Automotive SMD Resettable Fuses

Littelfuse PolySwitch® Family of Automotive SMD Resettable PPTCs are designed to support the miniaturization trend in automotive electronics. These devices meet performance specifications for resistance, time-to-trip, and hold current at three temperatures (-40°C, 25°C, and max T). These parts are AEC-Q200 qualified, RoHS compliant, ELV compliant, lead free, and halogen free as well as ISO/TS16949 certified. ​Littelfuse automotive PPTCs provide current ratings from 0.05A to 3.0A and voltage ratings from 5VDC to 60VDC. These devices provide overcurrent and overtemperature protection for Electronic Control Units (ECUs), I/O ports and traces, telematics and infotainment systems, and motor and motor control circuits. Littelfuse Automotive SMD Resettable PPTCs are compatible with high-volume SMD assembly processes.

Results: 65
Select Image Part # Mfr. Description Datasheet Availability Pricing (CHF) 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 .8A 16V HighTemp SMD AEC-Q200 4 951In Stock
Cut Tape
0.652 CHF
0.537 CHF
0.484 CHF
0.441 CHF
Reel
0.338 CHF
Min.: 1
Mult.: 1
: 4 000
AHS SMD/SMT SMD/SMT 800 mA 16 VDC 2 A 70 A 130 mOhms 2018 (5050 metric) - 40 C + 125 C AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC .5A 24V Mini SMD AEC-Q200 10 194In Stock
Cut Tape
0.451 CHF
0.414 CHF
0.344 CHF
0.317 CHF
Reel
0.192 CHF
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 16V 2.0A-HD 40A SMD 2 553In Stock
Cut Tape
0.973 CHF
0.894 CHF
0.741 CHF
0.684 CHF
Reel
0.413 CHF
Min.: 1
Mult.: 1
: 2 000
miniASMD PCB Mount SMD/SMT 1812 (4532 metric) + 85 C Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 16V 100MA-HD 40A SMD 8 394In Stock
Cut Tape
0.684 CHF
0.582 CHF
0.495 CHF
0.443 CHF
Reel
0.281 CHF
Min.: 1
Mult.: 1
: 4 000
ASMDC SMD/SMT SMD/SMT 100 mA 16 VDC 600 mA 40 A 1 Ohms 0805 (2012 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 60V 100MA-HD 10A SMD 16 069In Stock
0.418 CHF
0.383 CHF
0.319 CHF
0.295 CHF
Min.: 1
Mult.: 1
miniASMD SMD/SMT SMD/SMT 100 mA 60 VDC 250 mA 10 A 15 Ohms 1206 (3216 metric) - 40 C + 85 C
Littelfuse Resettable Fuses - PPTC 1.1A 16V Mini SMD AEC-Q200 3 988In Stock
Cut Tape
0.434 CHF
0.372 CHF
0.323 CHF
0.296 CHF
Reel
0.24 CHF
Min.: 1
Mult.: 1
: 2 000
miniASMD SMD/SMT SMD/SMT 1.1 A 16 VDC 2.2 A 100 A 180 mOhms 1812 (4532 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 13.2V 500MA-HD 70A SMD 2 651In Stock
0.612 CHF
0.561 CHF
0.465 CHF
0.43 CHF
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 .2A 30V Mini SMD AEC-Q200 4 705In Stock
Cut Tape
0.451 CHF
0.414 CHF
0.344 CHF
0.316 CHF
Reel
0.238 CHF
Min.: 1
Mult.: 1
: 2 000
miniASMD SMD/SMT SMD/SMT 200 mA 30 VDC 400 mA 10 A 3.3 Ohms 1812 (4532 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1.2A 33V SMD AEC-Q200 2 921In Stock
Cut Tape
0.668 CHF
0.612 CHF
0.508 CHF
0.469 CHF
Reel
0.292 CHF
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 .75A 24V Mini SMD AEC-Q200 2 527In Stock
Cut Tape
0.532 CHF
0.466 CHF
0.431 CHF
0.40 CHF
Reel
0.263 CHF
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 13.2V 500MA-HD 40A 1210 3 368In Stock
0.459 CHF
0.418 CHF
0.348 CHF
0.32 CHF
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 RF5235-000 2018 0.5A 33VDC 1.5W 0.2Ohm 19 867In Stock
Cut Tape
0.652 CHF
0.601 CHF
0.484 CHF
0.457 CHF
Reel
0.294 CHF
Min.: 1
Mult.: 1
: 4 000
AHS SMD/SMT SMD/SMT 500 mA 33 VDC 1.5 A 70 A 200 mOhms 2018 (5050 metric) - 40 C + 125 C AEC-Q200 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC RF5236-000 2018 0.8A 33VDC 1.9W 0.1Ohm 19 846In Stock
Cut Tape
0.652 CHF
0.601 CHF
0.484 CHF
0.457 CHF
Reel
0.313 CHF
Min.: 1
Mult.: 1
: 4 000
AHS SMD/SMT SMD/SMT 800 mA 33 VDC 2 A 70 A 100 mOhms 2018 (5050 metric) - 40 C + 125 C AEC-Q200 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 33V 1.2A-HD 20A 2-SMD 10 464In Stock
Cut Tape
0.652 CHF
0.601 CHF
0.484 CHF
0.457 CHF
Reel
0.294 CHF
Min.: 1
Mult.: 1
: 2 000
AHS SMD/SMT SMD/SMT 1.2 A 33 VDC 2.3 A 20 A 150 mOhms 2920 (7450 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC RF5237-000 3425 1.6A 24VDC 2.3W 0.035Ohm 7 434In Stock
Cut Tape
0.652 CHF
0.601 CHF
0.484 CHF
0.457 CHF
Reel
0.294 CHF
Min.: 1
Mult.: 1
: 1 500
AHS SMD/SMT SMD/SMT 1.6 A 24 VDC 4.8 A 40 A 35 mOhms 3425 (8673 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC RF5238-000 3425 2A 24VDC 2.3W 0.03Ohm 7 315In Stock
Cut Tape
0.652 CHF
0.601 CHF
0.484 CHF
0.457 CHF
Reel
0.294 CHF
Min.: 1
Mult.: 1
: 1 500
AHS SMD/SMT SMD/SMT 2 A 24 VDC 6 A 40 A 30 mOhms 3425 (8673 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel

