LESHAN RADIO COMPANY, LTD.
BA157–BA159
RATING & CHARACTERISTIC CURVES OF FAST RECOVERY DIODES
FIG. 1 – FORWARD CURRENT
DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
FIG. 2 – MAXINUM NON-REPETITIVE
FOWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT,(A)
20
1.0
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
150
175
Resistive or
Inductive Load
0.375”(9.5mm)
Lead Length
T
J
=55ºC
8.3ms Single Half Sine-Wave
(JEDEC Method)
15
10
5
AMBIENT TEMPER ATURE, (ºC)
0
1
10
NUMBER OF CYCLES AT 60Hz
100
FIG. 3 – TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
20
10
INSTANTANEOUS FORWARD CURRENT, (A)
FIG. 4 – TYPICAL REVERSE CHARACTERISTICS
10
INSTANTANEOUS REVERSE CURRENT (µA)
T
J
=25ºC
1.0
1.0
T
J
=100ºC
.1
0.1
0.01
T
J
=25ºC
Pulse Width=300µs
1% Duty Cycle
.01
.4
.6
.8
1.0
1.2
1.4
1.6
1.8
0.001
0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE,(V)
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 5 – TYPICAL JUNCTION CAPACITANCE
100
60
40
T
J
=25ºC
f = 1.0MHz
Vsig = 50mV
FIG. 6 – TYPICAL TRANSIENT THERMAL IMPEDANCE
100
60
p-p
TRANSIENT THERMAL IMPEDANCE. ºC/W
JUNCTION CAPACITANCE,(pF)
40
20
10
6
4
20
10
6
4
2
1
.1
.2
.4
1.0
2
4
10
20
40
100
REVERSE VOLTAGE,(V)
2
1
0.01
0.1
1
10
100
t, PULSE DURATION. (sec)
15A–2/2
LRC [ LESHAN RADIO COMPANY ]
