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Electronic Fuses (eFuses)

onsemi Electronic Fuses (eFuses) offer an all-integrated solution providing overcurrent, overvoltage, over-temperature, reverse polarity, and inrush current protection. onsemi eFuses range from 3V up to 12V, supporting a continuous current from 1A up to 12A. The integrated overcurrent, overtemperature, overvoltage, and inrush current protection, along with the ability to report fault and disable the output through GPIO, make this device suitable for protecting any system and supporting a compact board layout.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Resettable Fuses - PPTC +24 VOLT ELECTRONIC FUSE NIS4461MT1TXG onsemi 1: £1.42 6,556In Stock	Mfr. Part No. NIS4461MT1TXG Mouser Part No 863-NIS4461MT1TXG	onsemi	Resettable Fuses - PPTC +24 VOLT ELECTRONIC FUSE Learn More about onsemi on semiconductor nis4461 efuse	Datasheet	6,556In Stock	Cut Tape £1.42 £1.05 £0.96 £0.925 £0.908 Reel £0.908 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 3V ELECTRONIC FUSE NIS6432MT1TWG onsemi 1: £0.811 4,489In Stock	Mfr. Part No. NIS6432MT1TWG Mouser Part No 863-NIS6432MT1TWG	onsemi	Resettable Fuses - PPTC 3V ELECTRONIC FUSE Learn More about onsemi on semi nis64x2 fuses	Datasheet	4,489In Stock	Cut Tape £0.811 £0.588 £0.577 £0.537 View Reel £0.498 £0.512 £0.498 £0.498 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 5V ELECTRONIC FUSE NIS6452MT2TWG onsemi 1: £1.08 6,282In Stock	Mfr. Part No. NIS6452MT2TWG Mouser Part No 863-NIS6452MT2TWG	onsemi	Resettable Fuses - PPTC 5V ELECTRONIC FUSE Learn More about onsemi on semi nis64x2 fuses	Datasheet	6,282In Stock	Cut Tape £1.08 £0.788 £0.78 £0.725 View Reel £0.673 £0.692 £0.673 £0.673	Min.: 1 Mult.: 1 : 3,000
Power Switch ICs - Power Distribution 5V ELECTRONIC FUSE NIV6150MT2TXG onsemi 1: £0.96 2,948In Stock	Mfr. Part No. NIV6150MT2TXG Mouser Part No 863-NIV6150MT2TXG	onsemi	Power Switch ICs - Power Distribution 5V ELECTRONIC FUSE Learn More about onsemi on semi nis6150 niv6150 efuses	Datasheet	2,948In Stock	Cut Tape £0.96 £0.699 £0.633 £0.56 Reel £0.464 View £0.526 £0.505 £0.477 £0.454 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 24V Low Capacitance ESD Protection with short to battery blocking onsemi NIV1241MTWTAG NIV1241MTWTAG onsemi 1: £1.09 3,652In Stock	Mfr. Part No. NIV1241MTWTAG Mouser Part No 863-NIV1241MTWTAG	onsemi	ESD Protection Diodes / TVS Diodes 24V Low Capacitance ESD Protection with short to battery blocking Learn More about onsemi on semi niv1x esd suppressors	Datasheet	3,652In Stock	Cut Tape £1.09 £0.711 £0.595 £0.537 Reel £0.333 View £0.441 £0.346 £0.329 £0.309	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +24 VOLT ELECTRONIC FUSE NIS4461MT3TXG onsemi 1: £2.13 1,082In Stock 12,000Expected 10/11/2026	Mfr. Part No. NIS4461MT3TXG Mouser Part No 863-NIS4461MT3TXG	onsemi	Resettable Fuses - PPTC +24 VOLT ELECTRONIC FUSE Learn More about onsemi on semiconductor nis4461 efuse	Datasheet	1,082In Stock 12,000Expected 10/11/2026	Cut Tape £2.13 £1.67 £1.45 £1.26 View Reel £0.934 £1.20 £1.09 £1.04 £0.934 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT5TXG onsemi 1: £1.15 4,378In Stock	Mfr. Part No. NIS5420MT5TXG Mouser Part No 863-NIS5420MT5TXG	onsemi	Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE Learn More about onsemi on semiconductor nis5x2x efuses	Datasheet	4,378In Stock	Cut Tape £1.15 £0.766 £0.677 £0.636 Reel £0.603 View £0.611 £0.604 £0.555 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT7TXG onsemi 1: £1.12 5,597In Stock	Mfr. Part No. NIS5420MT7TXG Mouser Part No 863-NIS5420MT7TXG	onsemi	Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE Learn More about onsemi on semiconductor nis5x2x efuses	Datasheet	5,597In Stock	Cut Tape £1.12 £0.74 £0.657 £0.617 Reel £0.549 View £0.593 £0.587 £0.538 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes WDFN10 ESD PROTECTIO NIV2161MTTAG onsemi 1: £1.49 10,209In Stock 93,000On Order	Mfr. Part No. NIV2161MTTAG Mouser Part No 863-NIV2161MTTAG	onsemi	ESD Protection Diodes / TVS Diodes WDFN10 ESD PROTECTIO Learn More about onsemi efuses	Datasheet	10,209In Stock 93,000On Order On Order Ship Dates Mfr. No: NIV2161MTTAG Stock: 10,209 Can Dispatch Immediately On Order: 18,000 Expected 16/11/2026 75,000 Expected 23/11/2026 Factory Lead Time: 30 Weeks	Cut Tape £1.49 £0.943 £0.75 £0.626 Reel £0.401 View £0.488 £0.486 £0.369 £0.366 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 12 V Electronic Fuse NIS5132MN2TXG onsemi 1: £1.20 10,000In Stock NRND	Mfr. Part No. NIS5132MN2TXG Mouser Part No 863-NIS5132MN2TXG NRND	onsemi	Resettable Fuses - PPTC 12 V Electronic Fuse Learn More about onsemi efuses	Datasheet	10,000In Stock	Cut Tape £1.20 £0.96 £0.796 £0.705 View Reel £0.467 £0.642 £0.585 £0.539 £0.496 £0.467 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT6TXG onsemi 1: £1.26 1,260In Stock NRND	Mfr. Part No. NIS5420MT6TXG Mouser Part No 863-NIS5420MT6TXG NRND	onsemi	Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE Learn More about onsemi on semiconductor nis5x2x efuses	Datasheet	1,260In Stock	Cut Tape £1.26 £0.841 £0.811 £0.748 Reel £0.625 £0.615	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT1TXG onsemi 1: £1.12 1,204In Stock	Mfr. Part No. NIS5420MT1TXG Mouser Part No 863-NIS5420MT1TXG	onsemi	Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE Learn More about onsemi on semiconductor nis5x2x efuses	Datasheet	1,204In Stock	Cut Tape £1.12 £0.741 £0.657 £0.618 Reel £0.549 View £0.594 £0.538 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT4TXG onsemi 1: £1.49 159In Stock 45,000On Order	Mfr. Part No. NIS5420MT4TXG Mouser Part No 863-NIS5420MT4TXG	onsemi	Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE Learn More about onsemi on semiconductor nis5x2x efuses	Datasheet	159In Stock 45,000On Order On Order Ship Dates Mfr. No: NIS5420MT4TXG Stock: 159 Can Dispatch Immediately On Order: 3,000 Expected 29/12/2027 12,000 Expected 09/02/2028 3,000 Expected 12/04/2028 27,000 TBD Factory Lead Time: 52 Weeks	Cut Tape £1.49 £1.13 £1.00 £0.899 View Reel £0.63 £0.818 £0.751 £0.696 £0.63	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 