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| Country of Origin | China |
|---|---|
| Voltage | 60V |
| Brand | Littelfuse |
| Height | 29mm |
| Length | 24.1mm |
| Model | RKEF500 |
| Width | 3mm |
| Current Rating | 40A |
| Series | RKEF |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -40°C |
| Trip Current | 10A |
| Power Dissipation | 5W |
| Standards/Approvals | UL, TUV, RoHS, CSA |
| Time to Trip | 28s |
| Hold Current | 5A |
| Minimum Resistance | 0.012Ω |
| Maximum Resistance | 50mΩ |
| Lead Orientation | Radial |
Littelfuse RKEF500 is a high-quality resettable fuse designed to automatically protect electrical and electronic circuits against excessive current. This device operates at a holding current of 5 Amps and is rated for a voltage of 60 Volts, effectively safeguarding sensitive equipment in industrial and commercial applications.
The fuse has precise trip characteristics, tripping within 28 seconds at 10 Amps, making it reliable for preventing damage from short circuits or current surges. It features a compact form factor with 24.1 mm length, 29 mm height, and 3 mm width, allowing easy integration into densely populated circuit boards.
Engineered to function within a temperature range of -40°C to 60°C, the RKEF500 ensures stability and consistent performance under varying environmental conditions. Its power dissipation rating of 5 Watts supports effective current limiting without excessive heat build-up.
Littelfuse’s RKEF series fuse incorporates radial lead orientation for secure PCB mounting and complies with key international safety standards including UL, TUV, RoHS, and CSA. This fuse provides thousands of automatic resets without need for replacement, minimizing downtime and maintenance costs.
Typical applications encompass power supplies, transformers, automotive and medical equipment, security systems, instrumentation and control devices, as well as computer peripherals and audiovisual telecommunications equipment.
Automatically resets after fault conditions are cleared without manual replacement. Small, maintenance-free design eliminates need for fuse holders. Protects circuits by rapidly switching from low to high resistance on overload.
Certified by UL, TUV, RoHS, and CSA ensuring safety and regulatory compliance. Ideal for applications in industrial automation, laboratory instrumentation, and HVAC systems. Radial lead orientation for convenient through-hole PCB installation.
Durable construction made in China, designed for reliable long-term use.
Ensure optimal circuit protection with Littelfuse RKEF500 Resettable Fuse by selecting this reliable and efficient component available through EnvMart’s electronics and electrical category.
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