Fast-Blow Glass Fuse 5x20mm F 0.5A
Part number: F5X20Inductors, Crystals & Fuses
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Prices updated: 13 Oct 2026
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About this product
Fast-blow glass fuse in the 5x20 mm (F5x20) format, rated at 0.5 A. It protects low-current circuits, sensors and electronic projects from overcurrent by opening when the current exceeds its rating. It fits standard 5x20 mm fuse holders.
Specifications
- Type
- Fast blow (F)
- Body
- Glass
- Size
- 5 x 20 mm (F5x20)
- Current rating
- 0.5 A
Frequently asked questions
Which fuse holder does this fuse need?
It fits standard 5x20 mm fuse holders, both panel-mount and inline types.
How do I choose the right rating?
Choose a rating above the normal operating current of your circuit but below the maximum current your wiring and components can handle. Also confirm that the fuse's voltage rating suits your circuit, as the listing does not state it.