Electronic Fuses

Electronic fuses, or eFuses as they are also known, are small integrated circuits (ICs) that are used to replace a conventional style fuse within a device. Electronic fuses operate in a similar way to that of a conventional fuse. The eFuse is connected to the main power within a device and features a switch with low on-resistance capabilities allowing the eFuse to operate when an overcurrent or overvoltage is detected.

The compact form of an electric fuse is found within a plastic casing often in conventional package types such as DFN. A variety of voltage and current ranges along with various pin count options allows for any device to be well protected.

Dissimilar to a conventional fuse, electronic fuses can act much faster and with much more precision to ensure all devices and their circuitry are safe from this type of failure. Electronic fuses also do not need replacing after being engaged.

Where can I use an Electronic Fuse?

  • Hot-swap network boards
  • Server units
  • Hard Disk and Solid-State drive arrays

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Description Price Maximum Operating Current Maximum Input Voltage Minimum Input Voltage Number of Channels Current Limit
RS Stock No. 204-9957
Mfr. Part No.STEF12H60PUR
$7.11
Each (In a Pack of 2)
units
60A 18 V 5 V 1 Adjustable
RS Stock No. 204-9954
Mfr. Part No.STEF12H60APUR
$7.11
Each (In a Pack of 2)
units
60A 18 V 5 V 1 Adjustable
New
RS Stock No. 218-4853
Mfr. Part No.STEF12SGR
$0.652
Each (On a Reel of 3000)
units
3.5A 10 V 0.3 V 1 Fixed
New
RS Stock No. 218-4854
Mfr. Part No.STEF12SGR
$1.486
Each (In a Pack of 10)
units
3.5A 10 V 0.3 V 1 Fixed
RS Stock No. 204-9953
Mfr. Part No.STEF12H60APUR
$3.722
Each (On a Reel of 3000)
units
60A 18 V 5 V 1 Adjustable
RS Stock No. 204-9955
Mfr. Part No.STEF12H60PUR
$3.722
Each (On a Reel of 3000)
units
60A 18 V 5 V 1 Adjustable