BA157 datasheet(2/2 Pages) ETC2

2 / 2 page

WEJ

ELECTRONIC

CO.,LTD

1.2

1.0

0.8

0.6

0.4

0.2

100

125

150

175

6 8 10

60 80100

1.0

0.1

0.01

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

100

0.1

1.0

100

8.3ms Single Half Sine-Wave

(JEDEC Method) T =T max

T =25 C

Pulse Width=300us

1% Duty Cycle

FIG.1-TYPICAL FORWARD CURRENT

DERATING CURVE

FIG.2-MAXIMUM NON-REPETITIVE PEAK

FORWARD SURGE CURRENT

FIG.3-TYPICAL INSTANTANEOUS

FORWARD CHARACTERISTICS

FIG.4-TYPICAL REVERSE

CHARACTERISTICS

FIG.5-TYPICAL JUNCTION CAPACITANCE

AMBIENT TEMPERATURE,( C)

NUMBER OF CYCLES AT 60 Hz

INSTANTANEOUS FORWARD VOLTAGE,(V)

PERCENT OF RATED PEAK

REVERSE VOLTAGE,(%)

REVRESE VOLTAGE,(V)

1 Cycle

100

1.0

0.1

100

120

140

T =50 C

T =25 C

Single Phase

Half Wave 60Hz

Resistive or

Inductive Load

0.375 (9.5mm) Lead Length

＂

T =25 C

f=1MHz

V =50mVp-p

sig

NOTES: 1.Rise Time=7ns max.Input Impedance=

1 megohm.22pF

2.Rise time=10ns max.Source Impedance=

50 ohms

FIG.6-TEST CIRCUIT DIAGRAM AND

REVERSE RECOVERY TIME CHARACTERISTIC

PULSE

GENERATIOR

(NOTE 2)

NONINDUCTIVE

25 Vdc

(approx.)

NON

INDUCTIVE

OSCILLOSCOPE

(NOTE 1)

(-)

(+)

(-)

+0.5A

-0.25A

-1.0A

Trr

1cm

SET TIME BASE FOR

50/100ns/cm

D.U.T.

BA157-159

Http:// www.wej.cn

E-mail:wej@yongerjia.com

WEJ ELECTRONIC CO.

RoHS

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