NTC Thermistors – Mouser Taiwan

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Surface-Mount Thermistors

Littelfuse Surface-Mount Thermistors offer a 0.7Ω to 500,000Ω resistance range and a maximum operating range of -55°C to +220°C. This Littelfuse portfolio includes end-banded chip thermistors, leadless top- and bottom-terminated chip thermistors, inrush current limiters (power thermistors), and more. These surface-mount modules are ideal for a wide variety of applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (TWD) 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 NTC THERMISTOR 100K OHM 0.5C MELF HM104J1A Littelfuse 1: NT$58.44 5,244In Stock	Mfr. Part # HM104J1A Mouser Part # 576-HM104J1A	Littelfuse	NTC Thermistors NTC THERMISTOR 100K OHM 0.5C MELF Learn More about Littelfuse surface mount thermistors	Datasheet	5,244In Stock	NT$58.44 NT$51.27 NT$45.17 NT$43.74 View NT$41.59 NT$38.00 NT$36.21 NT$34.63 NT$31.98	Min.: 1 Mult.: 1	HM	3892 K	100 kOhms		0.5 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C	MiniMELF-2	0.0603 in	0.135 in	0.0603 in	0.0603 in	Bulk
NTC Thermistors THERMISTOR, US SENSOR WM103J1B Littelfuse 1: NT$203.63 2,756In Stock	Mfr. Part # WM103J1B Mouser Part # 803-WM103J1B	Littelfuse	NTC Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse surface mount thermistors	Datasheet	2,756In Stock	NT$203.63 NT$181.04 NT$163.12 NT$151.29 View NT$144.83 NT$138.02 NT$137.66 NT$126.19 NT$122.25	Min.: 1 Mult.: 1	WM	3892 K	10 kOhms		1 C	PCB Mount	SMD/SMT	- 55 C	+ 220 C		0.06 in	0.135 in	0.06 in	0.06 in	Bulk
NTC Thermistors NTC THERMISTOR 2K OHM 10% MELF SM202F1K Littelfuse 1: NT$70.98 459In Stock	Mfr. Part # SM202F1K Mouser Part # 576-SM202F1K	Littelfuse	NTC Thermistors NTC THERMISTOR 2K OHM 10% MELF Learn More about Littelfuse surface mount thermistors	Datasheet	459In Stock	NT$70.98 NT$54.85 NT$45.89 NT$44.81 View NT$40.87 NT$35.53 NT$33.99 NT$32.19	Min.: 1 Mult.: 1	SM	3419 K	2 kOhms		10 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C	MiniMELF-2	0.06 in	0.135 in	0.06 in	0.06 in	Bulk
NTC Thermistors 1K OHM +/-10% SM102B1K Littelfuse 1: NT$57.72 691In Stock	Mfr. Part # SM102B1K Mouser Part # 803-SM102B1K	Littelfuse	NTC Thermistors 1K OHM +/-10% Learn More about Littelfuse surface mount thermistors	Datasheet	691In Stock	NT$57.72 NT$54.85 NT$45.89 NT$44.81 View NT$40.87 NT$36.57 NT$34.34 NT$31.73	Min.: 1 Mult.: 1	SM	2941 K	1 kOhms		10 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C		0.06 in	0.135 in	0.06 in	0.06 in	Bulk
NTC Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT KR502F0J Littelfuse 1: NT$26.53 3,475In Stock	Mfr. Part # KR502F0J Mouser Part # 576-KR502F0J	Littelfuse	NTC Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT Learn More about Littelfuse surface mount thermistors	Datasheet	3,475In Stock	NT$26.53 NT$25.13 NT$23.52 NT$22.41 View NT$21.40 NT$21.37 NT$19.18 NT$18.03 NT$15.45	Min.: 1 Mult.: 1	KR	3550 K	5 kOhms	300 mW	5 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	0805 (2012 metric)		0.0787 in	0.0492 in	0.05 in	Bulk
