Resettable Fuses - PPTC

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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.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Mounting Style	Termination Style	Hold Current	Maximum Voltage	Trip Current	Current Rating - Max	Resistance	Package / Case	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Resettable Fuses - PPTC 60V 0.20A 1812 PTC POLY SMT 1812L020/60DR Littelfuse 1: $878 3.566In Stock	Mfr. Part # 1812L020/60DR Mouser Part # 576-1812L020/60DR	Littelfuse	Resettable Fuses - PPTC 60V 0.20A 1812 PTC POLY SMT Learn More about Littelfuse 1812l fuses	Datasheet	3.566In Stock	Cut Tape $878 $868 Reel $868 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
Resettable Fuses - PPTC 12V 1812 1.50A POLYFUSE 1812L150/12DR Littelfuse 1: $571 5.556In Stock	Mfr. Part # 1812L150/12DR Mouser Part # 576-1812L150/12DR	Littelfuse	Resettable Fuses - PPTC 12V 1812 1.50A POLYFUSE Learn More about Littelfuse 1812l fuses	Datasheet	5.556In Stock	Cut Tape $571 $518 $471 $411 Reel $266 View $379 $346 $260 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
Resettable Fuses - PPTC PTC 30V POLY 1812 HALOGEN-FREE .35A 1812L035/30DR Littelfuse 1: $2.108 19.675In Stock	Mfr. Part # 1812L035/30DR Mouser Part # 576-1812L035/30DR	Littelfuse	Resettable Fuses - PPTC PTC 30V POLY 1812 HALOGEN-FREE .35A Learn More about Littelfuse 1812l fuses	Datasheet	19.675In Stock	Cut Tape $2.108 $1.954 $1.614 $1.482 View Reel $1.034 $1.340 $1.241 $1.034 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
Resettable Fuses - PPTC PTC 33V 1.10A POLY SURF MOUNT 1812L110/33MR Littelfuse 1: $681 91.315In Stock 104.000Expected 12/8/2026	Mfr. Part # 1812L110/33MR Mouser Part # 576-1812L110/33MR	Littelfuse	Resettable Fuses - PPTC PTC 33V 1.10A POLY SURF MOUNT Learn More about Littelfuse 1812l fuses	Datasheet	91.315In Stock 104.000Expected 12/8/2026	Cut Tape $681 $603 $515 $453 Reel $312 View $419 $393 $295 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
Resettable Fuses - PPTC 60V 0.10A 1812 PTC POLY SMT 1812L010/60DR Littelfuse 1: $2.108 1.901In Stock	Mfr. Part # 1812L010/60DR Mouser Part # 576-1812L010/60DR	Littelfuse	Resettable Fuses - PPTC 60V 0.10A 1812 PTC POLY SMT Learn More about Littelfuse 1812l fuses	Datasheet	1.901In Stock	Cut Tape $2.108 $1.625 $1.361 $1.318 View Reel $1.034 $1.230 $1.164 $1.034 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
Resettable Fuses - PPTC 0.14A 60V 1812 1812L014DR Littelfuse 1: $593 15.954In Stock	Mfr. Part # 1812L014DR Mouser Part # 576-1812L014	Littelfuse	Resettable Fuses - PPTC 0.14A 60V 1812 Learn More about Littelfuse 1812l fuses	Datasheet	15.954In Stock	Cut Tape $593 $539 $448 $411 Reel $258 View $371 $343 $253 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
Resettable Fuses - PPTC 30V 1812 .200A POLYFUSE 1812L020PR Littelfuse 1: $593 21.401In Stock	Mfr. Part # 1812L020PR Mouser Part # 576-1812L020PR	Littelfuse	Resettable Fuses - PPTC 30V 1812 .200A POLYFUSE Learn More about Littelfuse 1812l fuses	Datasheet	21.401In Stock	Cut Tape $593 $538 $448 $411 View Reel $253 $371 $343 $316 $253 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
Resettable Fuses - PPTC 60V 350MA-HD 10A SMD 1812L035/60MR Littelfuse 1: $1.120 1.601In Stock 15.000Expected 10/19/2026	Mfr. Part # 1812L035/60MR Mouser Part # 576-1812L035/60MR	Littelfuse	Resettable Fuses - PPTC 60V 350MA-HD 10A SMD Learn More about Littelfuse 1812l fuses	Datasheet	1.601In Stock 15.000Expected 10/19/2026	Cut Tape $1.120 $1.027 $816 $776 Reel $545 View $705 $650 $513 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
