NTC (Negative Temperature Coefficient) Thermistors

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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 (USD) 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 NTC THERMISTOR 4.7K OHM 10% SM472F1K Littelfuse 1,000: $0.99 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. SM472F1K Mouser Part No 576-SM472F1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 4.7K OHM 10% Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	$0.99 $0.907	Min.: 1,000 Mult.: 1,000	SM	3419 K	4.7 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 (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 1C MELF WM103J1A Littelfuse 2,500: $0.869 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. WM103J1A Mouser Part No 576-WM103J1A	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 1C MELF Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	$0.869	Min.: 2,500 Mult.: 2,500	WM	3892 K	10 kOhms		1 C	PCB Mount	SMD/SMT	- 55 C	+ 220 C	MiniMELF-2	0.06 in	0.135 in			Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 1C MELF WM104J1A Littelfuse 1: $1.95 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. WM104J1A Mouser Part No 576-WM104J1A	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 1C MELF Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	$1.95 $1.50 $1.26 $1.23 View $1.12 $1.11 $1.00 $0.971 $0.89	Min.: 1 Mult.: 1	WM	3892 K	100 kOhms		1 C	PCB Mount	SMD/SMT	- 55 C	+ 220 C	MiniMELF-2	0.06 in	0.135 in			Bulk
NTC (Negative Temperature Coefficient) Thermistors 10K OHM +/-10% SM103J1K Littelfuse 1: $1.34 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. SM103J1K Mouser Part No 803-SM103J1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM +/-10% Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	$1.34 $1.27 $1.20 $1.14 View $1.10 $0.991 $0.933 $0.885	Min.: 1 Mult.: 1	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	Bulk
NTC (Negative Temperature Coefficient) Thermistors 500 OHM +/-10% SM501B1K Littelfuse 500: $0.991 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. SM501B1K Mouser Part No 803-SM501B1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 500 OHM +/-10% Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	$0.991 $0.964 $0.907	Min.: 500 Mult.: 500	SM	2941 K	500 Ohms		10 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C		0.06 in	0.135 in	0.06 in	0.06 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 200K OHM 5% 0805 SMT KR204R0J Littelfuse 3,500: $0.469 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. KR204R0J Mouser Part No 576-KR204R0J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 200K OHM 5% 0805 SMT Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 14 Weeks	$0.469	Min.: 3,500 Mult.: 3,500	KR	4250 K	200 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 (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 10% MELF MM103E1K Littelfuse 1: $1.56 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. MM103E1K Mouser Part No 576-MM103E1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 10% MELF Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 14 Weeks	$1.56 $1.17 $0.933 $0.877 View $0.856 $0.719 $0.688 $0.629	Min.: 1 Mult.: 1	MM	3320 K	10 kOhms		10 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C	LL-31-2	0.053 in	0.075 in	0.053 in	0.049 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 3K OHM 10% MELF MM302F1K Littelfuse 1: $1.56 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. MM302F1K Mouser Part No 576-MM302F1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 3K OHM 10% MELF Learn More about Littelfuse drone subsystems	Datasheet	Non-Stocked Lead-Time 14 Weeks	$1.56 $1.17 $0.933 $0.877 View $0.856 $0.854 $0.804 $0.762	Min.: 1 Mult.: 1	MM	3419 K	3 kOhms		10 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C	MicroMELF-2	0.053 in	0.075 in			Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 5K OHM 10% MELF MM502F1K Littelfuse 1: $1.56 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. MM502F1K Mouser Part No 576-MM502F1K	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 5K OHM 10% MELF Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 14 Weeks	$1.56 $1.17 $0.933 $0.877 View $0.856 $0.739 $0.694 $0.629	Min.: 1 Mult.: 1	MM	3419 K	5 kOhms		10 %	PCB Mount	SMD/SMT	- 55 C	+ 220 C	MicroMELF-2	0.053 in	0.075 in			Bulk
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO KR503L0J Littelfuse Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. KR503L0J Mouser Part No 576-KR503L0J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks		Request a Quote	KR	4150 K	50 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 (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR RA104R0J Littelfuse Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. RA104R0J Mouser Part No 576-RA104R0J	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSOR Learn More about Littelfuse surface mount thermistors	Datasheet	Non-Stocked Lead-Time 15 Weeks		Request a Quote	RA	4250 K	100 kOhms	40 mW	5 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	0402 (1005 metric)		0.0394 in	0.0197 in	0.208 in

Surface-Mount Thermistors

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