VS-P423

SCRs - Modules Overview

The VS-P423 is a single-phase, all SCR bridge module from the Vishay VS-P400 series. It features an electrically isolated base plate and glass passivated junctions for reliability. The device provides a maximum DC output current of 40 A at 80 °C case temperature. It supports repetitive peak reverse voltages up to 800 V with a non-repetitive surge current rating of 400 A at 60 Hz. The module utilizes the PACE-PAK (D-19) package and operates within a junction temperature range of -40 °C to +125 °C.

SCRs - Modules Feature Summary

• Integrated single-phase all SCR bridge circuit in a compact package
• Electrically isolated base plate simplifies mechanical design
• Glass passivated junctions enhance component reliability

SCRs - Modules Applications

• Power supplies
• Control circuits
• Battery chargers

SCRs - Modules Procurement Notes

Verify the complete part number against the manufacturer's coding table to ensure correct voltage and configuration selection. Confirm that the specific ordering suffix matches the required circuit topology and optional features such as voltage suppression or freewheeling diodes. Cross-reference the datasheet revision date to ensure compatibility with current technical specifications.

SCRs - Modules Selection Notes

Select this module based on the required DC output current and peak reverse voltage ratings. Ensure the thermal management system can maintain the case temperature below 80 °C to support the full 40 A rating. Verify that the gate drive circuitry meets the specified trigger voltage and current requirements for reliable turn-on under varying load conditions.

SCRs - Modules Part Context

This component belongs to the VS-P400 series of integrated power circuits manufactured by Vishay Semiconductors. The series combines power thyristors and diodes into single packages to reduce size and assembly complexity. The VS-P400 series offers various circuit configurations and voltage ratings up to 1200 V, utilizing the standardized PACE-PAK housing for consistent mounting dimensions.

SCRs - Modules Replacement Considerations

Check the VS-P421, VS-P422, and VS-P424 for alternative voltage ratings within the same series. Verify that any substitute maintains the identical PACE-PAK footprint and pinout configuration to ensure mechanical compatibility without redesigning the heatsink interface.