F5x20 Fast-Blow Glass Fuse 9 A, 5x20 mm
Part number: F5x20 9AInductors, Crystals & Fuses
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Prices updated: 14 Oct 2026
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About this product
A fast-blow glass-body fuse measuring 5 x 20 mm with a 9 A rating. It protects electronic circuits and power supplies from overcurrent by opening quickly when current exceeds its rating. It fits standard 5 x 20 mm fuse holders.
Specifications
- Type
- Fast-blow (F)
- Size
- 5 x 20 mm
- Rated current
- 9 A
- Body
- Glass
Frequently asked questions
How do I choose the right rating?
Choose a rating slightly above the circuit's normal operating current, and below the maximum current that the wiring and components can safely carry.
Where should the fuse be placed?
Place it in series with the positive supply line, close to the power input, so it protects the rest of the circuit.