VS-VSKH71/16

SCRs - Modules Overview

The VS-VSKH71/16 is a thyristor/diode doubler module from the VSK.71 series by Vishay Semiconductors, housed in an ADD-A-PAK (TO-240AA) package. It features a maximum repetitive peak off-state voltage of 1600 V and a maximum average on-state current of 75 A at 85 °C case temperature. The continuous RMS on-state current as an AC switch is 165 A. Non-repetitive surge currents reach 1360 A at 60 Hz. Operating junction temperatures range from -40 °C to +125 °C.

SCRs - Modules Feature Summary

• Utilizes exposed direct bonded copper substrate for low thermal resistance and efficient heat dissipation.
• Configured as a thyristor/diode doubler circuit with positive control capability.
• Complies with UL file E78996 and is designed for industrial level applications.

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 'H' corresponds to the required thyristor/diode doubler with positive control. Confirm that the 1600 V voltage rating aligns with system requirements. Ensure mounting hardware meets the specified torque values for reliable thermal interface performance.

SCRs - Modules Selection Notes

Select this component when a high-voltage doubler topology is required within a standard industrial package. The 75 A current rating supports significant load demands while maintaining compatibility with common heatsink interfaces. Verify gate triggering parameters against available drive circuitry capabilities.

SCRs - Modules Part Context

This device belongs to the AAP Gen 7 (TO-240AA) family, which combines advanced packaging with simplified internal structures. The series includes variants with different voltage codes and circuit configurations such as T, L, and N types, all sharing similar mechanical and thermal characteristics.

SCRs - Modules Replacement Considerations

Check datasheet Document Number 94631 for alternative circuit codes like VS-VSKL71/16 or VS-VSKN71/16 if negative control or common anode configurations are needed instead of the positive control found in the H variant.

SCRs - Modules FAQ

What is the maximum non-repetitive surge current for this module?

The maximum non-repetitive surge current is 1360 A at 60 Hz and 1300 A at 50 Hz under sinusoidal half-wave conditions with no voltage reapplied.

Does this module support negative gate control?

No, the VS-VSKH71/16 is configured as a thyristor/diode doubler circuit with positive control. Negative control is available in the VS-VSKL71.. series.

What is the recommended mounting torque for the heatsink?

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