1812L POLY-FUSE® PTC Resettable Fuses

Littelfuse 1812L POLY-FUSE® PTC Resettable Fuses provide overcurrent protection for applications where resettable protection is desired. The compact fuses offer fast response time to fault currents and feature low resistance. Littelfuse 1812L POLY-FUSE PTC Resettable Fuses applications include plug-and-play protection for motherboards and peripherals, USB peripherals, PCI cards, and game console port protection.

Results: 33
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Description Datasheet Availability Pricing (INR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
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Termination Style
Hold Current
Maximum Voltage
Trip Current
Current Rating - Max
Resistance
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Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Littelfuse Resettable Fuses - PPTC 33V 1812 .750A POLYFUSE
Datasheet
51,611In Stock
1,500Expected 16-09-2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

1812L PCB Mount SMD/SMT 750 mA 33 VDC 1.5 A 20 A 400 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 33V 1.10A POLY SURF MOUNT
Datasheet
1,14,043In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

1812L PCB Mount SMD/SMT 1.1 A 33 VDC 1.95 A 20 A 200 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 0.14A 60V 1812
Datasheet
16,541In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

1812L SMD/SMT SMD/SMT 140 mA 60 VDC 340 mA 10 A 6 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 60V 0.20A 1812 PTC POLY SMT
Datasheet
3,759In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

1812L SMD/SMT SMD/SMT 200 mA 60 VDC 400 mA 40 A 4.4 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 30V 1812 .200A POLYFUSE
Datasheet
11,512In Stock
14,000Expected 23-12-2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

1812L PCB Mount SMD/SMT 200 mA 30 V 400 mA 100 A 5 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 30V POLY 1812 HALOGEN-FREE .35A
Datasheet
7,536In Stock
13,500Expected 08-09-2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

1812L SMD/SMT SMD/SMT 350 mA 30 VDC 750 mA 40 A 1.7 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 30V POLY SURF MOUNT 1812 .500A
Datasheet
10,303In Stock
22,000Expected 07-12-2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

1812L SMD/SMT SMD/SMT 500 mA 30 VDC 1 A 100 A 1 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 60V 500MA-HD 100A SMD
Datasheet
26,708In Stock
14,000Expected 17-11-2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

1812L PCB Mount SMD/SMT 500 mA 60 VDC 1 A 10 A 1 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel


Littelfuse Resettable Fuses - PPTC 60V 500MA-HD 100A SMD
Datasheet
1,793In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

1812L SMD/SMT SMD/SMT 500 mA 60 VDC 1 A 10 A 1 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 24V 1812 .750A POLYFUSE
Datasheet
4,941In Stock
13,500Expected 04-11-2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

1812L SMD/SMT SMD/SMT 750 mA 24 VDC 1.5 A 100 A 290 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 16V 1812 1.10A POLYFUSE
Datasheet
26,289In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

1812L PCB Mount SMD/SMT 1.1 A 16 VDC 1.95 A 100 A 180 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 12V 1812 1.50A POLYFUSE
Datasheet
5,646In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

1812L SMD/SMT SMD/SMT 1.5 A 12 VDC 3 A 100 A 110 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 24V 1.5A-HD 40A MAX
Datasheet
12,692In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

1812L PCB Mount 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 12V 1812 PTC POLY SMT
Datasheet
3,005In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

1812L SMD/SMT SMD/SMT 2 A 12 VDC 3.5 A 100 A 70 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 16V 2.00A 1812 PTC POLY SMT
Datasheet
24,216In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

1812L PCB Mount SMD/SMT 2 A 16 VDC 3.5 A 100 A 70 mOhms - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 8V 1812 2.6A 8V 1812 2.6A
Datasheet
7,182In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

1812L PCB Mount SMD/SMT 2.6 A 8 VDC 5.2 A 100 A 47 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
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 0.10A 1812 PTC POLY SMT
Datasheet
859In Stock
1,500Expected 15-09-2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

1812L PCB Mount SMD/SMT 100 mA 60 VDC 300 mA 10 A 15 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 60V 350MA-HD 10A SMD
Datasheet
5,409In Stock
16,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

1812L PCB Mount SMD/SMT 350 mA 60 VDC 700 mA 10 A 1.7 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1812 15V .5A
Datasheet
1,753In Stock
8,000Expected 27-10-2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

1812L SMD/SMT SMD/SMT 500 mA 15 VDC 1 A 100 A 1 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1812 13.2V 0.75A
Datasheet
4,336In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

1812L SMD/SMT SMD/SMT 750 mA 13.2 VDC 1.5 A 100 A 450 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 24V POLY 1812 HALOGEN-FREE 1.10A
Datasheet
81In Stock
9,000Expected 22-10-2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

1812L PCB Mount SMD/SMT 1.1 A 24 VDC 1.95 A 20 A 200 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1812 8V 1.1A
Datasheet
6,200In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

1812L 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 PTC 16V POLY 1812 HALOGEN-FREE 1.25A
Datasheet
2,694In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

1812L SMD/SMT SMD/SMT 1.25 A 16 VDC 2.5 A 100 A 140 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 6V 1812 1.25A POLY SURF MOUNT
Datasheet
3,406In Stock
4,000Expected 29-10-2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

1812L PCB Mount 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