BA157 THRU BA159
FAST RECOVERY RECTIFIERS
Reverse Voltage - 400 to 1000 Volts
DO-41
Forward Current - 1.0 Ampere
FEATURES
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
Fast switching for high efficiency
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
250 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)
0.166(4.2)
MECHANICAL DATA
1.0 (25.4)
MIN.
0.034(0.86)
0.028(0.70)
DIA.
Dimensions in inches and (millimeters)
Case:
JEDEC 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 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
MDD Catalog Number
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
=75 C
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current
T
A
=25 C
at rated DC blocking voltage
T
A
=100 C
Maximum reverse recovery time
(NOTE 1)
Typical junction capacitance (NOTE 2)
Typical thermal resistance (NOTE 3)
Operating junction and storage temperature range
SYMBOLS
BA157
BA158
BA159
UNITS
VOLTS
VOLTS
VOLTS
Amp
V
RRM
V
RMS
V
DC
I
(AV)
400
280
400
600
420
600
1.0
1000
700
1000
I
FSM
V
F
I
R
t
rr
C
J
R
θ
JA
T
J
,
T
STG
150
30.0
1.3
5.0
50.0
250
15.0
50.0
-65 to +150
500
Amps
Volts
µ
A
ns
pF
C/W
C
Note:1.Reverse
recovery condition I
F
=0.5A,I
R
=1.0A,Irr=0.25A
2.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
3.Thermal resistance from junction to ambient at 0.375”(9.5mm)lead length,P.C.B. mounted
MDD ELECTRONIC
CHENDA [ Chendahang Electronics Co., Ltd ]
