
BA157 THRU BA159D
FAST SWITCHING PLASTIC RECTIFIER
Reverse Voltage -
400 to 800 Volts
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
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.
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
400
280
400
600
420
600
800
560
800
Volts
Volts
Volts
I
(AV)
1.0
Amp
I
FSM
20.0
Amps
V
F
1.3
Volts
I
R
5.0
μ
A
t
rr
C
J
T
J
T
STG
300
12.0
ns
pF
°C
°C
-65 to +125
-65 to +150
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
DO-204AL
Dimensions in inches and (millimeters)
0.107 (2.7)
0.080 (2.0)
DIA.
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)