NTC Thermistors C THERMISTOR 10K OHM 5% 0603 SMT RB103J0J Littelfuse 1: NT$16.49 3,845In Stock	Mfr. Part # RB103J0J Mouser Part # 576-RB103J0J	Littelfuse	NTC Thermistors C THERMISTOR 10K OHM 5% 0603 SMT Learn More about Littelfuse surface mount thermistors	Datasheet	3,845In Stock	NT$16.49 NT$15.31 NT$14.20 NT$13.52 View NT$13.30 NT$12.08 NT$11.47 NT$10.36 NT$9.61	Min.: 1 Mult.: 1		3976 K	10 kOhms		5 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	0603 (1608 metric)		0.063 in	0.0315 in	0.0395 in	Bulk
NTC Thermistors THERMISTOR, U.S. SENSOR SM103J1F Littelfuse 1: NT$63.45 2,450In Stock 2,500Expected 10/5/2026	Mfr. Part # SM103J1F Mouser Part # 576-SM103J1F	Littelfuse	NTC Thermistors THERMISTOR, U.S. SENSOR Learn More about Littelfuse surface mount thermistors	Datasheet	2,450In Stock 2,500Expected 10/5/2026	NT$63.45 NT$60.59 NT$51.27 NT$50.19 View NT$45.53 NT$40.51 NT$35.85	Min.: 1 Mult.: 1		3892 K	10 kOhms		1 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C	MiniMELF-2	0.06 in	0.135 in	0.06 in	0.06 in	Bulk
NTC Thermistors NTC 10K OHM +/-1% MM103J1F Littelfuse 1: NT$41.23 4,992In Stock	Mfr. Part # MM103J1F Mouser Part # 803-MM103J1F	Littelfuse	NTC Thermistors NTC 10K OHM +/-1% Learn More about Littelfuse surface mount thermistors	Datasheet	4,992In Stock	NT$41.23 NT$39.44 NT$36.93 NT$35.10 View NT$31.73 NT$30.51 NT$29.15 NT$26.89	Min.: 1 Mult.: 1	MM	3892 K	10 kOhms		1 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C		0.053 in	0.075 in	0.053 in	0.049 in	Bulk
NTC Thermistors NTC THERMISTOR 1M OHM 10% MELF SM105R1K Littelfuse 1: NT$48.04 118In Stock	Mfr. Part # SM105R1K Mouser Part # 576-SM105R1K	Littelfuse	NTC Thermistors NTC THERMISTOR 1M OHM 10% MELF Learn More about Littelfuse surface mount thermistors	Datasheet	118In Stock	NT$48.04 NT$45.53 NT$43.02 NT$40.87 View NT$39.44 NT$35.53 NT$33.63 NT$32.80	Min.: 1 Mult.: 1	SM	4140 K	1 mOhms		10 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C	MiniMELF-2	0.06 in	0.135 in	0.06 in	0.06 in	Bulk
NTC Thermistors THERMISTOR, U.S. SENSOR SM303J1K Littelfuse 1: NT$48.04 349In Stock	Mfr. Part # SM303J1K Mouser Part # 576-SM303J1K	Littelfuse	NTC Thermistors THERMISTOR, U.S. SENSOR Learn More about Littelfuse surface mount thermistors	Datasheet	349In Stock	NT$48.04 NT$45.53 NT$43.02 NT$40.87 View NT$39.44 NT$35.53 NT$33.99 NT$31.73	Min.: 1 Mult.: 1	SM	3892 K	30 kOhms		10 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C	MiniMELF-2	0.06 in	0.135 in	0.06 in	0.06 in
NTC Thermistors NTC 20K OHM +/-1% MM203J1F Littelfuse 1: NT$41.23 55In Stock	Mfr. Part # MM203J1F Mouser Part # 803-MM203J1F	Littelfuse	NTC Thermistors NTC 20K OHM +/-1% Learn More about Littelfuse surface mount thermistors	Datasheet	55In Stock	NT$41.23 NT$39.44 NT$36.93 NT$35.10 View NT$31.73 NT$29.83 NT$28.61 NT$26.89	Min.: 1 Mult.: 1	MM	3892 K	20 kOhms		1 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C	MicroMELF-2	0.053 in	0.075 in			Bulk
NTC Thermistors NTC 10K OHM +/-10% SM103J1K-TR Littelfuse 1: NT$18.28 2,578In Stock	Mfr. Part # SM103J1K-TR Mouser Part # 803-SM103J1K-TR	Littelfuse	NTC Thermistors NTC 10K OHM +/-10% Learn More about Littelfuse industrial portfolio	Datasheet	2,578In Stock	Cut Tape NT$18.28 NT$17.24 NT$16.13 NT$15.31 View Reel NT$10.83 NT$14.59 NT$13.16 NT$12.55 NT$10.83 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SM	3892 K	10 kOhms		10 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C		0.06 in	0.135 in	0.06 in	0.06 in	Reel, Cut Tape, MouseReel
