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 60V 100MA-HD 10A SMD 16’069In Stock
CHF 0.418
CHF 0.383
CHF 0.319
CHF 0.295
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 16V 2.0A-HD 40A SMD 2’553In Stock
Cut Tape
CHF 0.973
CHF 0.894
CHF 0.741
CHF 0.684
Reel
CHF 0.413
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
CHF 0.684
CHF 0.582
CHF 0.495
CHF 0.443
Reel
CHF 0.281
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 .8A 16V HighTemp SMD AEC-Q200 4’951In Stock
Cut Tape
CHF 0.652
CHF 0.537
CHF 0.484
CHF 0.441
Reel
CHF 0.338
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
CHF 0.451
CHF 0.414
CHF 0.344
CHF 0.317
Reel
CHF 0.192
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 .75A 24V Mini SMD AEC-Q200 2’527In Stock
Cut Tape
CHF 0.532
CHF 0.466
CHF 0.431
CHF 0.40
Reel
CHF 0.263
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 2’921In Stock
Cut Tape
CHF 0.668
CHF 0.612
CHF 0.508
CHF 0.469
Reel
CHF 0.292
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 13.2V 500MA-HD 70A SMD 2’651In Stock
CHF 0.612
CHF 0.561
CHF 0.465
CHF 0.43
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
CHF 0.451
CHF 0.414
CHF 0.344
CHF 0.316
Reel
CHF 0.238
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 13.2V 500MA-HD 40A 1210 3’368In Stock
CHF 0.459
CHF 0.418
CHF 0.348
CHF 0.32
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 1.1A 16V Mini SMD AEC-Q200 3’988In Stock
Cut Tape
CHF 0.434
CHF 0.372
CHF 0.323
CHF 0.296
Reel
CHF 0.24
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 RF5235-000 2018 0.5A 33VDC 1.5W 0.2Ohm 19’867In Stock
Cut Tape
CHF 0.652
CHF 0.601
CHF 0.484
CHF 0.457
Reel
CHF 0.294
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
CHF 0.652
CHF 0.601
CHF 0.484
CHF 0.457
Reel
CHF 0.313
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
CHF 0.652
CHF 0.601
CHF 0.484
CHF 0.457
Reel
CHF 0.294
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
CHF 0.652
CHF 0.601
CHF 0.484
CHF 0.457
Reel
CHF 0.294
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
CHF 0.652
CHF 0.601
CHF 0.484
CHF 0.457
Reel
CHF 0.294
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
CHF 0.652
CHF 0.601
CHF 0.484
CHF 0.457
Reel
CHF 0.294
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
CHF 0.773
CHF 0.713
CHF 0.577
CHF 0.547
Reel
CHF 0.372
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
CHF 0.926
CHF 0.854
CHF 0.693
CHF 0.651
Reel
CHF 0.447
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
CHF 0.926
CHF 0.854
CHF 0.693
CHF 0.651
Reel
CHF 0.447
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
CHF 0.926
CHF 0.854
CHF 0.693
CHF 0.651
Reel
CHF 0.429
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
CHF 0.926
CHF 0.854
CHF 0.693
CHF 0.651
Reel
CHF 0.485
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
CHF 0.926
CHF 0.854
CHF 0.693
CHF 0.651
Reel
CHF 0.429
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 11/3/2026
Cut Tape
CHF 0.926
CHF 0.854
CHF 0.693
CHF 0.651
Reel
CHF 0.447
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
CHF 0.926
CHF 0.854
CHF 0.693
CHF 0.651
Reel
CHF 0.429
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