BA157 thru BA159
Fast Switching Plastic Rectifier
Reverse Voltage 400 to 1000V
Forward Current 1.0A
0.107 (2.7)
0.080 (2.0)
0.034 (0.86)
0.028 (0.71)
DIA.
1.0 (25.4)
MIN.
1.0 (25.4)
MIN.
0.205 (5.2)
0.160 (4.1)
DIA.
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOL BA157 BA158 BA159D BA159 UNIT
Maximum repetitive peak reverse voltage VRRM 400 600 800 1000 V
Maximum RMS voltage VRMS 280 420 560 700 V
Maximum DC blocking voltage VDC 400 600 800 1000 V
Maximum average forward rectified current
0.375" (9.5mm) lead length at TA=55°CIF(AV) 1.0 A
Peak forward surge current
10ms single half sine-wave superimposed IFSM 20 A
on rated load at TA=25°C
Maximum operation junction temperature TJ65 to +125 °C
Maximum storage temperature TSTG 65 to +150 °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 VF1.3 V
Maximum DC reverse current
at rated DC blocking voltage TA=25°CIR5.0 µA
Maximum reverse recovery time
at IF=0.5A, IR=1.0A, Irr=0.25A trr 150 250 500 ns
Typical junction capacitance at 4.0V, 1MHz CJ12 pF
DO-204AL (DO-41)
11/15/01
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
Mechanical Data
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
Dimensions in inches and (millimeters)
025 50 75 100 125 150 175
0
0.2
0.4
0.6
0.8
1.0
110 100
0
5
10
15
20
0.4 0.6 1.0 1.2 1.4 1.6 2.0
0.01
0.1
1
10
20
0.1 110 100
1
10
100
0.01 0.1 110 100
0.1
1
10
100
0.8
20 60 80 100
0.01
1
10
100
0.1
40
0
1.8
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
TJ=25°C
f=1.0 MHz
Vsig=50mVp-p
REVERSE VOLTAGE, VOLTS
JUNCTION CAPACITANCE, pF
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG. 1 - FORWARD CURRENT DERATING CURVE
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
AMBIENT TEMPERATURE, °C
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
INSTANTANEOUS FORWARD CURRENT
AMPERES
AVERAGE FORWARD CURRENT
AMPERES
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FOR-
WARD SURGE CURRENT
NUMBER OF CYCLES AT 50HZ
PEAK FORWARD CURRENT
AMPERES
TJ=25°C
PULSE WIDTH=300µs
1% DUTY CYCLE
TJ=100°C
TJ=25°C
FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE
t, PULSE DURATION, sec.
TRANSIENT THERMAL IMPEDANCE, °C/W
RESISTIVE OR
INDUCTIVE LOAD
TJ=55°C
8.3ms SINGLE HALF
SINE-WAVE (JEDEC Method)
0.375" (9.5mm) LEAD LENGTH
BA157 thru BA159
Ratings and Characteristic Curves(TA= 25°C unless otherwise noted)