BY251 Datasheet, PDF (2/2 Pages) Pan Jit International Inc. – MEDIUM CURRENT PLASTIC RECTIFIER(VOLTAGE - 200 to 1300 Volts CURRENT - 3.0 Amperes)

AXIAL SILASTIC GUARD JUNCTION STANDARD RECTIFIER
BY251 THRU BY255
VOLTAGE RANGE
CURRENT
200 to 1300 Volts
3.0 Ampere
RATING AND CHRACTERISTIC CURVES BY251 Thur BY255
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
3.0
2.5
2.0
1.5
1.0
0.5
0
0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
25
50
75
100
125
150
175
AMBIENT TEMPERATURE, (° C)
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
150
125
8.3ms Single Half Sine-Wave
100
(JEDEC Method) =T Tj jmax
75
50
25
0
1
2
5
8 10
20
50
100
NUMBER OF CYCLES AT 60 Hz
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
100
10
1
0.1
Tj =25° C
Pulse Width=300us
1% Duty Cycle
0.01
0.6
0.8
1.0
1.2
1.4 1.6
1.8
2.0
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG.5-TYPICAL JUNCTION CAPACITANCE
100
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
20
10
T_j =100° C
1.0
0.1
T_j =25° C
0.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
10
TJ=25° C F=1MHz
10
0.1
1.0
4.0
10.0
100
REVERSE VOLTAGE,(VOLTS)
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