BY251 THRU BY255
GENNERAL PURPOSE RECTIFIERS
FIG.1 -- TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT,
200V-1300V 3.0A
FIG.2 -- TYPICAL CURRENT DERATING CURVE
10
4
2
AVERAGE FORWARD CURRENT
AMPERES
100
4
3
AMPERES
1.0
0.4
0.2
0.1
0.06
0.04
0.02
0.01
0.6
0.8
1.0
1.2
1.4
1.6
T
J
=25
P ulse W idth=3 00uS
2
1
Single Phase
Half Wave 60H
Z
Resistive or
Inductive Load
0
0
25
50
75
100
125
150
FORWARD VOLTAGE, VOLTS
AMBIENT TEMPERATURE,
10
100
T
J
= 125 °C
T
J
= 25 °C
f = 1.0 MHz
V
sig
= 50 mV
p-p
Instantaneous Reverse Leakage
Current (μA)
1
T
J
= 75 °C
0.1
T
J
= 25 °C
0.01
0
20
40
60
80
100
Junction Capacitance (pF)
10
1
10
100
Percent of Rated Peak Reverse Voltage (%)
Reverse Voltage (V)
Fig. 3 - Maximum Non-Repetitive Peak Forward Surge Current
Fig. 5 - Typical Junction Capacitance
100
Instantaneous Forward Current (A)
10
T
J
= 25 °C
Pulse Width = 300 μs
1 % Duty Cycle
1
0.1
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
Instantaneous Forward Voltage (V)
Fig. 4 - Typical Instantaneous Forward Characteristics
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