H21 datasheet(2/2 Pages) ETC2

2 / 2 page

WEJ

ELECTRONIC

CO.,LTD

1.0

1.2

1.4

.001

.01

1.0

RATING AND CHARACTERISTIC CURVES (HFM201 THRU HFM207)

FIG.1-TYPICAL FORWARD

CHARACTERISTICS

FIG.5-TYPICAL JUNCTION CAPACITANCE

FORWARD VOLTAGE,(V)

Pulse Width 300us

1% Duty Cycle

(+)

25Vdc

(approx.)

( )

PULSE

GENERATOR

(NOTE 2)

OSCILLISCOPE

(NOTE 1)

NON-

INDUCTIVE

NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.

2. Rise Time= 10ns max., Source Impedance= 50 ohms.

+0.5A

-0.25A

-1.0A

1cm

SET TIME BASE FOR

50 / 10ns / cm

trr

D.U.T.

FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE

RECOVERY TIME CHARACTERISTICS

NONINDUCTIVE

Tj=25 C

FIG.2-TYPICAL FORWARD CURRENT

0.4

0.8

1.2

1.6

2.0

2.4

Single Phase

Half Wave 60Hz

Resistive Or Inductive Load

P.C.B. MOUNTED ON

0.3" * 0.3" (8.0mm * 8.0mm)

COPPER PAD AREAS

DERATING CURVE

AMBIENT TEMPERATURE ( C)

1.6

1.8

REVERSE VOLTAGE,(V)

175

120

100

.01

.05

100

125

150

175

FIG.4-MAXIMUM NON-REPETITIVE FORWARD

SURGE CURRENT

NUMBER OF CYCLES AT 60Hz

100

Tj=25 C

8.3ms Single Half

Sine Wave

JEDEC method

H21-H27

Http:// www.wej.cn

E-mail:wej@yongerjia.com

WEJ ELECTRONIC CO.

RoHS

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