5V ELECTRONIC FUSE NIS6432MT2TWG onsemi 1: £1.18 480In Stock	Mfr. Part No. NIS6432MT2TWG Mouser Part No 863-NIS6432MT2TWG	onsemi	Resettable Fuses - PPTC 5V ELECTRONIC FUSE Learn More about onsemi on semi nis64x2 fuses	Datasheet	480In Stock	Cut Tape £1.18 £0.78 £0.691 £0.649 Reel £0.544 View £0.624 £0.613 £0.533	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Auto Data Line ESD P NIV1161MTTAG onsemi 1: £1.11 212In Stock 9,000On Order	Mfr. Part No. NIV1161MTTAG Mouser Part No 863-NIV1161MTTAG	onsemi	ESD Protection Diodes / TVS Diodes Auto Data Line ESD P Learn More about onsemi on semi niv1x esd suppressors	Datasheet	212In Stock 9,000On Order On Order Ship Dates Mfr. No: NIV1161MTTAG Stock: 212 Can Dispatch Immediately On Order: 3,000 Expected 18/11/2026 6,000 Expected 12/03/2027 Factory Lead Time: 31 Weeks	Cut Tape £1.11 £0.638 £0.563 £0.458 Reel £0.382 View £0.435 £0.351 £0.347 £0.346 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 12 V Electronic Fuse NIS5132MN1TXG onsemi 1: £1.07 223In Stock 6,000Expected 01/01/2027 NRND	Mfr. Part No. NIS5132MN1TXG Mouser Part No 863-NIS5132MN1TXG NRND	onsemi	Resettable Fuses - PPTC 12 V Electronic Fuse Learn More about onsemi efuses	Datasheet	223In Stock 6,000Expected 01/01/2027	Cut Tape £1.07 £0.882 £0.742 £0.673 View Reel £0.457 £0.621 £0.574 £0.536 £0.50 £0.457 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Resettable Fuses - PPTC 5.0V Electronic Fuse NIS5135MN1TXG onsemi 1: £1.13 133In Stock NRND	Mfr. Part No. NIS5135MN1TXG Mouser Part No 863-NIS5135MN1TXG NRND	onsemi	Resettable Fuses - PPTC 5.0V Electronic Fuse Learn More about onsemi efuses	Datasheet	133In Stock	Cut Tape £1.13 £0.871 £0.718 £0.661 Reel £0.426 View £0.594 £0.548 £0.505 £0.399 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 5V ELECTRONIC FUSE AUTO NIS6150MT2TXG onsemi 1: £1.25 1,509Expected 20/11/2026	Mfr. Part No. NIS6150MT2TXG Mouser Part No 863-NIS6150MT2TXG	onsemi	Resettable Fuses - PPTC 5V ELECTRONIC FUSE AUTO Learn More about onsemi on semi nis6150 niv6150 efuses	Datasheet	1,509Expected 20/11/2026	Cut Tape £1.25 £1.17 £0.943 £0.796 View Reel £0.539 £0.743 £0.663 £0.60 £0.539 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 5V ELECTRONIC FUSE NIS6452MT1TWG onsemi 3,000: £0.691 30,000Factory Stock Available	Mfr. Part No. NIS6452MT1TWG Mouser Part No 863-NIS6452MT1TWG	onsemi	Resettable Fuses - PPTC 5V ELECTRONIC FUSE Learn More about onsemi on semi nis64x2 fuses	Datasheet	30,000Factory Stock Available More Info Available	Reel £0.691	Min.: 3,000 Mult.: 3,000 : 3,000
Resettable Fuses - PPTC 5.0V Electronic Fuse NIS5135MN2TXG onsemi 3,000: £0.419 Non-Stocked Lead-Time 26 Weeks NRND	Mfr. Part No. NIS5135MN2TXG Mouser Part No 863-NIS5135MN2TXG NRND	onsemi	Resettable Fuses - PPTC 5.0V Electronic Fuse Learn More about onsemi efuses	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel £0.419	Min.: 3,000 Mult.: 3,000 : 3,000

Electronic Fuses (eFuses)

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Electronic Fuses (eFuses)

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