CD631215B

SCRs - Modules Overview

The CD631215B is a dual Silicon Controlled Rectifier (SCR) module manufactured by Powerex Inc. under the POW-R-BLOK series. It features a series-connected SCR and diode configuration with a maximum repetitive peak reverse voltage of 1200V and an on-state RMS current rating of 150A. The device utilizes an electrically isolated heatsink design, allowing for direct mounting to common cooling surfaces without additional insulation requirements. Constructed with a copper baseplate and DBC alumina insulator, it supports high-power industrial applications requiring robust phase control capabilities.

SCRs - Modules Feature Summary

• Dual element structure combining SCR and diode in series connection
• Electrically isolated chassis mount design for simplified thermal management
• Robust construction using DBC alumina insulator and copper baseplate

SCRs - Modules Applications

• Industrial motor drive systems
• High-power DC power supplies
• Phase-controlled rectifier circuits

SCRs - Modules Procurement Notes

Verify that the specific order matches the CD631215B part number to ensure correct voltage and current ratings. Confirm compatibility with existing heatsinking infrastructure due to the isolated module design. Check for RoHS compliance status if environmental regulations apply to the final assembly. Ensure proper torque specifications are followed during installation to maintain electrical isolation integrity.

SCRs - Modules Selection Notes

Select this component when a combined SCR and diode solution is required within a single isolated package. The 1200V rating suits medium-to-high voltage AC/DC conversion tasks. Consider the 150A RMS current capacity against load requirements. The chassis mount style necessitates adequate mechanical space and thermal interface material planning for effective heat dissipation.

SCRs - Modules Part Context

This module belongs to Powerex's POW-R-BLOK family, known for high-reliability thyristor solutions. The dual element configuration simplifies circuit design by integrating complementary switching functions. Isolated packaging distinguishes these modules from non-isolated alternatives, offering safety benefits in grounded systems.

SCRs - Modules Replacement Considerations

Cross-reference with other Powerex dual SCR/diode modules in the same voltage class. Verify pinout compatibility and thermal resistance values before substitution. Ensure the replacement maintains the series connection topology and isolation requirements.