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What is an Electronic Fuse?

An electronic fuse is a low resistance resistor that provides protection in the event of a load overcurrent. Short circuits, device failure or overloading can cause a load overcurrent. In an electronic fuse, a metal wire melts in the event of an overcurrent, therefore causing an interruption in the circuit.

Types of Electronic Fuses

There are many different kinds of electronic fuses and at Future Electronics we stock many of the most common types categorized by Maximum Working Voltage, Operating Temperature Range, Size, Current Rating, Packaging type and Response Characteristic. The parametric filters on our website can help refine your search results depending on the required specifications.

The most common sizes for Maximum Working Voltage are 32 V, 125 V, 250 V and 600 V. We also carry electronic fuses with Maximum Working Voltage as high as 250000 V. Current Rating can be between 0.01 A and 500 A, with the most common electronic fuses having a Current Rating of 0.5 A, 1 A, 3 A, 4 A or 5 A.

Electronic Fuses from Future Electronics

Future Electronics has a full selection of electronic fuses of all types and sizes when looking for industrial electric fuses, a slow blow fuse, an electrical high voltage fuse or electronics fuses for an electronic fuse circuit. Simply choose from the electronic fuse technical attributes below and your search results will quickly be narrowed to match your specific electronic fuse application needs.

We deal with Cooper Bussmann, Littelfuse and Schurter, among other manufacturers. You can easily refine your electronic fuse product search results by clicking your preferred electronic fuse brand below from our list of manufacturers.

Applications for Electronic Fuses:

Electronic Fuses can be used in all types of electronic applications including:

  • Laptops
  • Cell phones
  • Game systems
  • Printers
  • Digital cameras
  • DVD players
  • Portable electronics
  • LCD monitors
  • Scanners
  • Battery packs
  • Hard disk drives

Choosing the Right Electronic Fuse:

When you are looking for the right electronic fuses, with the FutureElectronics.com parametric search, you can filter the results by various attributes: by Maximum Working Voltage (5 V, 32 V, 125 V, 250 V, 600 V,…), Response Characteristic (Fast-Acting, Time Delay, Time Lag, Slow Blow,…) and Current Rating (from 0.01 A to 500 A) to name a few. You will be able to find the right industrial electric fuses of different sizes and types when looking for an electrical high voltage fuse, a slow blow fuse or electronics fuses for any type of electronic fuse circuit.

Electronic Fuses in Production Ready Packaging or R&D Quantities

We offer customers many of our products in quantities that will avoid unneeded surplus.

In addition, Future Electronics offers clients a unique bonded inventory program that is designed to eliminate potential problems that may arise from an unpredictable supply of products containing raw metals and products with erratic or long lead times. Talk with your nearest Future Electronics branch and find out more on how you and your company can avoid possible shortages.



Featured Electronic Fuse Products


Manufacturer Part Number Description
Cooper BussmannSR-5-1A-BKTime Lag 8.4 x 7.6 mm 250 VAC 1 A Radial Lead Fuse Through Hole
Cooper BussmannBK1-S506-3-15-RTime Delay 5 x 20 mm 250 VAC 3.15 A Glass Cartridge Fuse
Cooper BussmannBK/ATC-30Fast Acting 19.3 x 12.5 mm 32 V 30 A Plug In Automotive Red Blade Fuse
Cooper BussmannBK1-S506-5-RTime Delay 5 x 20 mm 250 VAC 5 A Glass Cartridge Fuse
Cooper BussmannTR1/6125TD2-R6125TD Series Time Delay 60 V 2 A 2410 Surface Mount Brick™ Fuse
Cooper BussmannBK-AGC-3-RFast Acting 6.3 x 32 mm 250 VAC 3 A Glass Cartridge Fuse
Littelfuse0466.125NR466 Series Very Fast-Acting 125 V 0.125 A 1206 Surface Mount Thin Film Fuse
Littelfuse0453001.MR453 Series Very Fast-Acting 125 V 1 A 6.10 x 2.69 mm NANO2® Subminiature Fuse
Littelfuse0466.125NR466 Series Very Fast-Acting 125 V 0.125 A 1206 Surface Mount Thin Film Fuse
Littelfuse0SPF003.TSPF Series Fast-Acting 1000 VDC 3 A 10 x 38 mm Solar Rated Midget Fuse
Littelfuse0SPF008.TSPF Series Fast-Acting 1000 VDC 8 A 10 x 38 mm Solar Rated Midget Fuse
Littelfuse0SPF012.TSPF Series Fast-Acting 1000 VDC 12 A 10 x 38 mm Solar Rated Midget Fuse
Littelfuse0SPF025.TSPF Series Fast-Acting 1000 VDC 25 A 10 x 38 mm Solar Rated Midget Fuse
Littelfuse0SPF004.TSPF Series Fast-Acting 1000 VDC 4 A 10 x 38 mm Solar Rated Midget Fuse
Littelfuse0SPF020.TSPF Series Fast-Acting 1000 VDC 20 A 10 x 38 mm Solar Rated Midget Fuse
Littelfuse0SPF002.TSPF Series Fast-Acting 1000 VDC 2 A 10 x 38 mm Solar Rated Midget Fuse
Littelfuse0SPF005.TSPF Series Fast-Acting 1000 VDC 5 A 10 x 38 mm Solar Rated Midget Fuse
Littelfuse0216002.HXP216 Series Fast-Acting 250 V 2 A 5 x 20 mm Ceramic Cartridge Fuse
Littelfuse0216010.HXP216 Series Fast-Acting 250 V 10 A 5 x 20 mm Ceramic Cartridge Fuse
Littelfuse0216.250HXP216 Series Fast-Acting 250 V 0.25 A 5 x 20 mm Ceramic Cartridge Fuse
LittelfuseLVSP0030TX2LVSP Series Slow Blow 600 V AC 30 A Surge Fuse For TVSS Protection
Littelfuse0SPF001.TSPF Series Fast-Acting 1000 VDC 1 A 10 x 38 mm Solar Rated Midget Fuse
Schurter0034.31245 x 20 mm FST 250 V 5 A Time Lag Surface Mount Miniature Fuse
Schurter0001.25105 x 20 mm 250 V 4 A Time Lag SMT Non Resettable Miniature Fuse
Schurter0001.2507.PTSPT 5X20 FUSE 2A T

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