VS-25RIA100

Scrs Overview

The VS-25RIA100 is a medium power phase control thyristor from the Vishay VS-25RIA series, rated for 100 V repetitive peak off-state voltage. It features a stud base TO-208AA (TO-48) package with an average on-state current of 25 A at 85 °C case temperature and a maximum RMS on-state current of 40 A. The device supports high dI/dt capabilities up to 200 A/μs and includes improved glass passivation for stability. Operating junction temperatures range from -65 °C to 125 °C.

Scrs Feature Summary

• Improved glass passivation for high reliability and exceptional stability at high temperatures
• High dI/dt and dV/dt capabilities suitable for demanding switching applications
• Low thermal resistance junction-to-case design for efficient heat dissipation

Scrs Applications

• Medium power switching circuits
• Phase control applications
• Industrial and consumer level equipment requiring robust thyristor performance

Scrs Procurement Notes

Verify the specific voltage code suffix matches the required 100 V rating, as the series spans multiple voltages. Confirm thread type availability if metric M6 threads are needed instead of standard UNF. Ensure mounting torque specifications align with application requirements to maintain thermal interface integrity.

Scrs Selection Notes

Select this component when a 100 V blocking capability is required alongside 25 A continuous current handling in a stud-mount configuration. Consider the low thermal resistance for high-power density designs. Verify gate trigger characteristics against the driving circuit's output capabilities to ensure reliable turn-on across the specified temperature range.

Scrs Part Context

This part belongs to the VS-25RIA series of medium power phase control thyristors manufactured by Vishay Semiconductors. The series offers various voltage ratings up to 1200 V within the same physical footprint, allowing for design flexibility while maintaining consistent mechanical and thermal characteristics across the product line.

Scrs Replacement Considerations

Direct substitutes include other Vishay VS-25RIA variants with matching electrical ratings. Cross-brand replacements must match the TO-208AA package dimensions, 25 A current rating, and 100 V blocking voltage to ensure compatibility without redesigning the heatsink or drive circuitry.

Scrs FAQ

What is the maximum rate of rise of turned-on current (dI/dt) for the VS-25RIA100?

The maximum dI/dt is 200 A/μs for devices with VDRM ≤ 600 V, which includes the 100 V rated VS-25RIA100.

Does the VS-25RIA100 support metric threading?

Yes, metric threads (M6 x 1) are available as an option, indicated by the 'M' suffix in the ordering code.

What is the typical turn-off time (tq) for this device?

The typical turn-off time is 110 μs under standard test conditions at maximum junction temperature.