TA20181803DH

SCRs - Modules Overview

The TA20181803DH is a Silicon Controlled Rectifier (SCR) manufactured by Powerex Inc. It features a single element configuration housed in a TA2 disk button package with three pins. The device supports a maximum repetitive peak reverse voltage of 1800 V and a maximum RMS on-state current of 2018 A. It utilizes a ceramic, metal-sealed cofired encapsulation material and is designed for high-power industrial applications requiring robust thyristor performance.

SCRs - Modules Feature Summary

• High current handling capability with an RMS on-state current rating of 2018 A
• Robust insulation and mechanical stability provided by a ceramic, metal-sealed cofired package
• Designed for direct mounting on common heatsinks via its isolated disk button form factor

SCRs - Modules Applications

• Industrial motor drives and variable frequency drives
• High-power DC power supplies and rectifiers
• Static VAR compensators and power factor correction systems

SCRs - Modules Procurement Notes

Verify the specific suffix codes against official Powerex documentation to confirm exact electrical tolerances and terminal configurations. Ensure that the procurement channel provides original manufacturer certification to guarantee component authenticity and traceability for critical power electronics assemblies.

SCRs - Modules Selection Notes

Select this component when designing circuits requiring high-voltage blocking capabilities combined with substantial continuous current handling. The TA2 package facilitates efficient thermal management through direct baseplate contact. Confirm that the gate trigger characteristics align with the driving circuitry requirements for reliable turn-on under varying load conditions.

SCRs - Modules Part Context

This SCR belongs to Powerex's high-power discrete thyristor lineup, engineered for demanding industrial environments. The TA2 series is widely recognized for its reliability in heavy-duty power conversion applications. These components serve as fundamental switching elements in systems where efficiency and durability are paramount.

SCRs - Modules Replacement Considerations

Consult official cross-reference guides for compatible alternatives. Verify that any substitute matches the 1800 V rating, 2018 A current capacity, and TA2 physical dimensions to ensure proper fit and electrical performance without redesigning the host system.