Notes:
(1) Reverse recovery test conditions: I
F
=0.5A, I
R
=1.0A, I
rr
=0.25A
(2) Measured at 1.0MHz and applied reverse voltage of 4.0 volts
(3) Thermal resistance from junction to lead at 0.375 (9.5mm) lead length P.C.B. mounted
Symbols
BA157
BA158
BA159
Units
Maximum repetitive peak reverse voltage
V
RRM
400
600
1000
Volts
Maximum RMS voltage
V
RMS
280
420
700
Volts
Maximum DC blocking voltage
V
DC
400
600
1000
Volts
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
=50
I
(AV)
1.0
Amp
Peak forward surge current
8.3mS single half sine-wave superimposed
on rated load at T
A
=25
I
FSM
35.0
Amps
Maximum instantaneous forward voltage at 1.0A
V
F
1.3
Volts
Maximum DC reverse current
at rated DC blocking voltage T
A
=25
I
R
5.0
A
Maximum reverse recovery time (Note 1)
T
rr
150
250
nS
Typical junction capacitance (Note 2)
C
J
15.0
F
Typical thermal resistance (Note 3)
R
JL
25
/W
Maximum operating junction temperature
T
J
-65 to +125
Maximum storage temperature
T
STG
-65 to +125
Features
BA157 THRU BA159
FAST SWITCHING PLASITC RECTIFIER
Reverse Voltage -
400 to 1000 Volts
Forward Current -
1.0 Ampere
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 /10 seconds, 0.375 (9.5mm) lead length,
5 lbs. (2.3Kg) tension
Maximum Ratings and Electrical Characteristics
1
Ratings at 25 ambient temperature unless otherwise specified.
Mechanical Data
Case: DO-41 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, 0.33 gram
DIMENSIONS
DIM
inches
mm
Note
Min.
Max.
Min.
Max.
A
0.165
0.205
4.2
5.2
B
0.079
0.106
2.0
2.7
C
0.028
0.034
0.71
0.86
D
1.000
-
25.40
-
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