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
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) 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 Packaging
Littelfuse Resettable Fuses - PPTC PTC 30V POLY 1812 HALOGEN-FREE .35A 18.668In Stock
Cut Tape
Rp35.224
Rp31.739
Rp26.969
Rp24.584
Reel
Rp15.172
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 33V 1.10A POLY SURF MOUNT 168.960In Stock
Cut Tape
Rp11.375
Rp10.365
Rp8.604
Rp7.944
Reel
Rp5.192
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 PTC 30V .100A POLY SURF MOUNT 42.253In Stock
Cut Tape
Rp10.457
Rp9.155
Rp7.907
Rp7.100
Reel
Rp4.568
Min.: 1
Mult.: 1
: 1.500
1812L PCB Mount SMD/SMT 100 mA 30 VDC 300 mA 100 A 15 Ohms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 0.14A 60V 1812 15.329In Stock
Cut Tape
Rp9.907
Rp9.008
Rp7.485
Rp6.898
Reel
Rp4.568
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 4.383In Stock
Cut Tape
Rp17.429
Rp17.282
Reel
Rp17.282
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 166In Stock
Cut Tape
Rp9.907
Rp8.879
Rp7.485
Rp6.898
Reel
Rp4.220
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 60V 350MA-HD 10A SMD 15.249In Stock
Cut Tape
Rp18.713
Rp17.154
Rp13.925
Rp12.916
Reel
Rp9.100
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 PTC 30V POLY SURF MOUNT 1812 .500A 15.343In Stock
20.000Expected 22/03/2027
Cut Tape
Rp20.181
Rp17.098
Rp15.025
Rp13.283
Reel
Rp8.714
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 21.773In Stock
36.000Expected 10/02/2027
Cut Tape
Rp18.713
Rp17.154
Rp14.236
Rp13.136
Reel
Rp8.586
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 2.450In Stock
Cut Tape
Rp32.839
Rp30.271
Rp25.134
Rp23.299
Reel
Rp16.071
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 1812 15V .5A 6.247In Stock
10.000Expected 07/01/2027
Cut Tape
Rp10.457
Rp9.393
Rp7.907
Rp6.953
Reel
Rp4.421
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 24V 1812 .750A POLYFUSE 40.727In Stock
Cut Tape
Rp12.475
Rp11.411
Rp9.485
Rp8.751
Reel
Rp5.779
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 33V 1812 .750A POLYFUSE 28.395In Stock
Cut Tape
Rp12.475
Rp10.787
Rp9.485
Rp8.751
Reel
Rp5.485
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 16V 1812 1.10A POLYFUSE 19.949In Stock
Cut Tape
Rp11.375
Rp10.365
Rp8.604
Rp7.944
Reel
Rp4.953
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 PTC 24V POLY 1812 HALOGEN-FREE 1.10A 6.954In Stock
Cut Tape
Rp14.310
Rp11.301
Rp10.035
Rp8.769
Reel
Rp6.146
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 24V 1.5A-HD 40A MAX 23.559In Stock
Cut Tape
Rp13.209
Rp11.466
Rp10.090
Rp8.953
Reel
Rp6.091
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 1.592In Stock
Cut Tape
Rp35.224
Rp32.656
Rp26.969
Rp24.767
Reel
Rp17.282
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 16.949In Stock
Cut Tape
Rp18.896
Rp17.209
Rp14.475
Rp13.227
Reel
Rp8.714
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 16V POLY SURF 6.861In Stock
Cut Tape
Rp24.033
Rp18.273
Rp17.979
Rp15.539
Reel
Rp10.751
Min.: 1
Mult.: 1
: 1.000
1812L SMD/SMT SMD/SMT 2.6 A 16 VDC 5 A 100 A 50 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 8V 1812 2.6A 8V 1812 2.6A 5.662In Stock
Cut Tape
Rp11.008
Rp9.778
Rp8.402
Rp7.467
Reel
Rp4.843
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 1.572In Stock
Cut Tape
Rp35.224
Rp32.656
Rp26.969
Rp24.951
Reel
Rp17.282
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 1812 13.2V 0.75A 803In Stock
8.000Expected 09/03/2027
Cut Tape
Rp10.090
Rp9.301
Rp7.724
Rp7.137
Reel
Rp4.385
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 1812 8V 1.1A 4.376In Stock
8.000Expected 27/01/2027
Cut Tape
Rp8.439
Rp7.283
Rp6.384
Rp5.907
Reel
Rp3.577
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 5.553In Stock
Cut Tape
Rp10.274
Rp8.733
Rp7.669
Rp6.715
Reel
Rp4.495
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 3.406In Stock
4.000Expected 09/02/2027
Cut Tape
Rp11.375
Rp10.365
Rp8.604
Rp7.944
Reel
Rp4.935
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