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28 PRODUCT CATALOG POWER SEMICONDUCTORS
Diodes
Diodes are used in a number of different applications. Each of these applications sets different requirements on the diodes’ characteristics.
Inverter applications ask for fast recovery diodes with soft-switching characteristics, high-current rectifiers demand diodes with low on-state losses, medium-power rectifiers benefit from diodes
with avalanche capability and welding rectifiers require highest current in the smallest package.
Hitachi ABB Power Grids offers four press-pack diode families that meet these requirements:
• Fast recovery diodes • Standard rectifier and
avalanche diodes • Welding diodes
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