Littelfuse 0.5 A Resettable Fuse 60V Surface Mount PolySwitch SMD050F-2

Littelfuse SMD050F-2 is a 0.5 A resettable fuse designed for surface mount applications. It protects electronic circuits by automatically switching from a low resistance state to a high resistance under overcurrent or short circuit conditions, and resets once the fault clears and power is removed.

This resettable fuse is compact with a PolySwitch SMD package measuring 7.98 mm in length, 5.44 mm in width, and 3.18 mm in height. It features tin-plated metal terminals for secure soldering and has a power dissipation capability of 1.7 W. The fuse can handle up to 0.5 A hold current and trips at 1 A, with a tripping time of 4 seconds ensuring reliable protection.

The device is maintenance-free, capable of thousands of automatic reset cycles, and rated for a maximum operating temperature of 85 °C. It requires no fuse holder, saving space and simplifying integration in compact electronics.

Typical applications include use in security systems, power supplies, transformers, automotive and medical equipment, instrumentation, control systems, computers, and telecommunications equipment.

Compact PolySwitch surface mount design for space-efficient circuit protection. Automatic reset feature eliminates fuse replacement needs. Rated for 0.5 A hold current and 60 V voltage across multiple environments. Durable tin-plated metal terminals for reliable electrical contact.

High power dissipation of 1.7 W supports device safety under load. Maintains circuit integrity through thousands of reset cycles. Wide temperature tolerance suited for various industrial and commercial uses. Applicable in a broad range of electronics from consumer to industrial.

Explore more Littelfuse Resettable Fuses and circuit protection products in the Electronics & Electricals category at EnvMart.