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 (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 12V 1812 1.50A POLYFUSE
Datasheet
4.437In Stock
Cut Tape
Rp11.375
Rp9.668
Rp8.439
Rp7.448
Reel
Rp4.953
View
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 8V 1.5A
Datasheet
3.708In Stock
Cut Tape
Rp10.090
Rp8.678
Rp7.724
Rp7.063
View
Reel
Rp4.385
MouseReel Available
Min.: 1
Mult.: 1
: 2.000
1812L SMD/SMT SMD/SMT 1.5 A 8 VDC 3 A 100 A 110 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 12V 1.60A POLY SURF MOUNT
Datasheet
1.490In Stock
1.500Expected 02/02/2027
Cut Tape
Rp11.375
Rp10.365
Rp8.604
Rp7.944
Reel
Rp4.953
View
MouseReel Available
Min.: 1
Mult.: 1
: 1.500
1812L PCB Mount SMD/SMT 1.6 A 12 VDC 2.8 A 100 A 100 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 1812 6V 1.6A
Datasheet
3.282In Stock
Cut Tape
Rp9.907
Rp8.641
Rp7.485
Rp6.550
Reel
Rp5.008
View
MouseReel Available
Min.: 1
Mult.: 1
: 2.000
1812L SMD/SMT SMD/SMT 1.6 A 8 VDC 2.8 A 100 A 100 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 8V 1812 2.0A POLYFUSE SMD THIN
Datasheet
1.107In Stock
6.000Expected 09/03/2027
Cut Tape
Rp11.008
Rp9.944
Rp8.366
Rp7.504
View
Reel
Rp4.807
MouseReel Available
Min.: 1
Mult.: 1
: 2.000
1812L SMD/SMT SMD/SMT 2 A 8 VDC 3.5 A 100 A 70 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC PTC 12V POLY SURF MOUNT 1812 2.6A
Datasheet
2.534In Stock
Cut Tape
Rp18.896
Rp16.365
Rp13.870
Rp12.879
Reel
Rp8.733
View
MouseReel Available
Min.: 1
Mult.: 1
: 1.000
1812L SMD/SMT SMD/SMT 2.6 A 12 VDC 5 A 100 A 55 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel
Littelfuse Resettable Fuses - PPTC 60V 0.10A 1812 PTC POLY SMT
Datasheet
4.500Expected 31/12/2026
Cut Tape
Rp35.224
Rp28.436
Rp24.217
Rp23.299
View
Reel
Rp17.282
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 16V 1.50A 1812 PTC Poly Halo-Free
Datasheet
5.963Expected 01/12/2026
Cut Tape
Rp11.375
Rp9.980
Rp8.604
Rp7.944
Reel
Rp5.247
View
MouseReel Available
Min.: 1
Mult.: 1
: 1.500
1812L SMD/SMT SMD/SMT 1.5 A 16 VDC 2.8 A 100 A 110 mOhms 1812 (4532 metric) - 40 C + 85 C Reel, Cut Tape, MouseReel