littelfuse	NTC Thermistors 2.2K OHM .1% DEG C PROBE ASMB Learn More about Littelfuse thermistor probes assemblies	Datasheet	1,745In Stock	S/42.47 S/38.50 S/37.02 S/35.23 View S/30.83 S/27.95 S/27.91 S/26.86 S/26.59	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 Thermistors NTC THERMISTOR 20K OHM 2% LUG USUR1000-203G-06 Littelfuse 1: S/51.89 28In Stock	Mfr. Part # USUR1000-203G-06 Mouser Part # 576-USUR1000-203G-06	Littelfuse	NTC Thermistors NTC THERMISTOR 20K OHM 2% LUG Learn More about Littelfuse thermistor probes assemblies	Datasheet	28In Stock	S/51.89 S/45.85 S/41.10 S/38.93 View S/37.13 S/34.95 S/32.97 S/32.93 S/32.39	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 Thermistors NTC THERMISTOR 30K OHM 2% LUG USUR1000-303G-06 Littelfuse 1: S/29.54 1In Stock 50Expected 10/28/2026	Mfr. Part # USUR1000-303G-06 Mouser Part # 576-USUR1000-303G-06	Littelfuse	NTC Thermistors NTC THERMISTOR 30K OHM 2% LUG Learn More about Littelfuse thermistor probes assemblies	Datasheet	1In Stock 50Expected 10/28/2026	S/29.54 S/26.27 S/23.63 S/21.88 View S/20.40 S/19.11	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 Thermistors 10K OHM 1% PROBE ASSEMBLY USP10973 Littelfuse 1: S/17.75 1,697In Stock 50Expected 10/19/2026	Mfr. Part # USP10973 Mouser Part # 803-USP10973	Littelfuse	NTC Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	1,697In Stock 50Expected 10/19/2026	S/17.75 S/15.92 S/15.22 S/14.40 View S/13.82 S/13.35 S/12.34 S/12.30	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 Thermistors 10K OHM 1% PROBE ASSEMBLY USP10976 Littelfuse 1: S/19.89 918In Stock 2,000Expected 1/5/2027	Mfr. Part # USP10976 Mouser Part # 803-USP10976	Littelfuse	NTC Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	918In Stock 2,000Expected 1/5/2027	S/19.89 S/17.87 S/17.13 S/16.23 View S/15.61 S/15.03 S/13.86 S/13.47	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 Thermistors 10K OHM 1% PROBE ASSEMBLY USP7766 Littelfuse 1: S/46.83 397In Stock 350Expected 11/30/2026	Mfr. Part # USP7766 Mouser Part # 803-USP7766	Littelfuse	NTC Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	397In Stock 350Expected 11/30/2026	S/46.83 S/42.93 S/41.30 S/39.31 View S/37.48 S/35.50 S/35.46 S/34.37	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 Thermistors 10K OHM 5% PROBE TO220 TO103J2K Littelfuse 1: S/5.37 3,295In Stock	Mfr. Part # TO103J2K Mouser Part # 803-TO103J2K	Littelfuse	NTC Thermistors 10K OHM 5% PROBE TO220 Learn More about Littelfuse thermistor probes assemblies	Datasheet	3,295In Stock	S/5.37 S/5.14 S/4.83 S/4.59 View S/4.40 S/3.89 S/3.78 S/3.57	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 Thermistors NTC Thermistor Probe USP10979 Littelfuse 1: S/46.40 178In Stock	Mfr. Part # USP10979 Mouser Part # 803-USP10979	Littelfuse	NTC Thermistors NTC Thermistor Probe Learn More about Littelfuse thermistor probes assemblies	Datasheet	178In Stock	S/46.40 S/42.12 S/39.66 S/38.57 View S/37.21 S/36.75 S/34.29 S/32.62 S/32.50	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 Thermistors THERMISTOR, US SENSOR USP12837 Littelfuse 1: S/79.02 203In Stock	Mfr. Part # USP12837 Mouser Part # 803-USP12837	Littelfuse	NTC Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse thermistor probes assemblies	Datasheet	203In Stock	S/79.02 S/72.09 S/69.52 S/65.28 