Resettable Fuses - PPTC 60V 500MA-HD 100A SMD 1812L050/60MR Littelfuse 1: $1.120 19.640In Stock 14.000Expected 11/17/2026	Mfr. Part # 1812L050/60MR Mouser Part # 576-1812L050/60MR	Littelfuse	Resettable Fuses - PPTC 60V 500MA-HD 100A SMD Learn More about Littelfuse 1812l fuses	Datasheet	19.640In Stock 14.000Expected 11/17/2026	Cut Tape $1.120 $1.027 $852 $786 Reel $514 View $707 $652 $513 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
Resettable Fuses - PPTC 33V 1812 .750A POLYFUSE 1812L075/33DR Littelfuse 1: $747 38.729In Stock	Mfr. Part # 1812L075/33DR Mouser Part # 576-1812L075/33DR	Littelfuse	Resettable Fuses - PPTC 33V 1812 .750A POLYFUSE Learn More about Littelfuse 1812l fuses	Datasheet	38.729In Stock	Cut Tape $747 $683 $568 $524 View Reel $328 $471 $434 $328 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
Resettable Fuses - PPTC 16V 1812 1.10A POLYFUSE 1812L110/16DR Littelfuse 1: $681 22.574In Stock	Mfr. Part # 1812L110/16DR Mouser Part # 576-1812L110/16DR	Littelfuse	Resettable Fuses - PPTC 16V 1812 1.10A POLYFUSE Learn More about Littelfuse 1812l fuses	Datasheet	22.574In Stock	Cut Tape $681 $620 $515 $475 Reel $296 View $427 $394 $295 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
Resettable Fuses - PPTC 12V 1812 PTC POLY SMT 1812L200/12DR Littelfuse 1: $2.108 2.742In Stock	Mfr. Part # 1812L200/12DR Mouser Part # 576-1812L200/12DR	Littelfuse	Resettable Fuses - PPTC 12V 1812 PTC POLY SMT Learn More about Littelfuse 1812l fuses	Datasheet	2.742In Stock	Cut Tape $2.108 $1.921 $1.614 $1.460 View Reel $1.034 $1.340 $1.241 $1.034 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
Resettable Fuses - PPTC 16V 2.00A 1812 PTC POLY SMT 1812L200/16DR Littelfuse 1: $1.131 18.264In Stock	Mfr. Part # 1812L200/16DR Mouser Part # 576-1812L200/16DR	Littelfuse	Resettable Fuses - PPTC 16V 2.00A 1812 PTC POLY SMT Learn More about Littelfuse 1812l fuses	Datasheet	18.264In Stock	Cut Tape $1.131 $1.043 $866 $799 View Reel $522 $718 $662 $522 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
Resettable Fuses - PPTC PTC 12V POLY SURF MOUNT 1812 2.6A 1812L260/12MR Littelfuse 1: $1.131 3.042In Stock	Mfr. Part # 1812L260/12MR Mouser Part # 576-1812L260/12MR	Littelfuse	Resettable Fuses - PPTC PTC 12V POLY SURF MOUNT 1812 2.6A Learn More about Littelfuse 1812l fuses	Datasheet	3.042In Stock	Cut Tape $1.131 $997 $808 $773 Reel $523 View $702 $647 $522 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
Resettable Fuses - PPTC PTC 8V 1812 2.6A 8V 1812 2.6A 1812L260THDR Littelfuse 1: $659 6.382In Stock	Mfr. Part # 1812L260THDR Mouser Part # 576-1812L260THDR	Littelfuse	Resettable Fuses - PPTC PTC 8V 1812 2.6A 8V 1812 2.6A Learn More about Littelfuse 1812l fuses	Datasheet	6.382In Stock	Cut Tape $659 $601 $503 $449 View Reel $290 $411 $381 $290 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
Resettable Fuses - PPTC PTC 30V POLY SURF MOUNT 1812 .500A 1812L050/30PR Littelfuse 1: $1.131 2.453In Stock 22.000Expected 12/1/2026	Mfr. Part # 1812L050/30PR Mouser Part # 576-1812L050/30PR	Littelfuse	Resettable Fuses - PPTC PTC 30V POLY SURF MOUNT 1812 .500A Learn More about Littelfuse 1812l fuses	Datasheet	2.453In Stock 22.000Expected 12/1/2026	Cut Tape $1.131 $1.043 $866 $799 View Reel $522 $718 $662 $608 $522 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
Resettable Fuses - PPTC 60V 500MA-HD 100A SMD 1812L050/60MR-A Littelfuse 1: $1.965 756In Stock 2.000Expected 10/6/2026	Mfr. Part # 1812L050/60MR-A Mouser Part # 576-1812L050/60MR-A	Littelfuse	Resettable Fuses - PPTC 60V 500MA-HD 100A SMD Learn More about Littelfuse 1812l fuses	Datasheet	756In Stock 2.000Expected 10/6/2026	Cut Tape $1.965 $1.812 $1.504 $1.394 Reel $961 View $1.252 $1.153 $956 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
