BA157 thru BA159
Fast Switching Plastic Rectifier
DO-204AL (DO-41)
Reverse Voltage
400 to 1000V
Forward Current
1.0A
1.0 (25.4)
MIN.
0.107 (2.7)
0.080 (2.0)
DIA.
Features
• Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
• High surge current capability
• Void-free plastic package
• Fast switching for high efficiency
• High temperature soldering guaranteed: 350°C/10 seconds,
0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension
0.205 (5.2)
0.160 (4.1)
Mechanical Data
1.0 (25.4)
MIN.
0.034 (0.86)
0.028 (0.71)
DIA.
Dimensions in inches and (millimeters)
Case:
JEDEC DO-204AL, molded plastic body
Terminals:
Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:
0.012 ounce, 0.3 gram
Packaging codes/options:
E2/4K per Ammo mag. (52mm tape), 20K/box
E3/5K per 13” reel (52mm tape), 10K/box
Maximum Ratings & Thermal Characteristics
SYMBOL
Ratings at 25°C ambient temperature unless otherwise specified.
BA158
BA159D
BA159
UNIT
BA157
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
=55°C
Peak forward surge current
10ms single half sine-wave superimposed
on rated load at T
A
=25°C
Maximum operation junction temperature
Maximum storage temperature
V
RRM
V
RMS
V
DC
I
F(AV)
400
280
400
600
420
600
1.0
800
560
800
1000
700
1000
V
V
V
A
I
FSM
T
J
T
STG
20
–65 to +125
–65 to +150
A
°C
°C
Electrical Characteristics
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOL
BA157
BA158
BA159D
BA159
UNIT
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current
at rated DC blocking voltage T
A
=25°C
Maximum reverse recovery time
at I
F
=0.5A, I
R
=1.0A, I
rr
=0.25A
Typical junction capacitance at 4.0V, 1MHz
V
F
I
R
t
rr
C
J
150
250
1.3
5.0
500
12
V
µA
ns
pF
11/15/01
BA157 thru BA159
Ratings and Characteristic Curves
(T
FIG. 1 - FORWARD CURRENT DERATING CURVE
A
= 25°C unless otherwise noted)
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FOR-
WARD SURGE CURRENT
1.0
AVERAGE FORWARD CURRENT
AMPERES
20
T
J
=55°C
8.3ms SINGLE HALF
SINE-WAVE (JEDEC Method)
PEAK FORWARD CURRENT
AMPERES
RESISTIVE OR
INDUCTIVE LOAD
0.375" (9.5mm) LEAD LENGTH
0.8
15
0.6
10
0.4
0.2
5
0
0
25
50
75
100
125
150
175
0
1
10
NUMBER OF CYCLES AT 50H
Z
100
AMBIENT TEMPERATURE,
°C
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
20
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
10
INSTANTANEOUS FORWARD CURRENT
AMPERES
100
10
T
J
=100°C
1
T
J
=25°C
PULSE WIDTH=300µs
1% DUTY CYCLE
1
0.1
T
J
=25°C
0.1
0.01
0
20
40
60
80
100
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
0.01
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
2.0
FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
100
TRANSIENT THERMAL IMPEDANCE,
°C/W
100
JUNCTION CAPACITANCE, pF
T
J
=25°C
f=1.0 MHz
Vsig=50mVp-p
10
10
1
1
0.1
1
10
100
0.1
0.01
0.1
1
t, PULSE DURATION, sec.
10
100
REVERSE VOLTAGE, VOLTS
MCU
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