LESHAN RADIO COMPANY, LTD.
15A2/2
BA157BA159
RATING & CHARACTERISTIC CURVES OF FAST RECOVERY DIODES
FIG. 1 FORWARD CURRENT
DERATING CURVE
AMBIENT TEMPER ATURE, (C)
A
VERAGE FOR
W
ARD CURRENT
,(A)
T
J
=55C
8.3ms Single Half Sine-Wave
(JEDEC Method)
1
10
100
20
15
10
5
0
.4
.6
.8
1.0
1.2
1.4
1.6
1.8
20
10
1.0
0.1
.01
T
J
=25C
Pulse Width=300
s
1% Duty Cycle
.1
.2
.4
1.0
2
4
10
20
40
100
100
60
40
20
10
6
4
2
1
T
J
=25C
f = 1.0MHz
Vsig = 50mV
p-p
FIG. 5 TYPICAL JUNCTION CAPACITANCE
FIG. 2 MAXINUM NON-REPETITIVE
FOWARD SURGE CURRENT
JUNCTION CAP
ACIT
ANCE,(pF)
REVERSE VOLTAGE,(V)
PEAK FOR
W
ARD SURGE CURRENT
,(A)
NUMBER OF CYCLES AT 60Hz
FIG. 3 TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD VOLTAGE,(V)
INST
ANT
ANEOUS FOR
W
ARD CURRENT
, (A)
0
25
50
75
100
125
150
175
Resistive or
Inductive Load
0.375"(9.5mm)
Lead Length
1.0
0.8
0.6
0.4
0.2
0
0
20
40
60
80
100
10
1.0
.1
0.01
0.001
T
J
=25C
INST
ANT
ANEOUS REVERSE CURRENT (
A)
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 4 TYPICAL REVERSE CHARACTERISTICS
T
J
=100C
0.01
0.1
1
10
100
100
60
40
20
10
6
4
2
1
FIG. 6 TYPICAL TRANSIENT THERMAL IMPEDANCE
TRANSIENT THERMAL IMPEDANCE.
C/W
t, PULSE DURATION. (sec)