Vishay 400 V 40 A Power Diode 2-Pin D-55 Package VS-T40HF40

Vishay VS-T40HF40 power diode is designed for industrial-level applications, delivering robust performance with a maximum continuous forward current of 40 A and a peak reverse repetitive voltage of 400 V. It features a 2-pin D-55 package type with the semiconductor electrically isolated from the metal base, facilitating common heatsink use and compact assemblies.

This diode supports a wide operating temperature range from -40 °C to 150 °C, ensuring reliability under harsh conditions. Its maximum forward voltage is 1.3 V, and it withstands peak non-repetitive forward surge currents up to 600 A, providing high surge capability vital for power supply, battery charging, welding, and motor control systems.

The diode's construction includes large creepage distances and an electrically isolated base plate, simplifying mechanical designs and rapid assembly processes. It is compliant with RoHS directive 2002/95/EC and has a notable UL listing (E78996). The compact physical dimensions are 41 mm length, 27 mm width, 25 mm height, and 25 mm diameter.

Manufactured in India, the VS-T40HF40 diode is ideal for electronic components, power and connector systems requiring efficient, durable, and compact rectification solutions. Equipped with a D-55 panel mount and 2-pin package.

Supports continuous forward current up to 40 A and peak reverse voltage 400 V. Wide temperature range ensures stable operation in industrial environments. High surge current tolerance of 600 A provides robustness against transient loads.

Electrically isolated base enhances integration flexibility with heat sinks. Compact size suitable for space-constrained applications. RoHS compliant and UL approved for industrial use. Applications include power supplies, battery chargers, welders, and motor control units.

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