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The D1721NH90T is a Ringback diode with a highly reliable, robust and sealed ceramic housing with a diameter of 120mm and a height of 26mm‌‌. The D1721NH90T device has full blocking capability of 50/60Hz over a wide temperature range, high DC voltage blocking stability, high impulse current capability and high housing non-rupture current, suitable for voltage source converters and other application scenarios ‌.

Main parameter

Maximum forward voltage (VF) ‌ : 3.5V at maximum junction temperature (Tvj max)

Maximum forward current (IFSM) ‌ : 35000A at 10ms pulse width

Maximum repetitive peak reverse voltage (VRRM) ‌ : 9000V

Thermal resistance (RthJC) ‌ : below 180°C/W

Junction temperature (Tvj max) ‌ : 140°C

Reverse leakage current (IR) ‌ : Maximum 1.36V at VRRM

Reverse recovery time (trr) ‌ : The typical value is 50ns

Application scenario

D1721NH90T diodes are mainly used in power electronic devices such as voltage source converters that require high reliability and stability. Its high DC voltage blocking capability and high impulse current capability make it outstanding in a variety of industrial applications ‌.

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