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. The Littelfuse Surface Mount Thermistors portfolio includes surface mount end-banded chip thermistors, leadless top/bottom terminated chip thermistors, inrush current limiters (power thermistors), and more.

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Dami RoHS ECAD Model Series
B Parameter
Resistance
Rating ng Power
Tolerance
Isitilo ng Mounting
Istilo ng Termination
Minimum na Operating Temperature
Maximum na Operating Temperature
Package / Case
Diyametro
Haba
Lapad
Taas
Packaging
Littelfuse NTC Thermistors NTC THERMISTOR 100K OHM 0.5C MELF
Datasheet
5,446May Stock
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
Littelfuse NTC Thermistors THERMISTOR, US SENSO
Datasheet
3,672May Stock
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
Littelfuse NTC Thermistors NTC THERMISTOR 2K OHM 10% MELF
Datasheet
459May Stock
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
Littelfuse NTC Thermistors NTC THERMISTOR
Datasheet
7May Stock
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
Littelfuse NTC Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT
Datasheet
332May Stock
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
Littelfuse NTC Thermistors 1K OHM +/-10%
Datasheet
691May Stock
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
Littelfuse NTC Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT
Datasheet
2,070May Stock
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
Littelfuse NTC Thermistors NTC 10K OHM +/-1%
Datasheet
10,848May Stock
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
Littelfuse NTC Thermistors NTC THERMISTOR 1M OHM 10% MELF
Datasheet
118May Stock
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
Littelfuse NTC Thermistors THERMISTOR, U.S. SENSOR
Datasheet
349May Stock
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
Littelfuse NTC Thermistors NTC 20K OHM +/-1%
Datasheet
255May Stock
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
Littelfuse NTC Thermistors 10K OHM +/-10%
Datasheet
557May Stock
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
Littelfuse NTC Thermistors NTC 10K OHM +/-10%
Datasheet
3,610May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 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
Littelfuse NTC Thermistors THERMISTOR, U.S. SENSOR
Datasheet
258May Stock
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
Littelfuse NTC Thermistors THERMISTOR US SENSOR
Datasheet
222May Stock
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 Tray
Littelfuse NTC Thermistors THERMISTOR, U.S. SENSOR
Datasheet
2,309Inaasahan 5/6/2026
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
Littelfuse NTC Thermistors THERMISTOR, US SENSOR
Datasheet
Lead-Time para sa Hindi Naka-stock 12 (na) Linggo

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
Littelfuse NTC Thermistors NTC 100K OHM +/-1%
Datasheet
1,000Inaasahan 2/18/2026
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
Littelfuse NTC Thermistors C THERMISTOR 10K OHM 5% 0603 SMT
Datasheet
489Inaasahan 4/27/2026
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
Littelfuse NTC Thermistors NTC THERMISTOR 10K O HM 0.5C MELF
Datasheet
Lead-Time para sa Hindi Naka-stock 12 (na) Linggo
Min.: 2,500
Mult.: 2,500

HM 3892 K 10 kOhms 0.5 % PCB Mount SMD/SMT - 55 C + 220 C MiniMELF-2 0.0603 in 0.135 in Bulk
Littelfuse NTC Thermistors NTC THERMISTOR 10K OHM 10% MELF
Datasheet
Lead-Time para sa Hindi Naka-stock 12 (na) Linggo
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
Littelfuse NTC Thermistors THERMISTOR
Datasheet
Lead-Time para sa Hindi Naka-stock 12 (na) Linggo
Min.: 1
Mult.: 1
Reel: 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
Littelfuse NTC Thermistors NTC THERMISTOR 10K OHM 5% 0603 SMT
Datasheet
Lead-Time para sa Hindi Naka-stock 12 (na) Linggo
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
Littelfuse NTC Thermistors CUSTOM TEMPERATURE SENSOR
Datasheet
Lead-Time para sa Hindi Naka-stock 12 (na) Linggo
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
Littelfuse NTC Thermistors NTC THERMISTOR 4.7K OHM 10%
Datasheet
Lead-Time para sa Hindi Naka-stock 12 (na) Linggo
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