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Электронный компонент: BA157

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LESHAN RADIO COMPANY, LTD.
15A1/2
1 A
1A FAST RECOVERY DIODES
BA157
BA158
BA159D
BA159
TYPE
Maximum
Peak Reverse
Voltage
Maximum Average
Rectified Current
@ Half-Wave
Resistive Load 60Hz
Maximum
Forward Peak
Surge Current @
8.3ms Superimposed
Maximum
Reverse
Current @ PRV
@ T
A
=25C
Maximum
Forward
Voltage
@ T
A
=25C
Package
Dimensions
Maximum
Reverse
Recovery Time
1.0
Trr
I
F
= 0.5A, I
R
= 1.0A, I
RR
= 0.25A
Trr Test Conditions: I
F
= 0.5A, I
R
= 1.0A, I
RR
= 0.25A
400
600
800
1000
PRV
V
PK
I
O
@ T
L
A
AV
C
I
FM
(Surge)
A
PK
I
R
Adc
I
FM
V
FM
A
PK
V
PK
Trr
ns
55
20
5.0
1.0
1.3
150
250
500
500
BA157 BA159
DO 41
DO 41
.107(2.7)
DIA
.080(2.0)
1.0(25.4)
MIN
.205(5.2)
.166(4.2)
.034(0.9)
DIA
.028(0.7)
1.0(25.4)
MIN
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)