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.

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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 15V 2016 1.50A SURF MOUNT
Datasheet
10,455In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
9,209In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 250/60V 0.13A PTC Vertical
Datasheet
6,002In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,200

250S PCB Mount SMD/SMT 130 mA 60 VDC 260 mA 3 A 13 Ohms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 0.30A 60V 2920
Datasheet
21,095In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

2920L SMD/SMT SMD/SMT 300 mA 60 VDC 600 mA 10 A 4.8 Ohms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 0.50A 60V 2920
Datasheet
22,346In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 1.10A 33V 2920
Datasheet
14,592In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,000

2920L SMD/SMT SMD/SMT 1.1 A 33 VDC 2.2 A 40 A 410 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 60V 1.1A-HD 20A 1210
Datasheet
24,747In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

2920L SMD/SMT SMD/SMT 1.1 A 60 VDC 2.2 A 20 A 410 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1.50A 33V 2920
Datasheet
7,675In Stock
7,500Expected 07/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 1.85A 33V 2920
Datasheet
25,809In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

2920L SMD/SMT SMD/SMT 1.85 A 33 VDC 3.7 A 40 A 150 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 24V 2920 2A POLYFUSE
Datasheet
13,253In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
20,427In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 2.6A 2920 POLYFUSE SURF MOUNT
Datasheet
5,792In Stock
3,000Expected 12/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

2920L SMD/SMT SMD/SMT 2.6 A 24 VDC 5 A 40 A 75 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 15V 2920 3A
Datasheet
13,716In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

2920L SMD/SMT SMD/SMT 3 A 15 VDC 5 A 40 A 48 mOhms 2920 (7450 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 24V 3.3A Poly 2920 PTC
Datasheet
8,402In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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, MouseReel
Littelfuse Resettable Fuses - PPTC 16V 5.00A Poly 2920 PTC
Datasheet
12,882In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
1,273In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
4,532In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 30V 160MA-HD 20A SMD
Datasheet
7,255In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 30V 350MA-HD 20A SMD
Datasheet
3,298In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

nanoASMDCH SMD/SMT SMD/SMT 350 mA 30 VDC 1.75 A 20 A 400 mOhms 1206 (3216 metric) - 40 C + 125 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 60V 100MA-HD 10A SMD
Datasheet
17,993In Stock
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 33V 750MA-HD 100A 1812
Datasheet
6,738In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

miniASMD SMD/SMT SMD/SMT 750 mA 33 VDC 1.6 A 100 A 390 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC .5A 60VDC 10A 2920 AEC-Q200
Datasheet
8,221In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

ASMDC SMD/SMT SMD/SMT 500 mA 60 VDC 1 A 10 A 1.2 Ohms 2920 (7450 metric) - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1.25A 33VDC 40A 2920 AEC-Q200
Datasheet
5,914In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

ASMDC PCB Mount SMD/SMT 1.25 A 33 VDC 2.5 A 40 A 250 mOhms - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1.85A 33VDC 40A 2920 AEC-Q200
Datasheet
10,205In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

ASMDC SMD/SMT SMD/SMT 1.85 A 33 VDC 3.7 A 40 A 150 mOhms 2920 (7450 metric) - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 3A 24VDC 40A 2920 AEC-Q200
Datasheet
6,183In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

ASMDC PCB Mount SMD/SMT 3 A 24 VDC 6 A 40 A 72 mOhms - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel