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General Semiconductor |
BA157 THRU BA159D
FAST SWITCHING PLASTIC RECTIFIER
Reverse Voltage - 400 to 800 Volts
Forward Current - 1.0 Ampere
DO-204AL
0.107 (2.7)
0.080 (2.0)
DIA.
1.0 (25.4)
MIN.
0.205 (5.2)
0.160 (4.1)
0.034 (0.86)
0.028 (0.71)
DIA.
1.0 (25.4)
MIN.
Dimensions in inches and (millimeters)
FEATURES
♦ Plastic package has
Underwriters Laboratory
Flammability Classification 94V-0
♦ High surge current capabability
♦ 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
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at TA=55°C
Peak forward surge current
10ms single half sine-wave superimposed
on rated load at TA=25°C
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current
at rated DC blocking voltage TA=25°C
Maximum reverse recovery time (NOTES 1)
Typical junction capacitance (NOTE 2)
Maximum operation junction temperature
Maximum storage temperature
SYMBOLS
VRRM
VRMS
VDC
I(AV)
IFSM
VF
IR
trr
CJ
TJ
TSTG
BA157
400
280
400
BA158
600
420
600
1.0
BA159D
800
560
800
20.0
1.3
5.0
300
12.0
-65 to +125
-65 to +150
NOTES:
(1) Reverse recovery test conditions: IF=10mA, IR=10mA, Irr=1mA for 400 to 800 Volt devices
(2) Measured at 1.0MHZ and applied reverse voltage of 4.0 Volts
UNITS
Volts
Volts
Volts
Amp
Amps
Volts
µA
ns
pF
°C
°C
4/98
RATINGS AND CHARACTERISTIC CURVES BA157 THRU BA159D
FIG. 1 - FORWARD CURRENT DERATING CURVE
1.0
0.8
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
20
TJ=55°C
8.3ms SINGLE HALF
SINE-WAVE (JEDEC Method)
15
0.6
10
0.4
0.2
RESISTIVE OR
INDUCTIVE LOAD
0.375" (9.5mm) LEAD LENGTH
0
0 25 50 75
100
125
AMBIENT TEMPERATURE, °C
150
175
5
0
1 10 100
NUMBER OF CYCLES AT 60HZ
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
20
10
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
100
TJ=25°C
PULSE WIDTH=300µs
1% DUTY CYCLE
1
10
1
TJ=100°C
0.1
0.01
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
100
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
TJ=25°C
f=1.0 MHz
Vsig=50mVp-p
0.1
0.01
0
TJ=25°C
20 40 60 80
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
100
FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE
100
10
10
1
1
0.1 1 10 100
REVERSE VOLTAGE, VOLTS
0.1
0.01
0.1 1 10
t, PULSE DURATION, sec.
100
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