TA20121803DH

SCRs - Modules Overview

The Powerex TA20121803DH is a Silicon Controlled Rectifier (SCR) belonging to the T82 series, designed for high-power industrial applications. It features a maximum repetitive peak reverse voltage of 1800 V and an RMS on-state current rating of 1177.5 A. The device utilizes a T82 package with three terminals and isolated mounting capabilities. Key electrical characteristics include a gate trigger voltage of 3 V and a gate trigger current of 50 mA. The component supports a non-repetitive peak on-state current of 400 A and offers a critical rate of rise of off-state voltage of 500 V/us. It operates within a junction temperature range of -65°C to +200°C.

SCRs - Modules Feature Summary

• High current handling capability with an RMS on-state current of 1177.5 A
• Robust voltage blocking performance rated at 1800 V
• Isolated mounting design facilitates installation on common heatsinks
• Four-terminal flexibility for precise control and rectification

SCRs - Modules Applications

• Battery supply systems
• Contactless switches
• Furnace control circuits

SCRs - Modules Procurement Notes

Verify the specific suffix codes against official Powerex documentation to confirm exact electrical tolerances and pin configurations. Ensure thermal management solutions align with the T82 package requirements. Confirm RoHS compliance status if required by your manufacturing standards. Cross-reference datasheet parameters with system load profiles to ensure adequate safety margins for both steady-state and transient conditions.

SCRs - Modules Selection Notes

Select this component when high-voltage DC or AC rectification is required in heavy-duty environments. The T82 package provides mechanical robustness suitable for bolt-down mounting. Consider the 1800 V rating for systems operating near this threshold. Evaluate thermal dissipation needs based on the 1177.5 A RMS current rating. Ensure gate drive circuitry can supply the specified 50 mA trigger current reliably.

SCRs - Modules Part Context

This SCR is part of Powerex's T82 series, which focuses on high-current power modules. The series is engineered for industrial power conversion where reliability under high stress is critical. The T82 form factor allows for efficient heat transfer through the metal baseplate. This family of devices is commonly used in large-scale power electronics infrastructure.

SCRs - Modules Replacement Considerations

Public confirmed substitute part numbers are not available in verified sources. Consult Powerex technical support for direct equivalents. Verify that any alternative device matches the T82 package dimensions and terminal layout to maintain mechanical compatibility.