View S/63.72 S/63.64 S/62.36 S/58.74	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 Thermistors THERMISTOR, US SENSOR USP12840 Littelfuse 1: S/122.19 260In Stock	Mfr. Part # USP12840 Mouser Part # 803-USP12840	Littelfuse	NTC Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse thermistor probes assemblies	Datasheet	260In Stock	S/122.19 S/112.07 S/108.29 S/103.74 View S/100.62 S/96.07 S/95.99 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 Thermistors 10K OHM 1% PROBE ASSEMBLY USP7765 Littelfuse 1: S/30.32 1,599In Stock 674On Order	Mfr. Part # USP7765 Mouser Part # 803-USP7765	Littelfuse	NTC Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	1,599In Stock 674On Order On Order Ship Dates Mfr. #: USP7765 Stock: 1,599 Can Ship Immediately On Order: 636 Expected 10/28/2026 38 TBD Factory Lead-Time: 21 Weeks	S/30.32 S/27.36 S/26.27 S/24.95 View S/23.51 S/23.24 S/21.56 S/21.53	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 Thermistors 10K OHM 1% PROBE ASSEMBLY USP10982 Littelfuse 1: S/11.17 821In Stock	Mfr. Part # USP10982 Mouser Part # 803-USP10982	Littelfuse	NTC Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	821In Stock	S/11.17 S/10.20 S/9.26 S/9.03 View S/8.52 S/7.28 S/7.12 S/6.97	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 Thermistors THERMISTOR, US SENSOR USP12836 Littelfuse 1: S/62.67 76In Stock 200Expected 12/9/2026	Mfr. Part # USP12836 Mouser Part # 803-USP12836	Littelfuse	NTC Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse thermistor probes assemblies	Datasheet	76In Stock 200Expected 12/9/2026	S/62.67 S/57.03 S/54.92 S/52.39 View S/50.68 S/49.01 S/48.97 S/44.84	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 Thermistors NTC THERMISTOR USP16673 Littelfuse 1: S/6.85 389In Stock 500Expected 11/16/2026	Mfr. Part # USP16673 Mouser Part # 803-USP16673	Littelfuse	NTC Thermistors NTC THERMISTOR Learn More about Littelfuse thermistor probes assemblies	Datasheet	389In Stock 500Expected 11/16/2026	S/6.85 S/6.50 S/6.07 S/5.72 View S/5.53 S/5.29 S/4.98 S/4.90 S/4.55	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 Thermistors 100K OHM 2% RING LUG ASMBLY USUR1000-104G-06 Littelfuse 1: S/51.85 20In Stock	Mfr. Part # USUR1000-104G-06 Mouser Part # 576-USUR1000-104G-06	Littelfuse	NTC Thermistors 100K OHM 2% RING LUG ASMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	20In Stock	S/51.85 S/45.81 S/41.07 S/38.89 View S/36.01 S/33.51 S/31.33 S/30.36	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 Thermistors 10K OHM 1% PROBE TO220 TO103J2F Littelfuse 1: S/19.31 52In Stock 1,500On Order	Mfr. Part # TO103J2F Mouser Part # 803-TO103J2F	Littelfuse	NTC Thermistors 10K OHM 1% PROBE TO220 Learn More about Littelfuse thermistor probes assemblies	Datasheet	52In Stock 1,500On Order On Order Ship Dates Mfr. #: TO103J2F Stock: 52 Can Ship Immediately On Order: 500 Expected 2/24/2027 1,000 Expected 3/23/2027 Factory Lead-Time: 25 Weeks	S/19.31 S/17.32 S/16.58 S/15.38 View S/14.71 S/14.25 S/12.46 S/12.07	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 Thermistors 10K OHM 10% PROBE TO220 TO103J2J Littelfuse 1: S/7.75 7,635On Order	Mfr. Part # TO103J2J Mouser Part # 803-TO103J2J	Littelfuse	NTC Thermistors 10K OHM 10% PROBE TO220 Learn More about Littelfuse thermistor probes assemblies	Datasheet	