PolySwitch Surface-Mount Resettable PTCs

Littelfuse PolySwitch Surface-Mount (SMD) Resettable PTCs provide overcurrent protection for applications where space is at a premium, and resettable protection is desired. The components are reliable and capable of protecting computers and consumer electronics against temporary overcurrent faults. Package sizes range from 0402 to 3425, while the current hold ranges from 50mA to 7.0A. The Littelfuse PolySwitch SMD product family is qualified to strict automotive standards (per AECQ200). As a result, these PTCs are suitable for protecting electronic control units (ECUs) against damage from faults that would otherwise require costly, complete module replacement.

Results: 406
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Mounting Style Termination Style Hold Current Maximum Voltage Trip Current Current Rating - Max Resistance Package/Case Minimum Operating Temperature Maximum Operating Temperature Qualification Packaging
Littelfuse Resettable Fuses - PPTC .5A 24V Mini SMD AEC-Q200 14,340In Stock
Min.: 1
Mult.: 1
: 2,000

miniASMD SMD/SMT SMD/SMT 500 mA 24 VDC 1 A 100 A 1 Ohms 1812 (4532 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V 750MA-HD 40A SMD 4,301In Stock
Min.: 1
Mult.: 1
: 3,000

picoSMD PCB Mount SMD/SMT 750 mA 6 VDC 1.5 A 40 A 350 mOhms - 40 C + 85 C Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 1.10A 6V 0805 3,669In Stock
Min.: 1
Mult.: 1
: 3,000

0805L SMD/SMT SMD/SMT 1 A 6 VDC 1.95 A 40 A 210 mOhms 0805 (2012 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel

Littelfuse Resettable Fuses - PPTC 12V 5.0A-HD 50A SMD 5,371In Stock
Min.: 1
Mult.: 1
: 3,000

Low Rho SMD/SMT SMD/SMT 5 A 12 VDC 10 A 50 A 12 mOhms 1210 (3225 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel

Littelfuse Resettable Fuses - PPTC 6V 5.5A-HD 50A SMD 1,770In Stock
Min.: 1
Mult.: 1
: 3,000

Low Rho SMD/SMT SMD/SMT 5.5 A 6 VDC 11 A 50 A 11 mOhms 1210 (3225 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 24V 2.6A 2920 POLYFUSE SURF MOUNT 7,536In Stock
Min.: 1
Mult.: 1
: 1,500

2920L SMD/SMT SMD/SMT 2.6 A 24 VDC 5 A 40 A 75 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 9V 100A 3.2Ohms 6,901In Stock
Min.: 1
Mult.: 1
: 4,000

picoSMD PCB Mount SMD/SMT 200 mA 9 VDC 470 mA 100 A 3.2 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 12V 0.1A Ih 5.8 Ohm 3,809In Stock
Min.: 1
Mult.: 1
: 4,000

femtoSMD SMD/SMT SMD/SMT 100 mA 12 VDC 250 mA 40 A 8 Ohms 0603 (1608 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V 2920 2.60A POLYFUSE 268In Stock
2,000Expected 1/10/2026
Min.: 1
Mult.: 1
: 2,000

2920L SMD/SMT SMD/SMT 2.6 A 6 VDC 5 A 40 A 75 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1812 LoRho SL 3.00A 104In Stock
Min.: 1
Mult.: 1
: 2,000

Low Rho SMD/SMT SMD/SMT 3 A 6 VDC 7 A 50 A 21 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 2.6A 54In Stock
4,000Expected 4/1/2027
Min.: 1
Mult.: 1
: 4,000

Low Rho SMD/SMT SMD/SMT 2.6 A 6 V 5 A 50 A 20 mOhms 1210 (3225 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V 2016 2A SURF MOUNT 2,566In Stock
Min.: 1
Mult.: 1
: 2,000

2016L SMD/SMT SMD/SMT 2 A 6 VDC 4.2 A 40 A 100 mOhms 2016 (5041 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC .75A 24V Mini SMD AEC-Q200 2,681In Stock
Min.: 1
Mult.: 1
: 1,500

miniASMD SMD/SMT SMD/SMT 750 mA 24 VDC 1.5 A 40 A 290 mOhms 1812 (4532 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1.2A 33V SMD AEC-Q200 2,946In Stock
Min.: 1
Mult.: 1
: 1,500

ASMD SMD/SMT SMD/SMT 1.2 A 33 VDC 2.88 A 40 A 230 mOhms 3425 (8763 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 15V 2016 1.10A SURF MOUNT 3,465In Stock
Min.: 1
Mult.: 1
: 2,000

2016L SMD/SMT SMD/SMT 1.1 A 15 VDC 2.2 A 40 A 400 mOhms 2016 (5041 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 13.2V 500MA-HD 40A 1210 3,378In Stock
Min.: 1
Mult.: 1
miniASMD SMD/SMT SMD/SMT 500 mA 13.2 VDC 1 A 40 A 900 mOhms 1210 (3225 metric) - 40 C + 85 C
Littelfuse Resettable Fuses - PPTC 12V 750MA-HD 40A SMD 2,232In Stock
Min.: 1
Mult.: 1
: 3,000

Automotive SMD SMD/SMT SMD/SMT 750 mA 12 VDC 2.25 A 40 A 460 mOhms 1206 (3216 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 12V 1.5A-HD 40A SMD 1,777In Stock
Min.: 1
Mult.: 1
: 3,000

Automotive SMD SMD/SMT SMD/SMT 1.5 A 12 VDC 4.5 A 40 A 250 mOhms 1210 (3225 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC .23A 60V SMD AEC-Q200 2,042In Stock
Min.: 1
Mult.: 1
: 2,000

ASMD PCB Mount SMD/SMT 230 mA 60 VDC 590 mA 10 A 4.8 Ohms - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 2.6A 6V 40A Imax 3,587In Stock
Min.: 1
Mult.: 1
: 2,000

SMD SMD/SMT SMD/SMT 2.6 A 6 VDC 5.2 A 40 A 75 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 13.2V 500MA-HD 70A SMD 2,674In Stock
Min.: 1
Mult.: 1
miniASMD SMD/SMT SMD/SMT 500 mA 13.2 VDC 1.1 A 70 A 750 mOhms 1206 (3216 metric) - 40 C + 85 C
Littelfuse Resettable Fuses - PPTC 15V 100A 9Ohms 3,440In Stock
Min.: 1
Mult.: 1
: 4,000

picoSMD PCB Mount SMD/SMT 120 mA 15 VDC 300 mA 100 A 9 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 6V POLY SURF MOUNT 1210 1.75A 2,695In Stock
Min.: 1
Mult.: 1
: 3,000

1210L SMD/SMT SMD/SMT 1.75 A 6 VDC 3.5 A 100 A 80 mOhms 1210 (3225 metric) - 40 C + 85 C Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 15V 0.05A Ih 30 Ohm 204In Stock
4,000On Order
Min.: 1
Mult.: 1
: 4,000

femtoSMD SMD/SMT SMD/SMT 50 mA 15 VDC 150 mA 40 A 30 Ohms 0603 (1608 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 12V 0.08A Ih 14 Ohm 639In Stock
Min.: 1
Mult.: 1
: 4,000

femtoSMD SMD/SMT SMD/SMT 80 mA 12 VDC 200 mA 40 A 14 Ohms 0603 (1608 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel