PD412411

Overview

The Powerex PD412411 is a POW-R-BLOK dual diode isolated module rated for 1100 Amperes and up to 2600 Volts. It features two series-connected silicon rectifier elements with an average forward current of 1100A per diode at 87°C case temperature. The device supports a repetitive peak reverse blocking voltage (VRRM) of 2400V, with a maximum non-repetitive surge current of 50,890A at 60Hz. Electrical isolation is provided via a 4000 Vrms barrier between the baseplate and junctions.

Feature Summary

• Electrically isolated heatsinking allows direct mounting on common heatsinks without additional insulation components
• Compression bonded elements ensure robust mechanical stability and low thermal impedance
• Metal baseplate design facilitates efficient heat dissipation and simplified installation
• UL Recognized certification ensures compliance with safety standards

Applications

• Bridge circuits
• AC & DC motor drives
• Battery supplies
• Power supplies
• Large IGBT circuit front ends

Procurement Notes

Verify the complete eight-digit part number against the manufacturer's ordering table to confirm specific voltage and current ratings. Ensure the selected variant matches the required application parameters, as suffixes indicate different electrical characteristics within the PD41__11 family. Confirm UL recognition status and mounting torque specifications during procurement validation.

Selection Notes

Select this module for high-current rectification applications requiring electrical isolation from the heatsink. Consider the 1100A average current rating and 2400V blocking voltage when designing bridge or motor drive circuits. Evaluate thermal management requirements based on the specified junction-to-case thermal resistance and allowable case temperatures under various conduction angles.

Part Context

This component belongs to the Powerex POW-R-BLOK dual diode isolated module family, designed for heavy-duty power electronics. The series offers various voltage and current combinations, utilizing compression bonded technology for reliability. These modules are engineered for industrial environments where high current handling and thermal efficiency are critical.

Replacement Considerations

Direct substitutes include other Powerex POW-R-BLOK dual diode modules with matching 1100A ratings and compatible voltage levels, such as variants in the LD41 or LS41 series if single-phase configurations differ. Verify pinout compatibility and mounting dimensions before substitution.

FAQ

What is the maximum non-repetitive surge current for the PD412411?

The maximum non-repetitive surge current is 50,890 A at 60 Hz with a junction temperature of 25°C and zero reverse voltage.

How is electrical isolation achieved in this module?

Electrical isolation is achieved through an insulated baseplate design, providing 4000 Vrms isolation between the junctions and the mounting surface at 25°C.

What is the typical weight of the PD412411 module?

The typical module weight is 5.33 kg (11.75 lb).