Engineered for dependable protection in compact electronics, the Jandorf GDA 3.15A Fast Acting Fuse arrives in a 2-pack designed for quick, precise overcurrent interruption. With a ceramic-tube construction and plated brass endcaps, these 5x20mm fuses deliver reliable performance in power supplies, control boards, and other electronic circuits operating up to 250 V.
Key specs
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Current rating: 3.15 A
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Voltage rating: 250 V
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Type: Fast Acting
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Tubing: Ceramic
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Endcaps: Plated brass
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Size: 5 mm x 20 mm
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Packaging: Carded, 2 pieces per pack
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Certifications: UL Listed (Yes), CSA Listed (No)
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Brand: Jandorf — Sub Brand: GDA
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Application: Electronic circuits requiring fast protection
Why this fuse stands out
The Jandorf GDA series fuse is built for rapid response, snapping open at the first sign of overcurrent to shield delicate components before damage occurs. The ceramic tube provides excellent heat resistance, reducing nuisance trips in environments with higher operating temperatures or brief surge events. With plated brass endcaps, these fuses maintain solid electrical contact and durability in tight layouts or crowded circuit boards. UL-listed status adds trust and reliability for both professional repairs and hobbyist projects.
Ideal use cases
- Power supplies and adapters that require fast protection against short circuits
- Switching electronics and control boards where quick fault isolation matters
- Audio/video equipment and consumer electronics with sensitive circuitry
- Educational electronics kits and repair projects needing dependable, ready-to-use fuses
How it protects your project
In the event of an overcurrent, the 3.15 A fast-acting fuse interrupts the circuit almost immediately, preventing thermal damage and potential fire hazards. The 5x20 mm size makes it compatible with a wide range of standard fuse holders and boards, while the 250 V rating ensures suitability for common low-to-mid voltage electronics. This fuse is designed for quick replacement, enabling minimal downtime during maintenance or field service.
Installation and best practices
- Match the fuse rating exactly to your circuit’s requirements to avoid nuisance trips or under-protection.
- Use in a fuse holder or holder-compatible circuit where the 5x20 mm form factor fits securely.
- When replacing, ensure the surrounding components are powered off and the area is free of conductive debris.
- Keep a small stash of spares in your parts kit for routine repairs and emergencies.
Package contents
Contains 2 fast-acting GDA fuses in carded packaging, ready for quick inventory or field use.
