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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Resettable Fuses - PPTC +24 VOLT ELECTRONIC FUSE NIS4461MT1TXG onsemi 1: $2.37 6,575In Stock	Mfr. Part # NIS4461MT1TXG Mouser Part # 863-NIS4461MT1TXG	onsemi	Resettable Fuses - PPTC +24 VOLT ELECTRONIC FUSE Learn More about onsemi on semiconductor nis4461 efuse	Datasheet	6,575In Stock	Cut Tape $2.37 $1.61 $1.59 $1.43 View Reel $1.21 $1.36 $1.28 $1.24 $1.21 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Resettable Fuses - PPTC 3V ELECTRONIC FUSE NIS6432MT1TWG onsemi 1: $1.37 4,508In Stock	Mfr. Part # NIS6432MT1TWG Mouser Part # 863-NIS6432MT1TWG	onsemi	Resettable Fuses - PPTC 3V ELECTRONIC FUSE Learn More about onsemi on semi nis64x2 fuses	Datasheet	4,508In Stock	Cut Tape $1.37 $0.919 $0.879 $0.81 Reel $0.681 View $0.761 $0.721 $0.693 $0.663 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 5V ELECTRONIC FUSE NIS6452MT2TWG onsemi 1: $1.82 6,292In Stock	Mfr. Part # NIS6452MT2TWG Mouser Part # 863-NIS6452MT2TWG	onsemi	Resettable Fuses - PPTC 5V ELECTRONIC FUSE Learn More about onsemi on semi nis64x2 fuses	Datasheet	6,292In Stock	Cut Tape $1.82 $1.22 $1.19 $1.09 Reel $0.91 View $1.02 $0.97 $0.936 $0.891	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: $1.54 3,635In Stock	Mfr. Part # NIV1241MTWTAG Mouser Part # 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 $1.54 $0.995 $0.823 $0.726 View Reel $0.455 $0.587 $0.469 $0.455	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes WDFN10 ESD PROTECTIO NIV2161MTTAG onsemi 1: $1.99 20,241In Stock	Mfr. Part # NIV2161MTTAG Mouser Part # 863-NIV2161MTTAG	onsemi	ESD Protection Diodes / TVS Diodes WDFN10 ESD PROTECTIO Learn More about onsemi efuses	Datasheet	20,241In Stock	Cut Tape $1.99 $1.25 $0.999 $0.834 View Reel $0.534 $0.65 $0.648 $0.534 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT5TXG onsemi 1: $1.53 4,378In Stock	Mfr. Part # NIS5420MT5TXG Mouser Part # 863-NIS5420MT5TXG	onsemi	Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE Learn More about onsemi on semiconductor nis5x2x efuses	Datasheet	4,378In Stock	Cut Tape $1.53 $1.02 $0.901 $0.846 Reel $0.804 View $0.814 $0.805 $0.736 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT7TXG onsemi 1: $1.49 5,597In Stock	Mfr. Part # NIS5420MT7TXG Mouser Part # 863-NIS5420MT7TXG	onsemi	Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE Learn More about onsemi on semiconductor nis5x2x efuses	Datasheet	5,597In Stock	Cut Tape $1.49 $0.986 $0.875 $0.822 Reel $0.731 View $0.79 $0.781 $0.715 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Power Switch ICs - Power Distribution 5V ELECTRONIC FUSE NIV6150MT2TXG onsemi 1: $1.39 2,963In Stock	Mfr. Part # NIV6150MT2TXG Mouser Part # 863-NIV6150MT2TXG	onsemi	Power Switch ICs - Power Distribution 5V ELECTRONIC FUSE Learn More about onsemi on semi nis6150 niv6150 efuses	Datasheet	2,963In Stock	Cut Tape $1.39 $1.01 $0.914 $0.808 Reel $0.675 View $0.757 $0.727 $0.694 $0.659 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 12 V Electronic Fuse NIS5132MN2TXG onsemi 1: $1.61 10,000In Stock NRND	Mfr. Part # NIS5132MN2TXG Mouser Part # 863-NIS5132MN2TXG NRND	onsemi	Resettable Fuses - PPTC 12 V Electronic Fuse Learn More about onsemi efuses	Datasheet	10,000In Stock	Cut Tape $1.61 $1.28 $1.06 $0.94 View Reel $0.622 $0.855 $0.779 $0.718 $0.66 $0.622 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Resettable Fuses - PPTC 5.0V Electronic Fuse NIS5135MN1TXG onsemi 1: $1.51 1,133In Stock NRND	Mfr. Part # NIS5135MN1TXG Mouser Part # 863-NIS5135MN1TXG NRND	onsemi	Resettable Fuses - PPTC 5.0V Electronic Fuse Learn More about onsemi efuses	Datasheet	1,133In Stock	Cut Tape $1.51 $1.16 $0.956 $0.88 Reel $0.569 View $0.791 $0.73 $0.673 $0.531 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT6TXG onsemi 1: $1.68 1,208In Stock