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IXYS UK Introduces New 2.2kV Rugged 15.4kA Rectifier Diode With Record Power Density For High Power Management

IXYS Corporation (NASDAQ:IXYS) an international power and IC semiconductor company, introduces the first of a new range of 83mm diameter die rectifier diodes. The new 2.2kV rectifier, has a current rating of 15,450 amperes, represent a new technology platform for bonded-wafer level construction with a favourable high power density- “more power less package”. This technology offers better electromechanical and thermal performance as compared to prior designs.

The 2.2kV rectifier diode has an average current rating (Case temperature 55C) of 8,570 amperes and surge current rating of 78,000 amperes, with a junction to heat sink thermal resistance of 0.008 K/W.

The thermal capacity of the metal disc and its direct fusion to the silicon enhances performance and gives excellent transient thermal and surge current ratings. The new package design, which retains an industry standard footprint, allows for the maximum silicon to package ratio and represents a 46% increase in current density over older designs in a similar package outline. It is an extension of our proven 83mm Si technology that we introduced recently for our high performance 2.8kV and 4.5kV Phase Control Thyristors, commented Frank Wakeman, Marketing and Technical Support Manager for IXYS UK.

The device is available in an industry standard 26mm thick package and two voltage grades. Designations: W8570TJ180 (1800V) and W8570TJ220 (2200V). Additional products with voltage ratings up to 6kV will be launched through 2013 as well as a 36mm thicker package option.

Typical applications for these devices include: Track side rectifiers, Chemical power supplies, Industrial rectifiers and all rectifier applications requiring very high powers.

For data sheets, please go to the IXYS UK website at or please contact us at (email: or telephone: +44 (0)1249 444524 for quotation.


Located in Chippenham, England, IXYS UK Westcode Ltd is the IXYS leading manufacturing site for very high power thyristors, SCRs and rectifiers ranging up to 6500 Volts and 15,000 Amps. IXYS UK continues to supply high technology components for a wide range of applications such as wind and solar energy, welding, AC and DC motor drives for oil, marine and water treatment facilities, uninterruptible power supplies, motor soft starters, transportation, induction heating, mining equipment and many other industrial applications.

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