IXYS Corporation announced the launch of a high current 6kV rectifier diode with an average current rating up to 6395 A, at a heat sink temperature of 55 degrees Celsius. The new device is IXYS’ highest current rated rectifier diode in this voltage class and is believed to be the highest current rating available today on the open market.
The new 6kV device comes in a fully hermetic package with an 85mm electrode diameter and overall diameter of 124mm. The device is available in two package thickness options of 26mm and 35mm thick, with respective RMS current ratings of 11.77 kA and 10.6 kA at 25 degrees Celsius and surge ratings of more than 60 kA.
With the silicon die directly bonded to a metallic disc, the new 96mm die device is constructed using a new improved process when compared to prior art. The thermal capacity of the metal disc and its direct fusion to the silicon enhances performance and presents excellent transient thermal and surge current ratings, much better than floating silicon designs. The new package design, while retaining an industry standard footprint, allows for the maximum silicon to package ratio and represents a much higher current density than designs using older technology, and is suitable for applications with power ratings up to 10 megawatts and more.
“The high current handling capability of the new 6kV device offers the opportunity to replace smaller devices operated in parallel in order to achieve power ratings not previously attainable in a single device; thus significantly reducing component count and system size, as well as cost. The press-pack construction also makes the device a first-choice solution where devices are required to be operated in series for medium and high voltage applications,” commented Frank Wakeman, IXYS UK’s Marketing and Technical Support Manager.
The device is available in two standard voltage grades. Part number designations are as follows: for the 26mm thick package, W6360EC520 at 5200 Vs and W6360EC600 for 6000 V, and for the 35mm thick package, W5715ED520 at 5200 V and W5715ED600 for 6000 V. Typical applications for this device include medium and high voltage rectifiers for applications in utilities and grid solutions, very high current chemical power supplies, and other industrial applications which require both very high current and voltage.
More information: IXYS UK; sales@ixysuk.com; o+44 (0)1249 444524; US sales only: Ray Segall, IXYS Long Beach 562-296-6584.
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