VS-22RIA40M

Scrs Overview

The VS-22RIA40M is a medium power thyristor manufactured by Vishay General Semiconductor - Diodes Division. It features a TO-48 stud mount package and is designed for high reliability applications. The device supports a maximum repetitive peak reverse voltage of 400 V. It handles an average on-state current ranging from 10 to 120 A depending on the specific thermal condition, with a typical RMS on-state current between 140 and 160 A. The non-repetitive peak surge current is rated at 420 A. Key electrical characteristics include a gate trigger voltage of up to 2 V and a holding current of 130 mA. The component operates within a junction temperature range of -55°C to 150°C.

Scrs Feature Summary

• Improved glass passivation for high reliability and exceptional stability at high temperatures
• High di/dt and dv/dt capabilities for robust switching performance
• Standard package design with low thermal resistance
• Available in metric threads version

Scrs Applications

• Medium power switching circuits
• Phase control applications
• Military and aerospace high-reliability requirements

Scrs Procurement Notes

Verify the exact suffix configuration against the official Vishay datasheet to ensure correct pinout and mechanical specifications. Confirm that the TO-48 package dimensions match the target heatsink interface. Check for specific military or aerospace qualification requirements if the application demands stringent reliability standards beyond standard industrial grades.

Scrs Selection Notes

Select this component for applications requiring high surge current handling and stable operation under high thermal stress. Ensure the cooling solution accommodates the stud mount form factor. Verify that the gate drive circuit can supply the required 2 V trigger voltage. Consider the 110 µs turn-off time when designing high-frequency phase control circuits.

Scrs Part Context

This part belongs to the 22RIA series of medium power thyristors from Vishay. These devices are engineered for demanding power electronics environments. The series offers various voltage ratings up to 1600 V. The TO-48 package provides efficient heat dissipation through direct mounting to a chassis or heatsink.

Scrs Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Cross-reference with Vishay's internal replacement guides or consult technical support for equivalent SCR devices with matching voltage and current ratings.