T7S0176504DN

Overview

The T7S0176504DN is a Silicon Controlled Rectifier (SCR) manufactured by Powerex Inc. It features a single element configuration housed in a T7S disk button package with three terminals. The device is rated for a maximum repetitive peak reverse voltage of 500 V and an RMS on-state current of 176 A. Key electrical characteristics include a non-repetitive peak forward current of 3500 A, a gate trigger voltage of 3 V, and a gate trigger current of 150 mA. The component operates within a temperature range of -40 °C to 125 °C.

Feature Summary

• Designed for phase control applications requiring robust high-current handling capabilities
• Features electrically isolated packaging suitable for mounting on common heatsinks
• Utilizes compression bonded elements to ensure low thermal impedance and improved reliability

Applications

• Industrial motor drives
• Power supply rectification circuits
• Welding equipment power controls

Procurement Notes

Verify the specific suffix codes against official Powerex documentation to confirm exact electrical tolerances and pinout configurations. Ensure that the procurement channel provides original manufacturer certification to guarantee authenticity. Cross-reference the datasheet revision date with the production batch to avoid obsolete specifications. Confirm compliance requirements such as RoHS status if applicable to the target assembly standards before finalizing orders.

Selection Notes

Select this component when designing systems requiring a 500 V blocking voltage and continuous current handling up to 176 A. The T7S package form factor is appropriate for applications needing efficient heat dissipation through direct baseplate contact. Evaluate the thermal management requirements carefully, as the device performance depends heavily on the heatsink interface. Consider the gate drive characteristics to ensure compatibility with the control circuitry triggering thresholds.

Part Context

This SCR belongs to Powerex's high-power discrete semiconductor lineup, specifically engineered for industrial power conversion. The T7S series represents a standardized mechanical footprint widely used in heavy-duty electronics. These components are integral to managing high-energy flows in environments where reliability under thermal stress is critical. The product line supports various voltage and current ratings to accommodate diverse industrial power system architectures.

Replacement Considerations

Consult official cross-reference guides for compatible alternatives. Verify that any substitute matches the 500 V rating, 176 A current capacity, and T7S mechanical dimensions. Ensure the replacement maintains identical terminal configurations and thermal characteristics to fit existing board layouts without modification.