NTC Thermistors THERMISTOR, U.S. SENSOR SM502F1K Littelfuse 1: NT$48.04 103In Stock	Mfr. Part # SM502F1K Mouser Part # 803-SM502F1K	Littelfuse	NTC Thermistors THERMISTOR, U.S. SENSOR Learn More about Littelfuse surface mount thermistors	Datasheet	103In Stock	NT$48.04 NT$45.53 NT$43.02 NT$40.87 View NT$39.44 NT$35.53 NT$33.99 NT$31.73	Min.: 1 Mult.: 1	SM	3419 K	5 kOhms		10 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C		0.06 in	0.135 in	0.06 in	0.06 in	Bulk
NTC Thermistors NTC THRM CHIP 3750 10K 5% TR KR103G0J-TR Littelfuse 1: NT$16.13 3,219In Stock	Mfr. Part # KR103G0J-TR Mouser Part # 576-KR103G0J-TR	Littelfuse	NTC Thermistors NTC THRM CHIP 3750 10K 5% TR Learn More about Littelfuse surface mount thermistors	Datasheet	3,219In Stock	Cut Tape NT$16.13 NT$15.16 NT$14.12 NT$13.44 View Reel NT$10.04 NT$12.80 NT$11.51 NT$10.90 NT$10.04 MouseReel Available	Min.: 1 Mult.: 1 : 3,500															Reel, Cut Tape, MouseReel
NTC Thermistors THERMISTOR US SENSOR BC103J1K Littelfuse 1: NT$86.76 172In Stock	Mfr. Part # BC103J1K Mouser Part # 803-BC103J1K	Littelfuse	NTC Thermistors THERMISTOR US SENSOR Learn More about Littelfuse surface mount thermistors	Datasheet	172In Stock	NT$86.76 NT$82.81 NT$78.15 NT$74.93 View NT$72.06 NT$64.89 NT$63.45 NT$59.15	Min.: 1 Mult.: 1	BC	3892 K	10 kOhms		10 %	PCB Mount	SMD/SMT	- 55 C	+ 150 C			0.04 in	0.04 in	0.015 in	Bulk
NTC Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT RB103E0J Littelfuse 1: NT$24.74 240Expected 12/7/2026	Mfr. Part # RB103E0J Mouser Part # 576-RB103E0J	Littelfuse	NTC Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT Learn More about Littelfuse rb thermistors	Datasheet	240Expected 12/7/2026	NT$24.74 NT$18.79 NT$16.17 NT$15.59 View NT$13.30 NT$12.73 NT$11.54 NT$11.01 NT$9.61	Min.: 1 Mult.: 1	RB	3435 K	10 kOhms	150 mW	5 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	0603 (1608 metric)		0.063 in	0.0315 in	0.0395 in	Bulk
NTC Thermistors NTC 100K OHM +/-1% MM104J1F Littelfuse 1: NT$41.23 1,010On Order	Mfr. Part # MM104J1F Mouser Part # 803-MM104J1F	Littelfuse	NTC Thermistors NTC 100K OHM +/-1% Learn More about Littelfuse surface mount thermistors	Datasheet	1,010On Order On Order Ship Dates Mfr. #: MM104J1F Stock: 0 On Order: 1,000 Expected 10/8/2026 10 Expected 10/21/2026 Factory Lead-Time: 12 Weeks	NT$41.23 NT$39.44 NT$36.93 NT$35.10 View NT$33.59 NT$30.51 NT$29.15 NT$26.89	Min.: 1 Mult.: 1	MM	3892 K	100 kOhms		1 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C		0.053 in	0.075 in	0.053 in	0.049 in	Bulk
NTC Thermistors THERMISTOR, US SENSO KR104R0J Littelfuse 1: NT$41.59 3,493Expected 10/5/2026	Mfr. Part # KR104R0J Mouser Part # 576-KR104R0J	Littelfuse	NTC Thermistors THERMISTOR, US SENSO Learn More about Littelfuse surface mount thermistors	Datasheet	3,493Expected 10/5/2026	NT$41.59 NT$31.08 NT$24.84 NT$23.37 View NT$22.80 NT$19.18 NT$18.03 NT$16.53	Min.: 1 Mult.: 1	KR	4250 K	100 kOhms	300 mW	5 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	0805 (2012 metric)		0.0787 in	0.0492 in	0.05 in
NTC Thermistors NTC THERMISTOR 1K OHM 5% 1206 SMT LR102D0J Littelfuse 1: NT$62.38 250Expected 1/27/2027	Mfr. Part # LR102D0J Mouser Part # 576-LR102D0J	Littelfuse	NTC Thermistors NTC THERMISTOR 1K OHM 5% 1206 SMT Learn More about Littelfuse surface mount thermistors	Datasheet	250Expected 1/27/2027	NT$62.38 NT$46.61 NT$37.28 NT$35.06 View NT$34.20 NT$34.17 NT$28.72 NT$26.46 NT$24.38	Min.: 1 Mult.: 1	LR	3250 K	1 kOhms	400 mW	5 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	1206 (3216 metric)		0.126 in	0.063 in	0.05 in	Bulk