Littelfuse Resettable Fuses - PPTC 24V 3.0A-HD 20A 2-SMD 12 786In Stock
Cut Tape
0.652 CHF
0.601 CHF
0.484 CHF
0.457 CHF
Reel
0.294 CHF
Min.: 1
Mult.: 1
: 1 500
AHS SMD/SMT SMD/SMT 3 A 24 VDC 6 A 20 A 15 mOhms 3425 (8673 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC RF5103-000 4 000In Stock
Cut Tape
0.773 CHF
0.713 CHF
0.577 CHF
0.547 CHF
Reel
0.372 CHF
Min.: 1
Mult.: 1
: 4 000
ASMD Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC RF5160-000 1210 0.1A 30VDC 0.8W 1Ohm 3 821In Stock
Cut Tape
0.926 CHF
0.854 CHF
0.693 CHF
0.651 CHF
Reel
0.447 CHF
Min.: 1
Mult.: 1
: 4 000
microASMD SMD/SMT SMD/SMT 100 mA 30 VDC 300 mA 20 A 1 Ohms 1210 (3225 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC RF5161-000 1210 0.16A 30VDC 0.8W 0.7Ohm 3 369In Stock
Cut Tape
0.926 CHF
0.854 CHF
0.693 CHF
0.651 CHF
Reel
0.447 CHF
Min.: 1
Mult.: 1
: 4 000
microASMD SMD/SMT SMD/SMT 160 mA 30 VDC 480 mA 20 A 700 mOhms 1210 (3225 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC RF5163-000 1210 0.35A 30VDC 1.2W 0.4Ohm 3 175In Stock
Cut Tape
0.926 CHF
0.854 CHF
0.693 CHF
0.651 CHF
Reel
0.429 CHF
Min.: 1
Mult.: 1
: 4 000
microASMD SMD/SMT SMD/SMT 350 mA 30 VDC 1.05 A 20 A 400 mOhms 1210 (3225 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC RF5164-000 1210 0.5A 30VDC 1.5W 0.3Ohm 3 790In Stock
Cut Tape
0.926 CHF
0.854 CHF
0.693 CHF
0.651 CHF
Reel
0.485 CHF
Min.: 1
Mult.: 1
: 3 000
microASMD SMD/SMT SMD/SMT 500 mA 30 VDC 1.05 A 20 A 300 mOhms 1210 (3225 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC RF5034-000 1210 0.75A 16VDC 1.3W 0.1Ohm 9 689In Stock
Cut Tape
0.926 CHF
0.854 CHF
0.693 CHF
0.651 CHF
Reel
0.429 CHF
Min.: 1
Mult.: 1
: 4 000
microASMD SMD/SMT SMD/SMT 750 mA 16 VDC 2.25 A 20 A 100 mOhms 1210 (3225 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC RF5162-000 1210 0.2A 30VDC 0.8W 0.6Ohm 1 470In Stock
4 000Expected 03/11/2026
Cut Tape
0.926 CHF
0.854 CHF
0.693 CHF
0.651 CHF
Reel
0.447 CHF
Min.: 1
Mult.: 1
: 4 000
microASMD SMD/SMT SMD/SMT 200 mA 30 VDC 600 mA 20 A 600 mOhms 1210 (3225 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC RF5030-000 3 484In Stock
Cut Tape
0.926 CHF
0.854 CHF
0.693 CHF
0.651 CHF
Reel
0.429 CHF
Min.: 1
Mult.: 1
: 3 000
nanoASMD SMD/SMT SMD/SMT 50 mA 30 VDC 150 mA 20 A 3.5 Ohms 1206 (3216 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel