Document Number: 94663

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Revision: 22-Jul-10

5

UFH60GA60P

Tandem Insulated SOT-227

Power Module Hyperfast Rectifier, 60 A

Vishay Semiconductors

Fig. 10 - Reverse Recovery Parameter Test Circuit

Fig. 11 - Reverse Recovery Waveform and Definitions

IRFP250

D.U.T.

L = 70 μH

V

0.01

Ω

G

D

S

dI

adjust

Q

rr

0.5 I

RRM

dI

0.75 I

RRM

I

RRM

t

rr

t

b

t

a

I

F

dI

0

(1)

(2)

(3)

(4)

(5)

(1) dI

through zero crossing

(2) I

(3) t

from zero crossing point of negative

going I

through 0.75 I

extrapolated to zero current.

(4) Q

and I

RRM

t

2

Q

(5) dI

current during t