Littelfuse Non-Resettable Fast Acting Fuse 3A, 32V, Ceramic Body, 1206 Package 0437003.WR

Littelfuse 0437003.WR is a high-quality non-resettable fast acting fuse designed for overcurrent protection in various electronic devices and automotive applications. It operates at a nominal rating of 3 amperes and 32 volts, making it suitable for low voltage electronic circuits sensitive to overcurrent conditions. The fuse features a durable ceramic body material offering excellent thermal endurance and mechanical strength.

This fuse supports a wide operating temperature range from -55°C up to 150°C, enabling reliable performance in harsh environments. Its fast acting characteristic makes it ideal for protecting sensitive semiconductor devices such as LCD displays, data modems, printers, and automotive electronics. The fuse is packaged in a compact 1206 surface mount size, offering space-saving advantages in modern circuit board layouts.

The terminals consist of tin, silver, and nickel layers to provide strong, corrosion-resistant connections ensuring long-term reliability. With a breaking capacity of 50 amperes, the fuse effectively interrupts excessive currents preventing damage to circuits and systems.

The Littelfuse 437 Series complies with RoHS and CSA standards, reflecting commitment to safety and environmental regulations. Its low electrical resistance of 0.03 ohms ensures minimal energy loss and efficient circuit operation.

Ceramic body construction for thermal and mechanical stability. Fast acting fuse type ensures prompt circuit protection. Package type: Reel, convenient for automated assembly processes. Suitable for surface mount technology, optimizing PCB space and assembly.

Extensive operating temperature range from -55°C to 150°C. Breaking capacity rated at 50 amperes for robust protection. Low resistance of 0.03 ohms maintaining circuit efficiency. Terminals composed of tin, silver, and nickel layers for durability.

Complies with RoHS and CSA standards ensuring quality and compliance.

This fuse is widely used in industrial, automotive, commercial electronics, and telecommunications applications where precise and reliable circuit protection is critical. Its compact size and robust characteristics make it suitable for use in high ambient temperature environments and compact electronic assemblies.

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