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

BY251-BY255
3.0 AMP. Silicon Rectifiers
RATINGS AND CHARACTERISTIC CURVES (BY251 THRU BY255)
FIG.1- MAXIMUM FORWARD CURRENT
DERATING CURVE
4
3
2
Single Phase
Half Wave 60Hz
1 ^{Resistive or}
Inductive Load
0.375" (9.5mm)
Lead Length
00
25
50
75
100 125
AMBIENT TEMPERATURE. (^oC)
150 175
FIG.3- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT PER LEG
150
120
90
60
30
0
0
8.3ms Single Half Sine Wave
PER LEG. (JEDEC Method)
Tj=Tj max.
2
5
10
20
NUMBER OF CYCLES AT 60Hz
50
100
FIG.4- TYPICAL JUNCTION CAPACITANCE
100
50
Tj=25⁰C
10
5
1
1
5
10
50
100
REVERSE VOLTAGE. (V)
FIG.2- TYPICAL REVERSE CHARACTERISTICS
100
Tj=125⁰C
1
0.1
Tj=25⁰C
0.01
0
20
40
60
80
100
120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
FIG.5- TYPICAL FORWARD
CHARACTERISTICS
100
30
10
3
Tj=25^oC
1
Pulse Width=300 s
1% Duty Cycle
0.1
0.03
0.01
0.4
0.6 0.8 1.0 1.2 1.4
FORWARD VOLTAGE. (V)
1.6 1.8
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