VS-ST303C12LFK0

Scrs Overview

The VS-ST303C12LFK0 is a silicon-controlled rectifier module from the Vishay VS-ST303C series, designed for high-power industrial applications. It features a TO-200AB (E-PUK) clamp-mount package with an isolated metal case and ceramic insulator. The device supports a rated repetitive off-state voltage of 1.2 kV and an RMS on-state current of 995 A. Key electrical characteristics include a maximum on-state voltage of 2.16 V, a non-repetitive peak surge current capability of up to 8.32 kA, and a gate trigger voltage of 3 V. It operates within a temperature range of -40°C to +125°C.

Scrs Feature Summary

• High-current handling capability with 995 A RMS on-state current rating
• Robust surge withstand performance supporting up to 8.32 kA non-repetitive peak current
• Standard recovery type construction optimized for reliable switching operations
• Secure mechanical integration via clamp mount installation style

Scrs Applications

• Industrial motor drive systems requiring high power density
• Static power switching equipment in heavy machinery
• Resistive load control circuits in manufacturing environments

Scrs Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm specific suffix designations match project requirements as variations may exist within the product line. Check manufacturer documentation for latest compliance status and environmental declarations before finalizing procurement decisions.

Scrs Selection Notes

Evaluate thermal management solutions suitable for the TO-200AB package geometry. Ensure gate drive circuits provide sufficient current to meet the 200 mA trigger requirement. Consider derating factors for ambient temperatures exceeding standard operating limits to maintain reliability over the intended service life.

Scrs Part Context

This component belongs to the VS-ST303C family of thyristor modules manufactured by Vishay General Semiconductor. These devices are engineered for demanding power electronics applications where high voltage blocking and substantial current conduction are necessary. The series utilizes advanced silicon technology to ensure stable performance under rigorous electrical stress conditions.

Scrs Replacement Considerations

Consult official substitution lists for verified equivalents. Cross-reference pinout compatibility and thermal resistance values when considering alternative manufacturers. Verify that any substitute part meets or exceeds the original 1.2 kV voltage rating and 995 A current capacity.