Protect your electronic circuits with the Jandorf GDC 1 A Time Delay Fuse — a precise, dependable two-pack designed to withstand inrush surges while guarding against overcurrent in everyday electronics. This is a slow-blow fuse (time delay) built for reliability in power supplies, control circuits, and other demanding applications.
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Rating: 1 A
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Type: Time Delay (Slow-Blow) fuse
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Voltage: 250 V
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Construction: Glass tube with plated brass endcaps
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Dimensions: 5 mm diameter x 20 mm length
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Packaging: Carded, 2 pieces per card
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Brand / Sub Brand: Jandorf / GDC
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Listings: UL Listed; CSA Not Listed
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Tamper Proof: No
Why choose a time-delay fuse?
Unlike fast-acting fuses, this 1 A time-delay fuse tolerates brief surge currents from transformers, motors, and other inductive loads without nuisance blows. It protects your circuit against short circuits and overloads, while giving inrush-heavy components the moment they need to reach operating current. The glass tube provides clear visibility of the fuse element, making it easy to inspect during maintenance.
Ideal use cases
- Power supplies and DC adapters with occasional inrush currents
- Small motors, relays, and transformer-fed circuits
- Audio/video equipment, control boards, and consumer electronics
- DIY projects and hobbyist electronics where reliable overcurrent protection is essential
Practical tips for installation and longevity
- Match the fuse holder or holder slot to the 5x20 mm 1 A time-delay fuse size for a proper fit.
- Replace with an identical rating and type to maintain circuit protection integrity.
- Store spares in a cool, dry place to prevent endcap corrosion or glass damage.
- Use in environments where inrush is common, but avoid applying the fuse to circuits requiring faster interruption for sensitive components.
