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 (CRC) 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 24V 3.0A-HD 50A SMD 7 360In Stock
12 500Expected 1/21/2027
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 PTC 6V POLY SURF MOUNT 1812 3.0A 2 629In Stock
Min.: 1
Mult.: 1
: 1 000

1812L SMD/SMT SMD/SMT 3 A 6 VDC 5 A 100 A 40 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 60V 2016 .300A SURF MOUNT 11 932In Stock
Min.: 1
Mult.: 1
: 1 500

2016L SMD/SMT SMD/SMT 300 mA 60 VDC 600 mA 20 A 2.3 Ohms 2016 (5041 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 60V 2016 .550A POLYFUSE 11 983In Stock
Min.: 1
Mult.: 1
: 1 000

2016L SMD/SMT SMD/SMT 550 mA 60 VDC 1.1 A 20 A 1 Ohms 2016 (5041 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 55PTC 33V 2016 1.10A POLYFUSE 21 858In Stock
29 704On Order
Min.: 1
Mult.: 1
: 1 500

2016L SMD/SMT SMD/SMT 1.1 A 33 VDC 2.2 A 40 A 400 mOhms 2016 (5041 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 33V 1.5A-HD 40A MAX 36 123In Stock
28 500Expected 11/3/2026
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 15V 2016 1.50A SURF MOUNT 7 549In Stock
Min.: 1
Mult.: 1
: 1 500

2016L SMD/SMT SMD/SMT 1.5 A 15 VDC 3 A 40 A 180 mOhms 2016 (5041 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 24V 2.6A-HD 22A SMD 10 273In Stock
Min.: 1
Mult.: 1
: 1 000

2016L SMD/SMT SMD/SMT 2.6 A 24 VDC 5 A 40 A 75 mOhms 2016 (5041 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 0.50A 60V 2920 5 350In Stock
25 500On Order
Min.: 1
Mult.: 1
: 1 500

2920L 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 PTC PLYFUSE SMT 2920 60V .750A 7 334In Stock
11 000Expected 8/20/2026
Min.: 1
Mult.: 1
: 1 000

2920L SMD/SMT SMD/SMT 750 mA 60 VDC 1.5 A 10 A 950 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1.25A 15V 2920 4 908In Stock
Min.: 1
Mult.: 1
: 2 000

2920L SMD/SMT SMD/SMT 1.25 A 15 VDC 2.5 A 40 A 250 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1.50A 33V 2920 10 677In Stock
16 500Expected 9/28/2026
Min.: 1
Mult.: 1
: 1 500

2920L SMD/SMT SMD/SMT 1.5 A 33 VDC 3 A 40 A 230 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 2.0A 15V 2920 6 237In Stock
Min.: 1
Mult.: 1
: 1 500

2920L SMD/SMT SMD/SMT 2 A 15 VDC 4 A 40 A 125 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 24V 2920 2A POLYFUSE 7 790In Stock
18 000Expected 1/4/2027
Min.: 1
Mult.: 1
: 1 500

2920L SMD/SMT SMD/SMT 2 A 24 VDC 4 A 40 A 125 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 2.50A 15V 2920 16 126In Stock
Min.: 1
Mult.: 1
: 1 500

2920L SMD/SMT SMD/SMT 2.5 A 15 VDC 5 A 40 A 85 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 24V 3.3A-HD 40A SMD 1 456In Stock
Min.: 1
Mult.: 1
: 1 000
2920L SMD/SMT SMD/SMT 3.3 A 24 VDC 5.5 A 40 A 55 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape
Littelfuse Resettable Fuses - PPTC 15V 4A Poly 2920 PTC 15 432In Stock
Min.: 1
Mult.: 1
: 1 000

2920L SMD/SMT SMD/SMT 4 A 15 VDC 8 A 40 A 40 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 16V 5.00A Poly 2920 PTC 5 067In Stock
Min.: 1
Mult.: 1
: 1 000

2920L SMD/SMT SMD/SMT 5 A 16 VDC 10 A 40 A 25 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 16V 5.0A-HD 40A SMD 1 196In Stock
Min.: 1
Mult.: 1
: 1 000

2920L SMD/SMT SMD/SMT 5 A 16 V 10 A 40 A 25 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 12V 6.0A-HD 50A 2920 7 162In Stock
Min.: 1
Mult.: 1
: 1 000

2920L SMD/SMT SMD/SMT 6 A 12 VDC 12 A 50 A 20 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 16V 6.0A-HD 22A SMD 7 714In Stock
Min.: 1
Mult.: 1
: 1 000

2920L SMD/SMT SMD/SMT 6 A 16 VDC 12 A 40 A 20 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel

Littelfuse Resettable Fuses - PPTC 24V 6.0A-HD 100A MAX 2 145In Stock
5 000On Order
Min.: 1
Mult.: 1
: 2 500

Low Rho SMD/SMT SMD/SMT 6 A 24 VDC 12 A 50 A 12 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC RF5030-000 4 044In Stock
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
Littelfuse Resettable Fuses - PPTC 30V 160MA-HD 20A SMD 5 101In Stock
Min.: 1
Mult.: 1
: 3 000

nanoASMDCH SMD/SMT SMD/SMT 160 mA 30 VDC 800 mA 20 A 700 mOhms 1206 (3216 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC RF5028-000 4 770In Stock
Min.: 1
Mult.: 1
: 3 000

nanoASMD SMD/SMT SMD/SMT 200 mA 30 VDC 600 mA 20 A 600 mOhms 1206 (3216 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel