The Jandorf GMD 1A Time Delay Fuse (2-pack) is a reliable, retail-ready protection solution designed for electronic circuits that demand steady performance through startup surges. Encased in a sturdy glass tube with plated brass endcaps, these 5x20 mm fuses deliver dependable protection at up to 250 V, keeping your power supplies and circuits safe from overloads while allowing brief inrush currents to pass through unharmed.
Key features at a glance
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Amperage and type: 1 A time-delay (slow-blow) fuse — ideal where short surges occur, such as motors, transformers, and inductive loads.
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Voltage rating: 250 V, suitable for a wide range of electronic applications and power supplies.
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Construction: Glass tube with plated brass endcaps, built for durability and reliable electrical contact.
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Dimensions: 5 mm diameter, 20 mm length (5x20 mm) to fit standard fuse holders and panels.
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Packaging: Carded packaging with 2 pieces per card for easy stocking and replacement.
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certifications: UL Listed and CSA Listed, providing third-party safety assurance for professional and consumer electronics.
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Other notes: Not tamper-proof; part of the Jandorf GMD sub-brand, designed for predictable performance in everyday circuits.
Why choose a time-delay fuse?
Unlike fast-acting fuses, time-delay fuses tolerate brief overloads, protecting sensitive components from nuisance trips while still stopping damaging faults. This makes them especially well-suited for power supplies, LED drivers, control boards, and equipment with motors or transformers that exhibit inrush currents during startup.
Ideal use cases
- Power supplies, adapters, and wall-wart units needing reliable startup protection
- Control circuits and relay boards with inductive loads
- Consumer electronics and hobby projects where surges are common
- Circuits requiring a compact 5x20 mm fuse form factor with proven safety ratings
Practical tips for optimum performance
- Verify your fuse holder is designed for 5x20 mm glass fuses to ensure proper fit and contact.
- When replacing fuses, match both the amp rating and the voltage rating to your circuit specifications.
- Keep a spare 1 A time-delay fuse on hand in the 2-pack for quick field replacements, minimizing downtime.
- Respect safety standards by leveraging the UL and CSA listings as part of your compliance checks in professional assemblies.
The Jandorf GMD 1A Time Delay Fuse 2-pack provides a practical, high-availability protection solution for electronics projects and professional builds alike. With its robust glass-tube construction, brass endcaps, and trusted UL/CSA listings, it’s a dependable choice when you need safeguarding that won’t interrupt essential startup surges.
