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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 5V ELECTRONIC FUSE NIS6452MT2TWG onsemi 1: £1.37 6,292In 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	6,292In Stock	Cut Tape £1.37 £0.917 £0.766 £0.737 Reel £0.684 View £0.734 £0.673	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +24 VOLT ELECTRONIC FUSE NIS4461MT1TXG onsemi 1: £1.78 6,576In 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	6,576In Stock	Cut Tape £1.78 £1.20 £1.02 £0.995 Reel £0.908 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Resettable Fuses - PPTC 3V ELECTRONIC FUSE NIS6432MT1TWG onsemi 1: £1.05 4,508In 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	4,508In Stock	Cut Tape £1.05 £0.69 £0.574 £0.552 Reel £0.543 View £0.544 £0.498 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: £1.25 3,635In 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	3,635In Stock	Cut Tape £1.25 £0.78 £0.628 £0.534 View Reel £0.341 £0.436 £0.352 £0.341	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes WDFN10 ESD PROTECTIO NIV2161MTTAG onsemi 1: £1.49 35,834In Stock 6,000On 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	35,834In Stock 6,000On Order On Order Ship Dates Mfr. No: NIV2161MTTAG Stock: 35,834 Can Dispatch Immediately On Order: 3,000 Expected 20/10/2026 3,000 Expected 24/11/2026 Factory Lead Time: 30 Weeks	Cut Tape £1.49 £0.943 £0.75 £0.626 View Reel £0.365 £0.488 £0.41 £0.365 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Resettable Fuses - PPTC +24 VOLT ELECTRONIC FUSE NIS4461MT3TXG onsemi 1: £2.91 1,593In Stock	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	1,593In Stock	Cut Tape £2.91 £1.90 £1.38 £1.15 Reel £0.995 View £1.07 £0.917 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT5TXG onsemi 1: £2.07 4,669In 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	4,669In Stock	Cut Tape £2.07 £1.32 £0.899 £0.766 Reel £0.642 View £0.678 £0.56 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT7TXG onsemi 1: £2.01 5,994In 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	5,994In Stock	Cut Tape £2.01 £1.28 £0.871 £0.743 Reel £0.622 View £0.658 £0.544 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Power Switch ICs - Power Distribution 5V ELECTRONIC FUSE NIV6150MT2TXG onsemi 1: £1.05 2,554In 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	2,554In Stock	Cut Tape £1.05 £0.759 £0.686 £0.607 Reel £0.507 View £0.568 £0.546 £0.521 £0.495 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 12 V Electronic Fuse NIS5132MN2TXG onsemi 1: £1.70 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 £1.70 £1.08 £0.729 £0.591 Reel £0.47 View £0.529 £0.495 £0.428 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Resettable Fuses - PPTC 5.0V Electronic Fuse NIS5135MN1TXG onsemi 1: £1.73 1,216In 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	1,216In Stock	Cut Tape £1.73 £1.08 £0.716 £0.567 Reel £0.461 View £0.505 £0.443 £0.389 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT6TXG onsemi 1: £2.17 1,307In 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	1,307In Stock	Cut Tape £2.17 £1.40 £0.952 £0.773 Reel £0.699 View £0.724 £0.615	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT1TXG onsemi 1: £1.12 1,303In 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	1,303In Stock	Cut Tape £1.12 £0.741 £0.618 £0.594 Reel £0.549 £0.538 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT4TXG onsemi 1: £2.17 159In Stock 18,000On 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 18,000On Order On Order Ship Dates Mfr. No: NIS5420MT4TXG Stock: 159 Can Dispatch Immediately On Order: 3,000 Expected 06/10/2027 3,000 Expected 24/11/2027 12,000 TBD Factory Lead Time: 52 Weeks	Cut Tape £2.17 £1.40 £0.952 £0.773 £0.724 Reel £0.699	Min.: 1 Mult.: 1 Max.: 4,410 : 3,000
Resettable Fuses - PPTC 5V ELECTRONIC FUSE AUTO NIS6150MT2TXG onsemi 1: £1.96 5In Stock 3,000Expected 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	5In Stock 3,000Expected 20/11/2026	Cut Tape £1.96 £1.26 £0.856 £0.727 £0.644 Reel £0.608 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 5V ELECTRONIC FUSE NIS6432MT2TWG onsemi 1: £1.99 483In 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	483In Stock	Cut Tape £1.99 £1.27 £0.863 £0.738 Reel £0.617 View £0.652 £0.539	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Auto Data Line ESD P NIV1161MTTAG onsemi 1: £1.05 289In Stock 3,000Expected 15/12/2026	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	289In Stock 3,000Expected 15/12/2026	Cut Tape £1.05 £0.674 £0.584 £0.47 £0.435 Reel £0.376 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Resettable Fuses - PPTC 12 V Electronic Fuse NIS5132MN1TXG onsemi 1: £1.75 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 £1.75 £1.11 £0.749 £0.608 View Reel £0.509 £0.545 £0.509 £0.509 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Resettable Fuses - PPTC 5V ELECTRONIC FUSE NIS6452MT1TWG onsemi 3,000: £0.759 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 £0.759	Min.: 3,000 Mult.: 3,000 : 3,000
Resettable Fuses - PPTC 5.0V Electronic Fuse NIS5135MN2TXG onsemi 1: £1.73 3,000Factory Stock Available 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	3,000Factory Stock Available More Info Available	Cut Tape £1.73 £1.08 £0.716 £0.567 £0.505 Reel £0.461 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

Electronic Fuses (eFuses)

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Electronic Fuses (eFuses)

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