PEARSON 411

CURRENT

TRANSFORMER

0.5 IRRM

di

30µH

D.U.T.

+15v

-15v

0v

Vr

4

3

1

2

5

5

0.75 IRRM

trr/Qrr

Waveform

Zero

6

1

2

3

4

6

di

Current Change Through Zero Crossing.

I

I

diM/dt - Maximum Rate of Current Change During the Trailing Portion of trr.

Current Falling Through Zero to a Tangent Line

{

diM/dt

}

Extrapolated Through Zero Defined by 0.75 and 0.50 I

6

Figure 9, Diode Reverse Recovery Test Circuit and Waveforms

Figure 10, Diode Reverse Recovery Waveform and Definitions

APT Reserves the right to change, without notice, the specifications and information contained herein.

TO-247 Package Outline

15.49 (.610)

16.26 (.640)

5.38 (.212)

6.20 (.244)

6.15 (.242) BSC

4.50 (.177) Max.

19.81 (.780)

20.32 (.800)

20.80 (.819)

21.46 (.845)

1.65 (.065)

2.13 (.084)

1.01 (.040)

1.40 (.055)

10.90 (.430) BSC

3.50 (.138)

3.81 (.150)

4.69 (.185)

5.31 (.209)

1.49 (.059)

2.49 (.098)

2.21 (.087)

2.59 (.102)

0.40 (.016)

0.79 (.031)

Dimensions in Millimeters and (Inches)

Anode

Cathode

APT30D40B