Protect sensitive electronic circuits with the precision of the Jandorf GDC 4A Time Delay Fuse. This 2-pack delivers reliable slow‑blow protection for devices that experience brief startup surges or inrush currents, reducing nuisance blowouts while safeguarding delicate components. Built for professionals and serious hobbyists, these fuses are ready to drop into common 5 mm x 20 mm fuse slots and keep your gear running smoothly.
Why a time-delay (slow-blow) fuse matters
- Handles surge currents without tripping immediately, ideal for power supplies, adapters, and equipment with brief startup spikes.
- Prevents unexpected outages in electronics that momentarily draw higher current, preserving your project’s uptime.
- Simple, drop-in replacement that fits standard 5x20mm fuse holders for quick servicing.
Key specifications at a glance
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Brand: Jandorf | Sub Brand: GDC
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Fuse type: Time Delay (Slow Blow)
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Rating: 4 A
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Voltage: 250 V
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Size: 5 mm diameter, 20 mm length (glass tube with plated brass endcaps)
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Packaging: Carded, 2 pieces per pack
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Certification: UL Listed (safety compliance)
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CSA Listed: No
Ideal uses and scenarios
- Power supplies and chargers where brief surges occur during startup or peak loads
- Audio, video, and general electronics projects that benefit from surge tolerance without constant blowing
- Repair and prototyping work in test benches, development kits, or rebuilds requiring reliable protection
- Enclosures and housings with motors, relays, or transformers that momentarily draw higher current
Practical tips for best results
- Verify circuit voltage and current requirements align with the 4 A / 250 V rating before installation.
- If a fuse trips, inspect for overcurrent, short circuits, or faulty components rather than simply replacing the fuse.
- Keep the 2‑pack handy for dual-channel supplies or as backups in frequently serviced enclosures.
- Ensure replacement fuses are the same size (5x20 mm) and type (time-delay) to maintain proper protection.
With the Jandorf GDC 4A Time Delay Fuses, you get durable, purpose-built protection that respects your equipment’s startup dynamics. Choose these UL-listed, glass-tube fuses for dependable, long‑lasting performance in electronic circuits where precision protection matters most.
