T820167504DH

SCRs - Modules Overview

The Powerex T820167504DH is a Phase Control Silicon Controlled Rectifier (SCR) with a 750 Amperes average on-state current and a 1600 Volts repetitive peak reverse blocking voltage. It features a typical turn-off time of 200 microseconds and requires a gate trigger current of 150 mA. The device utilizes an all-diffused, Press-Pak hermetic Pow-R-Disc construction with an amplifying gate structure.

SCRs - Modules Feature Summary

• Hermetic ceramic packaging for reliable operation in harsh environments
• High di/dt and dv/dt capability for robust phase control performance
• Low on-state voltage to minimize conduction losses
• Excellent surge and I²t ratings for high fault current tolerance

SCRs - Modules Applications

• Power Supplies
• Motor Control

SCRs - Modules Procurement Notes

Verify the complete 12-digit part number against official Powerex documentation to ensure correct voltage and current ratings. Confirm mounting force requirements and thermal interface specifications before integration. Check for any specific handling instructions related to the hermetic ceramic package and stud mount configuration.

SCRs - Modules Selection Notes

Select this component for applications requiring high average current and high voltage blocking capabilities in phase control circuits. Ensure the operating junction temperature remains within the specified -40 to +125 °C range. Verify that the circuit's di/dt and dv/dt stresses do not exceed the device's critical rates of rise.

SCRs - Modules Part Context

This SCR belongs to the T820 series, designed for high-power industrial applications. The series offers various voltage ratings from 200V to 2400V while maintaining a consistent 750A average current rating. The T820167504DH specifically provides a 1600V rating suitable for medium-to-high voltage AC power control systems.

SCRs - Modules Replacement Considerations

Consult official Powerex documentation for direct substitutes within the T820 family or equivalent high-current SCR models. Verify pinout compatibility and thermal resistance values when considering alternative manufacturers' components.

SCRs - Modules FAQ

What is the maximum non-repetitive transient peak reverse blocking voltage?

The maximum non-repetitive transient peak reverse blocking voltage is VRRM + 100V.

What is the typical turn-on time for this device?

The typical turn-on time is 5 µs at IT = 1000A and VD = 600 V.

What is the minimum critical rate-of-rise of off-state voltage (dv/dt)?

The minimum critical dv/dt is 300 V/µs at TJ = 125°C with exponential voltage application to VDRM.