PD431207

SCRs - Modules Overview

The Powerex PD431207 is a Dual SCR Isolated POW-R-BLOK module rated for 1200 Volts and 700 Amperes. It features electrically isolated heatsinking with a metal baseplate, enabling easy mounting on common heatsinks without additional insulation components. The device supports repetitive peak forward and reverse blocking voltages up to 1800V across the series, with specific ratings defined by the voltage suffix. It offers low thermal impedance for improved current capability and compression bonded elements for reliability.

SCRs - Modules Feature Summary

• Electrically isolated heatsinking design eliminates the need for additional insulation components
• Compression bonded elements ensure robust internal connections
• Metal baseplate construction facilitates direct mounting to common heatsinks
• Low thermal impedance structure enhances overall current carrying capability

SCRs - Modules Applications

• Bridge Circuits
• AC & DC Motor Drives
• Motor Soft Starters
• Battery Supplies
• Large IGBT Circuit Front Ends

SCRs - Modules Procurement Notes

Verify the complete eight-digit part number against the manufacturer's ordering table to confirm the specific voltage rating corresponding to the second digit (e.g., '1' for 1200V). Ensure the selected variant matches the required phase control application specifications. Confirm UL recognition status if safety compliance is mandatory for the end equipment. Cross-reference thermal resistance values with the specific operating conditions of the target system.

SCRs - Modules Selection Notes

Select this module for applications requiring phase control with isolated packaging. Consider the maximum rate-of-rise of on-state current limits when designing gate drive circuits. Evaluate the thermal performance curves against the expected conduction angles and case temperatures. Verify that the gate trigger requirements align with the available control circuitry capabilities.

SCRs - Modules Part Context

This component belongs to the PD43__07 series of Dual SCR Isolated Modules from Powerex. The series covers various voltage ratings from 1200V to 1800V while maintaining a consistent 700A average current rating per SCR configuration. These modules are designed for high-power industrial applications where electrical isolation between the power circuit and the heatsink is critical for safety and installation flexibility.

SCRs - Modules Replacement Considerations

Consult the manufacturer's official substitution guide or cross-reference list for verified equivalent parts. Do not assume compatibility based solely on package dimensions or general electrical ratings. Verify that any substitute maintains the same isolation voltage and thermal characteristics.