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.

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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 6V POLY SURF MOUNT 1812 3.0A
Datasheet
2.629In Stock
MouseReel Available
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
Datasheet
11.932In Stock
MouseReel Available
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
Datasheet
11.458In Stock
MouseReel Available
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
Datasheet
21.858In Stock
29.704On Order
MouseReel Available
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
Datasheet
36.123In Stock
28.500Expected 11/3/2026
MouseReel Available
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
Datasheet
7.549In Stock
MouseReel Available
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
Datasheet
10.273In Stock
MouseReel Available
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
Datasheet
5.325In Stock
25.500On Order
MouseReel Available
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 0.75A 30V 2920
Datasheet
8.874In Stock
6.800On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

2920L SMD/SMT SMD/SMT 750 mA 30 VDC 1.5 A 40 A 1 Ohms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC PLYFUSE SMT 2920 60V .750A
Datasheet
7.334In Stock
11.000Expected 8/20/2026
MouseReel Available
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
Datasheet
4.908In Stock
MouseReel Available
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
Datasheet
10.674In Stock
16.500Expected 9/28/2026
MouseReel Available
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
Datasheet
6.237In Stock
MouseReel Available
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
Datasheet
7.790In Stock
18.000Expected 1/4/2027
MouseReel Available
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
Datasheet
16.126In Stock
MouseReel Available
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
Datasheet
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
Datasheet
15.432In Stock
MouseReel Available
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
Datasheet
5.067In Stock
MouseReel Available
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
Datasheet
1.196In Stock
MouseReel Available
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
Datasheet
7.162In Stock
MouseReel Available
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
Datasheet
7.714In Stock
MouseReel Available
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
Datasheet
2.247In Stock
4.898Expected 8/28/2026
MouseReel Available
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
Datasheet
4.044In Stock
MouseReel Available
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
Datasheet
5.101In Stock
MouseReel Available
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
Datasheet
4.770In Stock
MouseReel Available
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