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: 409
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) 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 PTC 24V POLYFUSE SURF MOUNT 0805 0.2A 16 406In Stock
Cut Tape
0,886 €
0,817 €
0,679 €
0,626 €
Reel
0,409 €
Min.: 1
Mult.: 1
: 4 000
0805L SMD/SMT SMD/SMT 200 mA 24 VDC 500 mA 100 A 3.5 Ohms 0805 (2012 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 90V POLYFUSE SURF MOUNT 1210 0.1A 15 522In Stock
Cut Tape
1,20 €
1,11 €
0,929 €
0,85 €
Reel
0,602 €
Min.: 1
Mult.: 1
: 3 000
1210L Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 72V POLYFUSE SURF MOUNT 1210 0.20A 16 249In Stock
Cut Tape
1,20 €
1,11 €
0,929 €
0,85 €
Reel
0,572 €
Min.: 1
Mult.: 1
: 3 000
1210L SMD/SMT SMD/SMT 200 mA 72 VDC 400 mA 10 A 5 Ohms 1210 (3225 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 60V POLYFUSE SURF MOUNT 2920 1.50A 6 000In Stock
55 000On Order
Cut Tape
0,80 €
0,733 €
0,609 €
0,562 €
Reel
0,367 €
Min.: 1
Mult.: 1
: 1 000
2920L SMD/SMT SMD/SMT 1.5 A 60 VDC 3 A 20 A 250 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .350A 11 799In Stock
Cut Tape
2,34 €
2,12 €
1,75 €
1,57 €
Reel
1,20 €
Min.: 1
Mult.: 1
: 10 000
Low Rho SMD/SMT SMD/SMT 350 mA 6 VDC 700 mA 40 A 700 mOhms 0402 (1005 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .500A 27 361In Stock
Cut Tape
2,81 €
2,20 €
1,83 €
1,69 €
Reel
1,20 €
Min.: 1
Mult.: 1
: 10 000
Low Rho SMD/SMT SMD/SMT 500 mA 6 VDC 1 A 40 A 400 mOhms 0402 (1005 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel

Littelfuse Resettable Fuses - PPTC 60V 10MA-HD 40A SMD 18 302In Stock
Cut Tape
1,48 €
1,37 €
1,14 €
1,05 €
Reel
0,716 €
Min.: 1
Mult.: 1
: 4 000
0603L SMD/SMT SMD/SMT 10 mA 60 VDC 50 mA 40 A 100 Ohms 0603 (1608 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 36V 30MA-HD 40A SMD 17 370In Stock
Cut Tape
1,57 €
1,44 €
1,19 €
1,08 €
Reel
0,716 €
Min.: 1
Mult.: 1
: 4 000
0603L SMD/SMT SMD/SMT 30 mA 36 VDC 90 mA 40 A 50 Ohms 0603 (1608 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 24V .035A 0603 PTC 13 177In Stock
Cut Tape
1,16 €
Reel
1,16 €
Min.: 1
Mult.: 1
: 4 000
0603L PCB Mount SMD/SMT 40 mA 24 VDC 120 mA 20 A 40 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 0.50A 28 335In Stock
Cut Tape
1,62 €
1,46 €
1,24 €
1,14 €
Reel
0,906 €
Min.: 1
Mult.: 1
: 4 000
Low Rho SMD/SMT SMD/SMT 500 mA 6 VDC 1 A 50 A 350 mOhms 0603 (1608 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 3.00A 13 702In Stock
Cut Tape
1,87 €
1,74 €
1,44 €
1,32 €
Reel
0,937 €
Min.: 1
Mult.: 1
: 3 000
Low Rho SMD/SMT SMD/SMT 3 A 6 VDC 6 A 50 A 30 mOhms 0805 (2012 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 24V 500MA-HD 100A MAX 40 772In Stock
Cut Tape
1,34 €
1,24 €
1,03 €
0,955 €
Reel
0,661 €
Min.: 1
Mult.: 1
: 3 000
1206L SMD/SMT SMD/SMT 500 mA 24 VDC 1 A 100 A 750 mOhms 1206 (3216 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 6V 1206 1.5A POLYFUSE SMD THIN 65 962In Stock
Cut Tape
0,499 €
0,446 €
0,376 €
0,342 €
Reel
0,231 €
Min.: 1
Mult.: 1
: 3 000
1206L PCB Mount SMD/SMT 1.5 A 8 VDC 3 A 100 A 120 mOhms 1206 (3216 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 4A 27 810In Stock
Cut Tape
1,87 €
1,52 €
1,35 €
1,20 €
Reel
1,07 €
Min.: 1
Mult.: 1
: 3 000
Low Rho SMD/SMT SMD/SMT 4 A 6 VDC 8 A 50 A 16 mOhms 1206 (3216 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 33V 1.10A POLY SURF MOUNT 88 287In Stock
101 000Expected 24/12/2026
Cut Tape
0,533 €
0,486 €
0,403 €
0,372 €
Reel
0,243 €
Min.: 1
Mult.: 1
: 1 000
1812L PCB Mount SMD/SMT 1.1 A 33 VDC 1.95 A 20 A 200 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel

Littelfuse Resettable Fuses - PPTC 24V 3.0A-HD 50A SMD 15 942In Stock
Cut Tape
1,87 €
1,74 €
1,44 €
1,32 €
Reel
0,937 €
Min.: 1
Mult.: 1
: 2 500
Low Rho SMD/SMT SMD/SMT 3 A 24 VDC 6 A 50 A 30 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 33V 1.5A-HD 40A MAX 63 881In Stock
Cut Tape
0,636 €
0,587 €
0,487 €
0,45 €
Reel
0,335 €
Min.: 1
Mult.: 1
: 1 500
2016L SMD/SMT SMD/SMT 1.5 A 33 VDC 3 A 40 A 180 mOhms 2016 (5041 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1.10A 33V 2920 50 640In Stock
Cut Tape
0,611 €
0,544 €
0,463 €
0,427 €
Reel
0,268 €
Min.: 1
Mult.: 1
: 2 000
2920L SMD/SMT SMD/SMT 1.1 A 33 VDC 2.2 A 40 A 410 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel

Littelfuse Resettable Fuses - PPTC 24V 5.0A-HD 50A SMD 23 117In Stock
Cut Tape
2,65 €
2,45 €
2,03 €
1,87 €
Reel
1,37 €
Min.: 1
Mult.: 1
: 1 500
Low Rho SMD/SMT SMD/SMT 5 A 24 VDC 10 A 50 A 18 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel

Littelfuse Resettable Fuses - PPTC 24V 7.0A-HD 22A SMD 12 355In Stock
Cut Tape
2,65 €
2,45 €
2,03 €
1,87 €
Reel
1,40 €
Min.: 1
Mult.: 1
: 2 500
Low Rho SMD/SMT SMD/SMT 7 A 24 VDC 14 A 50 A 10 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 2.6A 12V 100A Imax 78 327In Stock
Cut Tape
0,55 €
0,489 €
0,421 €
0,376 €
Reel
0,243 €
Min.: 1
Mult.: 1
: 1 500
miniSMD SMD/SMT SMD/SMT 2.6 A 12 VDC 5 A 100 A 47 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC .14A 60V 10A Imax 115 414In Stock
Cut Tape
0,387 €
0,353 €
0,292 €
0,27 €
Reel
0,163 €
Min.: 1
Mult.: 1
: 2 000
miniSMD SMD/SMT SMD/SMT 140 mA 60 VDC 280 mA 10 A 6 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC .5A 13.2V 100A Imax 69 782In Stock
Cut Tape
0,439 €
0,392 €
0,332 €
0,302 €
Reel
0,187 €
Min.: 1
Mult.: 1
: 3 000
nanoSMD SMD/SMT SMD/SMT 500 mA 13.2 VDC 1.1 A 100 A 800 mOhms 1206 (3216 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC .5A 60V 10A Imax 73 851In Stock
40 000Expected 05/11/2026
Cut Tape
0,456 €
0,421 €
0,349 €
0,323 €
Reel
0,237 €
Min.: 1
Mult.: 1
: 2 000
SMD SMD/SMT SMD/SMT 500 mA 60 VDC 1 A 10 A 1.4 Ohms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 60V 40A 12.7Ohms 31 505In Stock
Cut Tape
0,464 €
0,409 €
0,348 €
0,266 €
Reel
0,201 €
Min.: 1
Mult.: 1
: 2 000
miniSMD SMD/SMT SMD/SMT 100 mA 60 VDC 300 mA 40 A 12.7 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel