HTZ280H20K

Diode Arrays Overview

The IXYS HTZ280H20K is a high-voltage diode rectifier module from the HTZ280H series, designed for demanding power conversion applications. It features a repetitive peak reverse voltage (VRRM) of 20,000 V and a maximum forward voltage of 23 V at 12 Amps peak current. The device supports a mean forward current of 4.7 A under air-cooled conditions and 4.5 A when oil-cooled. Key electrical characteristics include a peak reverse current of 0.5 mA at 150°C case temperature and a virtual junction temperature rating up to 180°C. The module weighs approximately 2.0 kg.

Diode Arrays Feature Summary

• Engineered for extreme high-voltage blocking capabilities with a 20 kV rating
• Capable of operating at elevated virtual junction temperatures up to 180°C
• Designed for robust thermal management in both air and oil cooling environments

Diode Arrays Applications

• High voltage DC transmission systems
• Industrial power supply rectification
• Electrostatic precipitator power supplies

Diode Arrays Procurement Notes

Verify the specific suffix 'K' against official datasheets to confirm mechanical mounting details and terminal configuration. Ensure thermal interface materials are compatible with the specified junction-to-ambient or junction-to-oil resistance values. Confirm that the application environment does not exceed the stated storage or operating temperature limits defined by the manufacturer.

Diode Arrays Selection Notes

Select this component when system requirements demand high voltage isolation exceeding standard industrial ratings. Evaluate cooling strategies carefully, as thermal performance differs significantly between air and oil immersion methods. Ensure the circuit design accommodates the specified surge current ratings and frequency range constraints for reliable long-term operation.

Diode Arrays Part Context

This part belongs to the HTZ280H series of high-voltage diode rectifiers manufactured by IXYS. The series offers various voltage ratings ranging from 20 kV to 32 kV, sharing similar structural designs and thermal characteristics. These modules are intended for specialized industrial applications requiring robust high-power semiconductor solutions.

Diode Arrays Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure any replacement matches the 20 kV voltage rating and physical mounting dimensions.