Resettable Fuses - PPTC 24V 1812 .750A POLYFUSE 1812L075/24DR Littelfuse 1: $747 4.283In Stock 13.500Expected 10/8/2026	Mfr. Part # 1812L075/24DR Mouser Part # 576-1812L075/24DR	Littelfuse	Resettable Fuses - PPTC 24V 1812 .750A POLYFUSE Learn More about Littelfuse 1812l fuses	Datasheet	4.283In Stock 13.500Expected 10/8/2026	Cut Tape $747 $683 $568 $524 Reel $346 View $471 $434 $328 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
Resettable Fuses - PPTC 1812 13.2V 0.75A 1812L075PR Littelfuse 1: $604 3.027In Stock 8.000Expected 12/8/2026	Mfr. Part # 1812L075PR Mouser Part # 576-1812L075PR	Littelfuse	Resettable Fuses - PPTC 1812 13.2V 0.75A Learn More about Littelfuse 1812l fuses	Datasheet	3.027In Stock 8.000Expected 12/8/2026	Cut Tape $604 $557 $462 $426 Reel $281 View $384 $355 $324 $262 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
Resettable Fuses - PPTC 1812 8V 1.1A 1812L110PR Littelfuse 1: $505 4.513In Stock 8.000Expected 1/27/2027	Mfr. Part # 1812L110PR Mouser Part # 576-1812L110PRT	Littelfuse	Resettable Fuses - PPTC 1812 8V 1.1A Learn More about Littelfuse 1812l fuses	Datasheet	4.513In Stock 8.000Expected 1/27/2027	Cut Tape $505 $461 $382 $354 Reel $236 View $317 $293 $267 $216 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
Resettable Fuses - PPTC PTC 16V POLY 1812 HALOGEN-FREE 1.25A 1812L125/16DR Littelfuse 1: $615 2.669In Stock	Mfr. Part # 1812L125/16DR Mouser Part # 576-1812L125/16DR	Littelfuse	Resettable Fuses - PPTC PTC 16V POLY 1812 HALOGEN-FREE 1.25A Learn More about Littelfuse 1812l fuses	Datasheet	2.669In Stock	Cut Tape $615 $529 $469 $400 Reel $269 View $368 $344 $266 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
Resettable Fuses - PPTC PTC 6V 1812 1.25A POLY SURF MOUNT 1812L125/6PR Littelfuse 1: $714 3.406In Stock 4.000Expected 12/30/2026	Mfr. Part # 1812L125/6PR Mouser Part # 576-1812L125/6PR	Littelfuse	Resettable Fuses - PPTC PTC 6V 1812 1.25A POLY SURF MOUNT Learn More about Littelfuse 1812l fuses	Datasheet	3.406In Stock 4.000Expected 12/30/2026	Cut Tape $714 $658 $547 $498 Reel $344 View $453 $427 $383 $295 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
Resettable Fuses - PPTC 16V 1.50A 1812 PTC Poly Halo-Free 1812L150/16DR Littelfuse 1: $681 216In Stock 3.000Expected 12/8/2026	Mfr. Part # 1812L150/16DR Mouser Part # 576-1812L150/16DR	Littelfuse	Resettable Fuses - PPTC 16V 1.50A 1812 PTC Poly Halo-Free Learn More about Littelfuse 1812l fuses	Datasheet	216In Stock 3.000Expected 12/8/2026	Cut Tape $681 $605 $515 $475 Reel $296 View $427 $394 $295 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
Resettable Fuses - PPTC 24V 1.5A-HD 40A MAX 1812L150/24MR Littelfuse 1: $747 672In Stock 13.000Expected 11/24/2026	Mfr. Part # 1812L150/24MR Mouser Part # 576-1812L150/24MR	Littelfuse	Resettable Fuses - PPTC 24V 1.5A-HD 40A MAX Learn More about Littelfuse 1812l fuses	Datasheet	672In Stock 13.000Expected 11/24/2026	Cut Tape $747 $683 $570 $522 Reel $365 View $473 $436 $329 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
Resettable Fuses - PPTC 8V 1.5A 1812L150ZR Littelfuse 1: $604 4.910In Stock	Mfr. Part # 1812L150ZR Mouser Part # 576-1812L150ZR	Littelfuse	Resettable Fuses - PPTC 8V 1.5A Learn More about Littelfuse 1812l fuses	Datasheet	4.910In Stock	Cut Tape $604 $506 $462 $421 View Reel $262 $380 $351 $324 $262 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