VS-VSKL26/12

SCRs - Modules Overview

The VS-VSKL26/12 is a thyristor/diode doubler module from the AAP Gen 7 series, rated for 27 A average current and 1200 V maximum repetitive peak reverse voltage. It utilizes an exposed direct bonded copper substrate to achieve low thermal resistance of 0.76 °C/W per leg under DC operation. The device supports high surge currents up to 420 A at 60 Hz and operates within a junction temperature range of -40 to +125 °C.

SCRs - Modules Feature Summary

• High voltage capability with industrial standard package design
• Excellent thermal performance via exposed direct bonded copper substrate
• High surge current handling capacity for robust operation
• UL approved file E78996 for safety compliance

SCRs - Modules Applications

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

SCRs - Modules Procurement Notes

Verify the specific circuit configuration code 'L' corresponds to the SCR/diode doubler circuit with negative control. Confirm the voltage code '12' matches the required 1200 V rating. Ensure mounting hardware complies with the specified torque requirements for the TO-240AA package to maintain thermal interface integrity.

SCRs - Modules Selection Notes

Select this component when a doubler circuit topology with negative control is required. The 27 A rating suits moderate power applications. Verify that the 1200 V blocking voltage meets system peak reverse voltage demands. Consider the 0.76 °C/W thermal resistance for heatsink calculations in continuous conduction modes.

SCRs - Modules Part Context

This module belongs to the VS-VSK.26 series, which includes thyristor/diode and thyristor/thyristor configurations. The AAP Gen 7 (TO-240AA) package provides a compact solution with simplified internal structure. The series covers voltage ratings from 400 V to 1600 V, offering flexibility for various high-voltage industrial applications.

SCRs - Modules Replacement Considerations

Direct substitutes include other VS-VSKL26 variants with different voltage codes (e.g., VS-VSKL26/16 for 1600 V). Cross-series replacements like VS-VSKT26 or VS-VSKH26 require circuit topology verification as they offer different internal configurations such as common cathode or positive control setups.

SCRs - Modules FAQ

What is the internal circuit configuration of the VS-VSKL26/12?

It is an SCR/diode doubler circuit with negative control.

What is the maximum non-repetitive peak on-state current?

The maximum peak one-cycle non-repetitive on-state current is 420 A at 60 Hz.

What is the recommended mounting torque for the module?

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