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Thyristors offer more than 40% increase in current rating over existing designs

Tue, 11/05/2013 - 9:54am

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IXYS Corporation announced that its wholly owned UK subsidiary, IXYS UK Westcode Ltd., introduced three new 1.8kV pressure contact phase control thyristors with increased power density.
 
The new improved designs offer more than 40% increase in current rating over existing designs, while retaining the overall same package footprint. The improvement in performance is achieved by maximising the die size and an improved package design. The new silicon dice are bonded and encapsulated in fully hermetic ceramic packages with a novel design that have reduced thermal resistance, and the dice have enhanced electrical performance.

The new 2.2 inch (56mm) die device has an average current rating of 2600A and the package has a 2 inch (50mm) electrode contact diameter, with an industry standard overall diameter of 3 inches (74mm). The new 2.7 inch (69mm) die devices have average current ratings of 3175A to 3565A and the packages have a 2.6 inch (66mm) electrode contact diameter, with industry standard overall diameters of 4 inches (101.5mm).

The 2.2 inch (56mm) die device is available in an industry standard 1 inch (26mm) thick package and two voltage grades. Designations are: N2600MC160 (Vdrm/Vrrm 1600 Volts), N2600MC180 (Vdrm/Vrrm 1800). The 2.7 inch (69mm) die device is available in two industry standard package thicknesses, 1 inch (26mm) and 1.4 inch (35mm), plus two voltage grades. Designations are: 1 inch (26mm) thick package N3565HA160 (Vdrm/Vrrm 1600 Volts), N3565HA180 (Vdrm/Vrrm 1800) and 1.4 inch (35mm) thick package N3175HE160 (Vdrm/Vrrm 1600 Volts), N3175HE180 (Vdrm/Vrrm 1800).

Typical applications include soft starters, DC drives, and all controlled rectifier applications requiring devices in this power rating.

 
For data sheet please go to the IXYS UK website at www.ixysuk.com.

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