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The GT40WR21,Q is a silicon N-channel IGBT from Toshiba Semiconductor and Storage, designed for voltage-resonant inverter switching applications. It features an integrated freewheeling diode (RC-IGBT) within the chip. The device operates with a collector-emitter voltage of 1800 V and a continuous collector current of 40 A at 25°C. Key electrical parameters include a typical saturation voltage of 2.9 V at 40 A, a fall time of 0.15 µs, and a reverse recovery time of 1.0 µs. It supports a maximum junction temperature of 175°C and utilizes a TO-3P(N) through-hole package.
Verify the specific ordering suffix against official Toshiba documentation to confirm exact packaging or environmental compliance details. Confirm RoHS compatibility status directly with the manufacturer or authorized distributors prior to procurement. Ensure that design margins account for the absolute maximum ratings provided in the datasheet to maintain operational reliability under varying thermal conditions.
Select this component specifically for voltage-resonant inverter designs where high-speed switching and low conduction losses are required. Evaluate the thermal resistance and heat dissipation requirements carefully, as the device supports a maximum junction temperature of 175°C. Ensure gate drive circuits accommodate the specified input capacitance and switching times to achieve optimal performance without exceeding safe operating area limits.
This part belongs to Toshiba's discrete IGBT lineup, representing the 6.5th generation technology. It is engineered to provide improved switching speed and lower saturation voltage compared to previous iterations. The integration of the freewheeling diode simplifies circuit design by reducing component count and parasitic inductance in high-frequency power conversion systems.
Consult official Toshiba cross-reference lists for verified substitutes. Generic replacements may not match the specific RC-IGBT configuration or switching characteristics required for resonant inverter applications.