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 computer and consumer electronics against temporary overcurrent faults. Package size varies 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 (following the AECQ200 specification). 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.

Mga Resulta: 426
Pumili Larawan # ng Piyesa Mfr. Paglalarawan Datasheet Availability Pagpepresyo (PHP) I-filter ang mga resulta sa talahanayan ayon sa unit price batay sa iyong dami. Dami RoHS ECAD Model Series Isitilo ng Mounting Istilo ng Termination Hold Current Maximum na Voltage Trip Current Rating ng Current - Max Resistance Package / Case Minimum na Operating Temperature Maximum na Operating Temperature Kuwalipikasyon Packaging
Littelfuse Resettable Fuses - PPTC 2.6A 12V 100A Imax 700May Stock
47,900Inoorder
Min.: 1
Mult.: 1
Reel: 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 24V 750MA-HD 40A MAX 2,302May Stock
21,965Inoorder
Min.: 1
Mult.: 1
Reel: 1,500

miniSMD SMD/SMT SMD/SMT 750 mA 24 VDC 1.5 A 40 A 290 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1.10A 8V 100A Imax 6,116May Stock
Min.: 1
Mult.: 1
Reel: 2,000

miniSMD SMD/SMT SMD/SMT 1.1 A 8 VDC 2.2 A 100 A 210 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1.25A 6V 100A Imax 2,929May Stock
Min.: 1
Mult.: 1
Reel: 2,000

miniSMD SMD/SMT SMD/SMT 1.25 A 6 VDC 2.5 A 100 A 140 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 24V 1.5A-HD 20A MAX 3,723May Stock
14,000Inaasahan 5/18/2026
Min.: 1
Mult.: 1
Reel: 1,000

miniSMD SMD/SMT SMD/SMT 1.5 A 24 VDC 3 A 20 A 120 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1.6A 9V 100A Imax 2,150May Stock
Min.: 1
Mult.: 1
Reel: 2,000

miniSMD SMD/SMT SMD/SMT 1.6 A 9 VDC 3.2 A 100 A 100 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 2A 8V 100A Imax 589May Stock
14,000Inoorder
Min.: 1
Mult.: 1
Reel: 2,000

miniSMD SMD/SMT SMD/SMT 2 A 8 VDC 4 A 100 A 70 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 85 mOhms 40 A 16 VDC - 40 C+ 85 C 3,839May Stock
Min.: 1
Mult.: 1
Reel: 2,000

miniSMD PCB Mount SMD/SMT 2 A 16 VDC 4 A 40 A 85 mOhms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 2.6A 6V 100A Imax 3,323May Stock
Min.: 1
Mult.: 1
Reel: 2,000

miniSMD SMD/SMT SMD/SMT 2.6 A 6 VDC 5 A 100 A 43 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 2.60A 13.2V 100A Imax 943May Stock
3,000Inaasahan 3/24/2026
Min.: 1
Mult.: 1
Reel: 1,500

miniSMD SMD/SMT SMD/SMT 2.6 A 13.2 VDC 5 A 100 A 50 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC MINISMDC300F-2 2,000May Stock
Min.: 2,000
Mult.: 2,000
Reel: 2,000

miniSMD PCB Mount SMD/SMT 1812 (4532 metric) + 85 C Reel
Littelfuse Resettable Fuses - PPTC .16A 48V Nano SMD AEC-Q200 2,700May Stock
3,000Inaasahan 5/1/2026
Min.: 1
Mult.: 1
Reel: 3,000

nanoASMDC SMD/SMT SMD/SMT 160 mA 48 VDC 450 mA 10 A 5 Ohms 1206 (3216 metric) - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC .35A 16V Nano SMD AEC-Q200 550May Stock
3,000Inaasahan 4/21/2026
Min.: 1
Mult.: 1
Reel: 3,000

nanoASMDC SMD/SMT SMD/SMT 350 mA 16 VDC 750 mA 20 A 1.35 Ohms 1206 (3216 metric) - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC .2A 24V 100A Imax 7,609May Stock
9,000Inaasahan 3/18/2026
Min.: 1
Mult.: 1
Reel: 3,000

nanoSMD SMD/SMT SMD/SMT 200 mA 24 VDC 420 mA 100 A 3.1 Ohms 1206 (3216 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 16V 100A 2.3Ohms 6,650May Stock
9,000Inaasahan 5/1/2026
Min.: 1
Mult.: 1
Reel: 3,000

nanoSMD PCB Mount SMD/SMT 250 mA 16 VDC 580 mA 100 A 2.3 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC .1A 15VDC 20A 0805 AEC-Q200 3,555May Stock
Min.: 1
Mult.: 1
Reel: 3,000

picoASMD PCB Mount SMD/SMT 100 mA 15 VDC 300 mA 20 A 11 Ohms - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V 100A 0.8Ohms 4,721May Stock
Min.: 1
Mult.: 1
Reel: 3,000

picoSMD PCB Mount SMD/SMT 500 mA 6 VDC 1 A 100 A 800 mOhms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 170 mOhms 40 A 6 VDC - 40 C+ 85 C 179May Stock
6,000Inaasahan 3/18/2026
Min.: 1
Mult.: 1
Reel: 3,000

picoSMD PCB Mount SMD/SMT 1.1 A 6 VDC 2.2 A 40 A 170 mOhms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC SMDC075F-2 1,685May Stock
Min.: 1
Mult.: 1
Reel: 4,000

SMDC PCB Mount SMD/SMT 2920 (7351 metric) + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 150 mOhms 40 A 33 VDC - 40 C+ 85 C 3,656May Stock
4,000Inaasahan 4/21/2026
Min.: 1
Mult.: 1
Reel: 4,000

SMDC PCB Mount SMD/SMT 2.2 A 33 VDC 4.4 A 40 A 150 mOhms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 24V 3.0A-HD 40A MAX 560May Stock
8,000Inaasahan 5/7/2026
Min.: 1
Mult.: 1
Reel: 4,000

SMDC PCB Mount SMD/SMT 3 A 24 VDC 6 A 40 A 72 mOhms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 3A 16V High Temp SMD AEC-Q200 1,018May Stock
Min.: 1
Mult.: 1

AHS SMD/SMT SMD/SMT 3 A 16 VDC 6 A 70 A 24 mOhms 3425 (8673 metric) - 40 C + 125 C AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 1.75A 1,187May Stock
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho SMD/SMT SMD/SMT 1.75 A 6 VDC 3.5 A 50 A 55 mOhms 0805 (2012 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel

Littelfuse Resettable Fuses - PPTC 12V 4.0A-HD 50A SMD 1,218May Stock
6,000Inaasahan 2/23/2026
Min.: 1
Mult.: 1
Reel: 3,000

Low Rho SMD/SMT SMD/SMT 4 A 12 VDC 8 A 50 A 16 mOhms 1206 (3216 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 2A 331May Stock
Min.: 1
Mult.: 1
Reel: 4,000

Low Rho PCB Mount SMD/SMT 2 A 6 VDC 4 A 50 A 24 mOhms 1210 (3225 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel