T720224504DN

Overview

The T720224504DN is a Silicon Controlled Rectifier (SCR) from the Powerex T72 series, designed for high-power switching applications. It features a disk button package with three terminals and a ceramic metal-sealed cofired construction. The device operates within a temperature range of -45°C to 125°C and complies with lead-free and RoHS standards. Key electrical characteristics include a maximum repetitive peak reverse voltage of 500V and a nominal RMS on-state current of 706.5A. It has a single element configuration with a maximum DC gate trigger current of 150mA and a maximum DC gate trigger voltage of 3V. The component is classified as a fast-switching SCR with a typical circuit commutated turn-off time of 10µs.

Feature Summary

• Fast switching capability with rapid turn-off characteristics suitable for high-frequency inverter circuits
• Electrically isolated heatsinking design allowing direct mounting to common heat sinks without additional insulators
• Robust ceramic metal-sealed cofired packaging providing environmental protection and mechanical stability
• High surge current handling capacity for robust operation under transient load conditions

Applications

• Induction heating power supplies
• Solid-state transformer systems
• High-power DC-AC inversion circuits
• Industrial motor drive inverters

Procurement Notes

Verify the specific suffix codes against official Powerex documentation to confirm exact electrical tolerances and thermal resistance values. Ensure that the ordering information matches the required voltage and current ratings for your specific application. Confirm compliance with current environmental regulations such as RoHS and lead-free status through the manufacturer's latest datasheet or certification documents before finalizing procurement.

Selection Notes

Select this component based on its 500V blocking voltage and 706.5A RMS current rating to ensure adequate margin for your system's peak loads. Consider the 10µs turn-off time when designing snubber circuits and gate drive timing for high-frequency operations. Verify that the disk button package form factor fits your mechanical constraints and that the thermal management solution can handle the specified power dissipation at the intended operating temperature.

Part Context

This device belongs to the Powerex T72 family of high-power SCRs, which are engineered for demanding industrial power conversion tasks. The T72 series is known for its reliability in harsh environments due to its hermetic sealing and rugged construction. These components are widely used in applications requiring high current density and fast switching speeds, serving as critical switches in medium to high-power electronic systems.

Replacement Considerations

Consult official Powerex cross-reference guides for verified substitutes. Generic equivalents may not match the specific thermal impedance or gate trigger characteristics. Ensure any replacement maintains the same package style and terminal configuration for mechanical compatibility.