BY251_09 Datasheet, PDF (2/2 Pages) Pan Jit International Inc. – MEDIUM CURRENT PLASTIC RECTIFIER

BY251 ~ BY255
RATING AND CHARACTERISTIC CURVES
3.0
2.5
2.0
1.5
1.0
SINGLE PHASE HALF WAVE 60Hz
0.5 RESISTIVE OR INDUCTIVE LOAD
.375" (9.5mm) LEAD LENGTH
0
0
50
100
150
AMBIENT TEMPERATURE, ^OC
FIG.1 FORWARD CURRENT DERATING CURVE
100
10
1.0
0.1
0 .01
0.5
0.7
0.9
1.1
1.3
1.5
1.7
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
FIG.2 TYPICAL FORWARD CHARACTERISTICS
100
10
1
?.1
10
100
REVERSE VOLTAGE, VOLTS
FIG.3 TYPICAL JUNCTION CAPACITANCE
120
100
80
60
40
20
0
1
2
6 10
20
40 60 100
NO. OF CYCLES AT 60Hz
Fig.4 MAXIMUM NON REPETITIVE PEAK SURGE CURRENT
1000
100
TJ = 125^oC
10
TJ = 100^OC
1.0
TJ = 25^OC
0.1
20
40
60
80 100 120 140
PERCENTAGE OF PEAK REVERSE VOLTAGE,%
Fig.5-TYPICAL REVERSE CHARACTERISTIC
STAD-FEB.27.2009
1
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