VS-VSKT71/12

SCRs - Modules Overview

The VS-VSKT71/12 is a thyristor module from the VSK.71 series, rated for 75 A average on-state current and 1200 V repetitive peak reverse voltage. It utilizes the AAP Gen 7 (TO-240AA) package with an exposed direct bonded copper substrate for low thermal resistance. The device supports a maximum continuous RMS on-state current of 165 A as an AC switch and offers high surge capability with a non-repetitive peak current of 1300 A at 50 Hz.

SCRs - Modules Feature Summary

• High voltage rating up to 1600 V
• Industrial standard package design
• Low thermal resistance via exposed direct bonded copper substrate
• UL approved file E78996

SCRs - Modules Applications

• High voltage regulated power supplies
• Lighting circuits
• Temperature control circuits
• Motor speed control circuits
• UPS systems

SCRs - Modules Procurement Notes

Verify the specific circuit configuration code (T, H, L, or N) required for the application when ordering. Confirm that the voltage suffix matches the system requirements, as the '12' indicates a 1200 V rating. Ensure mounting hardware complies with the specified torque values for reliable thermal interface performance.

SCRs - Modules Selection Notes

Select this component for general-purpose high voltage applications requiring robust thermal management. The TO-240AA package facilitates easy heatsink mounting. Consider the specific gate triggering parameters and dI/dt ratings to ensure compatibility with the drive circuitry and load characteristics.

SCRs - Modules Part Context

This part belongs to the VSK.71 series of thyristor/diode modules manufactured by Vishay Semiconductors. The series includes various configurations such as thyristor/thyristor (T), SCR/diode doubler (H, L), and SCR/diode common anodes (N). All share the same 75 A current rating and mechanical footprint.

SCRs - Modules Replacement Considerations

Direct replacements within the same series include VS-VSKT71/14 (1400 V) or VS-VSKT71/16 (1600 V) if higher voltage blocking is needed. For lower voltage applications, VS-VSKT71/04 through VS-VSKT71/10 are available. Verify pinout compatibility before substitution.

SCRs - Modules FAQ

What is the maximum holding current for the VS-VSKT71/12?

The maximum holding current is 250 mA at a junction temperature of 25 °C.

What is the recommended mounting torque for the module?

The recommended mounting torque is 4 Nm ± 10% for the busbar connection.

Does the module have isolated case connection?

Yes, the case connection is isolated, which is beneficial for high-voltage isolation requirements.