BY255 datasheet(2/2 Pages) YIXIN

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RATING AND CHARACTERISTIC CURVES

BY251 THRU BY255

100

120

140

160

180

TJ = BOTH LEADS TO

HEAT SINK WITH

LENGTHS (f) AS

SHOWN

1=.25"(6.3min)

1=.50"(12.7min)

1=.301"(.79min)

TA=AMBIENT TEMPERATURE

0.375(9.5mm) LEAD

P.C.BOARD MOUNTING

RESISTIVE OR INDUCTIVE

LOAD

TEMPERATURE, ¢J

200

100

8.3ms Single Half Since-Wave

JEDEC Method

MON-REPETITIVE

TJ=150

¢J

REPETITIVE

AMBIENT TEMPERATURE, ¢J

Fig. 1-FORWARD CURRENT DERATING CURVE

Fig. 2-MAXIMUM PEAK FORWARD SURGE CURRENT

100

TJ = 25¢J

f = 1MHz

Visg = 50m Vp-p

REVERSE VOLTAGE, VOLTS

Fig. 4-TYPICAL JUNCTION CAPACITANCE

100

3.0

1.0

0.3

0.1

.03

.01

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

Tj = 25 ¢J

Pulse Width = 300£g s

2% Duty Cycle

INSTANTANEOUS FORWARD VOLTAGE, VOLTS

Fig. 3-TYPICAL INSTANTANEOUS FORWARD

CHARACTERISTICS

1.0

0.1

.01

100 120

140

TA = 100

¢J

TA = 25

¢J

PERCENT OF RATED PAK REVERSE VOLTAGE, %

Fig. 5-TYPICAL REVERSE CHARACTERISTICS

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