NRND	Mfr. Part # NIS5420MT6TXG Mouser Part # 863-NIS5420MT6TXG NRND	onsemi	Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE Learn More about onsemi on semiconductor nis5x2x efuses	Datasheet	1,208In Stock	Cut Tape $1.68 $1.12 $1.08 $0.997 Reel $0.833 $0.815	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +24 VOLT ELECTRONIC FUSE NIS4461MT3TXG onsemi 1: $2.39 582In Stock 12,000Expected 11/10/2026	Mfr. Part # NIS4461MT3TXG Mouser Part # 863-NIS4461MT3TXG	onsemi	Resettable Fuses - PPTC +24 VOLT ELECTRONIC FUSE Learn More about onsemi on semiconductor nis4461 efuse	Datasheet	582In Stock 12,000Expected 11/10/2026	Cut Tape $2.39 $1.62 $1.45 $1.37 $1.33 Reel $1.22 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,070 : 3,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT1TXG onsemi 1: $1.49 1,204In Stock	Mfr. Part # NIS5420MT1TXG Mouser Part # 863-NIS5420MT1TXG	onsemi	Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE Learn More about onsemi on semiconductor nis5x2x efuses	Datasheet	1,204In Stock	Cut Tape $1.49 $0.987 $0.876 $0.823 Reel $0.731 View $0.791 $0.715 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE NIS5420MT4TXG onsemi 1: $1.99 159In Stock 18,000On Order	Mfr. Part # NIS5420MT4TXG Mouser Part # 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. #: NIS5420MT4TXG Stock: 159 Can Ship Immediately On Order: 3,000 Expected 12/29/2027 12,000 Expected 2/9/2028 3,000 Expected 4/12/2028 Factory Lead-Time: 52 Weeks	Cut Tape $1.99 $1.51 $1.34 $1.20 View Reel $0.84 $1.09 $1.00 $0.951 $0.84	Min.: 1 Mult.: 1 Max.: 4,080 : 3,000
Resettable Fuses - PPTC 5V ELECTRONIC FUSE NIS6432MT2TWG onsemi 1: $1.57 480In Stock	Mfr. Part # NIS6432MT2TWG Mouser Part # 863-NIS6432MT2TWG	onsemi	Resettable Fuses - PPTC 5V ELECTRONIC FUSE Learn More about onsemi on semi nis64x2 fuses	Datasheet	480In Stock	Cut Tape $1.57 $1.04 $0.92 $0.864 Reel $0.724 View $0.831 $0.816 $0.709	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Auto Data Line ESD P NIV1161MTTAG onsemi 1: $1.48 212In Stock 3,000Expected 12/15/2026	Mfr. Part # NIV1161MTTAG Mouser Part # 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 3,000Expected 12/15/2026	Cut Tape $1.48 $0.85 $0.75 $0.61 $0.579 Reel $0.509 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Resettable Fuses - PPTC 12 V Electronic Fuse NIS5132MN1TXG onsemi 1: $1.65 223In Stock 6,000Expected 1/1/2027 NRND	Mfr. Part # NIS5132MN1TXG Mouser Part # 863-NIS5132MN1TXG NRND	onsemi	Resettable Fuses - PPTC 12 V Electronic Fuse Learn More about onsemi efuses	Datasheet	223In Stock 6,000Expected 1/1/2027	Cut Tape $1.65 $1.31 $1.09 $0.966 View Reel $0.609 $0.878 $0.801 $0.738 $0.678 $0.609 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Resettable Fuses - PPTC 5V ELECTRONIC FUSE AUTO NIS6150MT2TXG onsemi 1: $1.94 2,509Expected 11/20/2026	Mfr. Part # NIS6150MT2TXG Mouser Part # 863-NIS6150MT2TXG	onsemi	Resettable Fuses - PPTC 5V ELECTRONIC FUSE AUTO Learn More about onsemi on semi nis6150 niv6150 efuses	Datasheet	2,509Expected 11/20/2026	Cut Tape $1.94 $1.56 $1.26 $1.12 View Reel $0.718 $1.04 $0.909 $0.811 $0.718 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 5V ELECTRONIC FUSE NIS6452MT1TWG onsemi 3,000: $0.927 30,000Factory Stock Available	Mfr. Part # NIS6452MT1TWG Mouser Part # 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 $0.927	Min.: 3,000 Mult.: 3,000 : 3,000
Resettable Fuses - PPTC 5.0V Electronic Fuse NIS5135MN2TXG onsemi 1: $1.51 3,000Factory Stock Available NRND	Mfr. Part # NIS5135MN2TXG Mouser Part # 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 $1.51 $1.16 $0.956 $0.88 View Reel $0.559 $0.791 $0.73 $0.673 $0.559 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

Electronic Fuses (eFuses)

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Electronic Fuses (eFuses)

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