ARF774 FAST RECOVERY DIODE

FINAL SPECIFICATION

June 17 - Issue: 5

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di/dt [A/µs]

FORWARD RECOVERY VOLTAGE

Tj = 125

°C

Tj=25

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di/dt [A/µs]

REVERSE RECOVERY CHARGE

Tj = 140 °C

500 A

250 A

1000 A

ta

ta = Irr / (di/dt)

tb = trr - ta

Softness (s factor) s = tb / ta

Energy dissipation during recovery Er = Vr ·(Qrr - Irr ·ta / 2)

Irr

Vr

tb

d i/d t

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1200

0

100

200

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di/dt [A/µs]

REVERSE RECOVERY CURRENT

Tj = 140 °C

500 A

250A

1000 A