BA157 THRU BA159
FAST RECOVERY RECTIFIERS
Reverse Voltage - 400 to 1000 Volts Forward Current - 1.0 Ampere
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
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
FEATURES
MECHANICAL DATA
Dimensions in inches and (millimeters)
DO-41
0.107(2.7)
0.080(2.0)
DIA.
0.034(0.9)
0.028(0.7)
DIA.
1.0 (25.4)
MIN.
0.205(5.2)
0.166(4.2)
1.0 (25.4)
MIN.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
600
420
600
1000
700
1000
VOLTS
VOLTS
VOLTS
SYMBOLS
UNITS
Amp
Amps
Volts
VRRM
VRMS
VDC
I(AV)
IFSM
VF
1.0
30.0
1.3
Operating junction and storage temperature range
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=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 TA=25 C
at rated DC blocking voltage TA=100 C
IR
5.0
50.0
RqJA
CJ
TJ,TSTG
50.0
15.0
-65 to +150
pF
C
A
u
Typical thermal resistance (NOTE 3)
C/W
Typical junction capacitance (NOTE 2)
Maximum reverse recovery time (NOTE 1)
trr
150 250
500
ns
Note:1.Reverse recovery condition IF=0.5A,IR=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
400
280
400
BA157 BA158 BA159
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%.
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