Vishay Thyristor SCR 1 kV, 90 A Rated Average On-State Current, 120 mA Max Gate Trigger Current, 1.87 kA Surge VS-T90RIA100

Vishay VS-T90RIA100 is a high-performance thyristor (Silicon-Controlled Rectifier, SCR) designed for industrial and electronic power control applications requiring reliable phase control switching. With a repetitive peak reverse voltage (VDRM) of 1 kV and rated average on-state current (Irms) of 90 A, this D-55 packaged device supports surge current ratings up to 1.87 kA, making it suitable for high transient current environments.

The device is manufactured as an encapsulated power module with an electrically isolated metal base plate rated for 3500 VRMS isolation, facilitating safe panel mounting and enhanced thermal management. The maximum gate trigger current is specified at 120 mA, with a maximum gate trigger voltage of 2.5 V, ensuring precise and reliable triggering. Operating temperature range from -40°C to 125°C supports usage in diverse industrial settings.

Typical applications include battery chargers, welders, plating equipment, regulated power supplies, as well as temperature and speed control circuits. Its robust design and UL E78996 certification endorse its suitability for demanding power electronics systems. The module contains 3 pins consistent with its SCR design, providing controlled conduction and switching characteristics.

This thyristor carries no automotive certification and does not include special industry standards approval beyond UL, reflecting its general industrial power control role. The peak on-state voltage is 1.55 V, beneficial for reducing conduction losses in continuous operation.

Vishay's VS-T.RIA series represents trusted solid-state switching technology with high thermal stability and surge current capability, ensuring durability and reliability in power electronic designs.

Phase Control Thyristor suitable for panel mounting applications. Maximum gate trigger current of 120 mA ensures reliable triggering performance. Surge current rating of 1.87 kA supports high transient currents. Built to operate from -40°C to 125°C for versatile industrial environments.

Encapsulated module with isolated metal base plate for safety and durability. Peak on-state voltage of 1.55 V optimizes conduction losses. Complies with UL E78996 approval ensuring product reliability. 3-pin design with maximum holding current of 200 mA for stable operation.

This product is ideal for industrial, manufacturing, laboratory, and power control applications requiring stable and high-capacity SCR devices. Explore more from the Semiconductor Thyristors category at EnvMart.