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The IXYS N4240EA520 is a phase control thyristor with a repetitive peak off-state voltage of 5200 V. It supports a mean on-state current of 4240 A at a heatsink temperature of 55°C and 3020 A at 85°C under double-side cooling conditions. The device features a nominal RMS on-state current of 8200 A and a DC on-state current capability of 7515 A. Peak non-repetitive surge currents reach 47.5 kA, supported by an I²t capacity of 10.26×10⁶ A²s. Thermal resistance from junction to heatsink is rated at 0.005 K/W for double-side cooling.
Verify the specific voltage grade suffix (e.g., 520) matches the required system voltage. Confirm the mounting configuration aligns with your thermal design, as ratings vary significantly between double-side and cathode-side cooling. Ensure gate drive circuits meet the specified trigger current and voltage requirements to prevent device damage during turn-on.
Select this component when system voltages exceed standard industrial levels and require massive current transfer capabilities. Evaluate the thermal management strategy carefully, as the device offers distinct performance metrics depending on whether double-side or single-side cooling is utilized. Verify that the application can accommodate the physical dimensions and required clamping force of the capsule package.
This part belongs to the N4240EA series of high-power phase control thyristors manufactured by IXYS UK Westcode Ltd. The series includes variants with different voltage ratings, such as the N4240EA480. These devices are designed for heavy-duty industrial environments requiring reliable high-voltage switching and high-current conduction capabilities.
N4240EA480