BA157 THRU BA159D
FAST SWITCHING PLASTIC RECTIFIER
Reverse Voltage -
400 to 800 Volts
DO-204AL
Forward Current -
1.0 Ampere
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
1.0 (25.4)
MIN.
0.107 (2.7)
0.080 (2.0)
DIA.
0.205 (5.2)
0.160 (4.1)
MECHANICAL DATA
1.0 (25.4)
MIN.
0.034 (0.86)
0.028 (0.71)
DIA.
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
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS
BA157
BA158
BA159D
UNITS
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 instantaneous forward voltage at 1.0A
Maximum DC reverse current
at rated DC blocking voltage T
A
=25°C
Maximum reverse recovery time
(NOTES 1)
Typical junction capacitance
(NOTE 2)
Maximum operation junction temperature
Maximum storage temperature
V
RRM
V
RMS
V
DC
I
(AV)
400
280
400
600
420
600
1.0
800
560
800
Volts
Volts
Volts
Amp
I
FSM
V
F
I
R
t
rr
C
J
T
J
T
STG
20.0
1.3
5.0
300
12.0
-65 to +125
-65 to +150
Amps
Volts
µA
ns
pF
°C
°C
NOTES:
(1) Reverse recovery test conditions: I
F
=10mA, I
R
=10mA, I
rr
=1mA for 400 to 800 Volt devices
(2) Measured at 1.0MH
Z
and applied reverse voltage of 4.0 Volts
4/98
RATINGS AND CHARACTERISTIC CURVES BA157 THRU BA159D
FIG. 1 - FORWARD CURRENT DERATING CURVE
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD
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 60H
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
T
J
=25°C
PULSE WIDTH=300µs
1% DUTY CYCLE
1
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
Integrated technical exchanges
京公网安备 11010802033920号
EEWORLD