7,635On Order On Order Ship Dates Mfr. #: TO103J2J Stock: 0 On Order: 1,635 Expected 11/18/2026 6,000 Expected 2/23/2027 Factory Lead-Time: 20 Weeks	S/7.75 S/7.40 S/6.97 S/6.58 View S/6.03 S/5.53 S/5.18 S/4.94	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 Thermistors THERMISTOR, US SENSOR TO502J2J Littelfuse 1: S/7.32 541In Stock	Mfr. Part # TO502J2J Mouser Part # 803-TO502J2J	Littelfuse	NTC Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse thermistor probes assemblies	Datasheet	541In Stock	S/7.32 S/6.97 S/6.58 S/6.38 View S/6.19 S/5.57 S/5.29 S/4.90	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 Thermistors 10K OHM 1% PROBE ASSEMBLY USP10972 Littelfuse 1: S/24.56 161In Stock 650On Order	Mfr. Part # USP10972 Mouser Part # 803-USP10972	Littelfuse	NTC Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	161In Stock 650On Order On Order Ship Dates Mfr. #: USP10972 Stock: 161 Can Ship Immediately On Order: 150 Expected 10/28/2026 500 Expected 12/22/2026 Factory Lead-Time: 14 Weeks	S/24.56 S/22.11 S/21.21 S/20.12 View S/19.38 S/18.65 S/17.32 S/16.82	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 Thermistors 10K OHM 5% PROBE ASSEMBLY USP10997 Littelfuse 1: S/60.68 25In Stock	Mfr. Part # USP10997 Mouser Part # 803-USP10997	Littelfuse	NTC Thermistors 10K OHM 5% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	25In Stock	S/60.68 S/53.60 S/48.03 S/45.50 View S/42.12 S/39.20 S/36.67 S/34.33	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 Thermistors THERMISTOR, U.S. SENS USP11491 Littelfuse 1: S/65.28 86In Stock	Mfr. Part # USP11491 Mouser Part # 803-USP11491	Littelfuse	NTC Thermistors THERMISTOR, U.S. SENS Learn More about Littelfuse thermistor probes assemblies	Datasheet	86In Stock	S/65.28 S/59.40 S/57.22 S/54.61 View S/52.59 S/49.82 S/45.27	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 Thermistors 10K OHM 2% RING LUG ASMBLY USUR1000-103G-06 Littelfuse 1: S/48.03 Lead-Time 16 Weeks	Mfr. Part # USUR1000-103G-06 Mouser Part # 803-USUR1000-103G-06	Littelfuse	NTC Thermistors 10K OHM 2% RING LUG ASMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	Lead-Time 16 Weeks	S/48.03 S/43.25 S/38.93 S/38.42 View S/31.96 S/30.91 S/28.77 S/27.99	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 Thermistors 10K OHM 1% PROBE ASSEMBLY USP10981 Littelfuse 1: S/97.70 550On Order	Mfr. Part # USP10981 Mouser Part # 803-USP10981	Littelfuse	NTC Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	550On Order On Order Ship Dates Mfr. #: USP10981 Stock: 0 On Order: 100 Expected 12/1/2026 350 Expected 12/7/2026 100 Expected 12/9/2026 Factory Lead-Time: 13 Weeks	S/97.70 S/90.11 S/85.87 S/83.18 View S/80.61 S/78.24 S/73.45	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 Thermistors 10K OHM 1% PROBE ASSEMBLY USP10978 Littelfuse 1: S/100.39 266On Order	Mfr. Part # USP10978 Mouser Part # 803-USP10978	Littelfuse	NTC Thermistors 10K OHM 1% PROBE ASSEMBLY Learn More about Littelfuse thermistor probes assemblies	Datasheet	266On Order On Order Ship Dates Mfr. #: USP10978 Stock: 0 On Order: 16 Expected 1/4/2027 50 Expected 2/15/2027 50 Expected 2/18/2027 150 Expected 3/15/2027 Factory Lead-Time: 23 Weeks	S/100.39 S/91.86 S/86.02 S/78.82 View S/78.01 S/76.64 S/76.60 S/71.51 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