T72H0248B4DN

Scrs Overview

The T72H0248B4DN is a standard recovery silicon controlled rectifier (SCR) manufactured by Powerex Inc. It features a 200V off-state voltage rating and supports an average on-state current of 450A with a maximum RMS current of 750A. The device utilizes a TO-200AC (T-72) stud mount package for efficient thermal management. Key electrical parameters include a maximum gate trigger voltage of 3V and a maximum gate trigger current of 150mA. The on-state voltage drop is limited to 1.55V, ensuring low conduction losses. It operates within a temperature range of -40°C to 125°C and offers a non-repetitive surge current capability of 7500A at 60Hz.

Scrs Feature Summary

• High current handling capability with 750A RMS rating for robust power control applications
• Fast switching performance optimized for high-frequency inverter and converter circuits
• Stud mount construction facilitates direct heatsink attachment for superior thermal dissipation

Scrs Applications

• Industrial motor drives and variable frequency drives
• High-power DC-to-DC conversion systems
• Resistive and inductive load switching in heavy machinery

Scrs Procurement Notes

Verify the specific suffix 'B4' against official Powerex documentation to confirm pinout configuration and mechanical dimensions, as suffixes often denote critical manufacturing variations. Ensure the procurement channel provides original manufacturer packaging or verified authenticity certificates to prevent counterfeit components. Cross-reference the datasheet revision date to guarantee compatibility with current design specifications and regulatory compliance standards.

Scrs Selection Notes

Select this component when designing circuits requiring high surge tolerance and fast turn-off characteristics under 200V conditions. Evaluate the thermal resistance requirements of the application to ensure the T-72 package can dissipate heat effectively at 450A continuous operation. Consider the gate drive power requirements based on the 150mA trigger current limit to design appropriate triggering circuitry that ensures reliable firing without exceeding maximum ratings.

Scrs Part Context

This SCR belongs to the T72 series from Powerex, designed for high-power industrial applications. The T-72 package is a standard form factor for stud-mounted thyristors, allowing for compact integration into large-scale power electronics. The series emphasizes reliability and surge capacity, making it suitable for demanding environments where standard packages might fail due to thermal or electrical stress.

Scrs Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify compatibility with existing board layouts and thermal interfaces if sourcing alternatives from other manufacturers.