NTC Thermistors NTC THERMISTOR 10K O HM 0.5C MELF HM103J1A Littelfuse 1: NT$72.42 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # HM103J1A Mouser Part # 576-HM103J1A	Littelfuse	NTC Thermistors NTC THERMISTOR 10K O HM 0.5C MELF Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	NT$72.42 NT$55.93 NT$46.61 NT$45.89 View NT$41.59 NT$36.57 NT$34.67 NT$31.98	Min.: 1 Mult.: 1	HM	3892 K	10 kOhms		0.5 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C	MiniMELF-2	0.0603 in	0.135 in			Bulk
NTC Thermistors NTC THERMISTOR 10K OHM 10% MELF MM103J1K Littelfuse 1: NT$34.42 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # MM103J1K Mouser Part # 576-MM103J1K	Littelfuse	NTC Thermistors NTC THERMISTOR 10K OHM 10% MELF Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	NT$34.42 NT$32.66 NT$30.62 NT$29.18 View NT$27.93 NT$25.31 NT$24.34 NT$22.41	Min.: 1 Mult.: 1	MM	3892 K	10 kOhms		10 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C	MicroMELF-2	0.053 in	0.075 in	0.053 in	0.049 in	Bulk
NTC Thermistors THERMISTOR RA103J0Q-TR Littelfuse 1: NT$18.64 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # RA103J0Q-TR Mouser Part # 576-RA103J0Q-TR	Littelfuse	NTC Thermistors THERMISTOR Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape NT$18.64 NT$14.23 NT$12.26 NT$10.11 Reel NT$7.21 View NT$8.89 NT$8.53 NT$7.74 NT$7.17	Min.: 1 Mult.: 1 : 10,000	RA	3900 K	10 kOhms		1 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C			0.0394 in	0.0197 in	0.028 in	Reel, Cut Tape
NTC Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT RB103K0J Littelfuse 4,000: NT$9.72 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # RB103K0J Mouser Part # 576-RB103K0J	Littelfuse	NTC Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT Learn More about Littelfuse rb thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	NT$9.72	Min.: 4,000 Mult.: 4,000	RB	4000 K	10 kOhms	150 mW	5 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	0603 (1608 metric)		0.063 in	0.0315 in	0.0395 in	Bulk
NTC Thermistors NTC THERMISTOR SB102F1K Littelfuse 1: NT$65.61 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # SB102F1K Mouser Part # 576-SB102F1K	Littelfuse	NTC Thermistors NTC THERMISTOR Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	NT$65.61 NT$50.55 NT$42.30 NT$41.23 View NT$37.64 NT$33.20 NT$32.34 NT$29.93	Min.: 1 Mult.: 1	SB	3419 K	1 kOhms		10 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C	MELF-2	0.096 in	0.135 in	0.06 in	0.096 in	Bulk
NTC Thermistors CUSTOM TEMPERATURE SENSOR SM104J1F Littelfuse 1: NT$79.59 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # SM104J1F Mouser Part # 576-SM104J1F	Littelfuse	NTC Thermistors CUSTOM TEMPERATURE SENSOR Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	NT$79.59 NT$61.30 NT$51.27 NT$50.19 View NT$45.53 NT$42.30 NT$39.79 NT$39.08 NT$35.85	Min.: 1 Mult.: 1		3892 K	100 kOhms		1 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C	MiniMELF-2	0.06 in	0.135 in

Surface-Mount Thermistors

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