DSF20545SF44 View Datasheet(PDF) - Dynex Semiconductor

Part Name

Description

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DSF20545SF44

Fast Recovery Diode

Dynex Semiconductor 

DEFINITION OF K FACTOR AND QRA1

dIR/dt

t1

0.5x IRR

IRR

QRA1 = 0.5x IRR(t1 + t2)

t2 k = t1/t2

τ

CURVES

4000

Measured under pulse conditions

3500

3000

2500

Tj = 150˚C

2000

1500

Tj = 25˚C

1000

500

1.0

1.5

2.0

2.5

3.0

Instantaneous forward voltage VF - (V)

Fig.1 Maximum (limit) forward characteristics

DSF20545SF

3/8

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