CE
BA157 THRU BA159
CHENYI ELECTRONICS
FAST RECOVERY RECTIFIER
Reverse Voltage - 400 to 1000 Volts
Forward Current - 1.0Ampere
FEATURES
. Plastic package has Underwrites Laboratory
Flammability Classification 94V-0
. Fast switching speed
. Diffused junction
. High current capability
. High temperature soldering guaranteed: 250 /10 seconds,
0.375"(9.5mm)lead length,5lbs.(2.3kg)tension
MECHANICAL DATA
.
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 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
(Ratings at 25 ambient temperature unless otherwise specified,Single phase,half wave 60Hz,resistive or inductive)
load. For capacitive load,derate current by 20%)
Symbols
BA157
BY158
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
100
Volts
Macimum average forward rectified
current 0.375"(9.5mm)lead length at
T
A
=75
Peak forward surge current 8.3ms
sing-wave superimposed on rated load
(JEDEC method)
T
A
=75
Maximum instantaneous forward voltage at 1.0 A
V
F
Volts
Maximum reverse recovery time(Note 1)
Trr
250
ns
Maximum thermal resistance
R
JA
/W
Typical junction Capacitance(Note 2)
C
J
pF
Notes: 1.Test conditions:I
F
=0.5A,I
R
=1.0A,Irr=0.25A.
2.Measured at 1MHz and applied reverse voltage of 4.0V Volts
150
60
6.0
-65 to +125
1.0
35.0
1.3
5.0
blocking voltage TA=25
I
R
Maximum DC Rreverse Current at rated DC
I
(AV)
I
FSM
Operating and storage temperature range
T
J
T
STG
A
Amp
Amps
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD
Page 1 of 2
CE
BA157 THRU BA159
CHENYI ELECTRONICS
FAST RECOVERY RECTIFIER
Reverse Voltage - 400 to 1000 Volts
Forward Current - 1.0Ampere
RATINGS AND CHARACTERISTIC CURVES BA157 THRU BA159
FIG.1 TYPICAL INSTANTANEOUS FORWARD
FLG.2-TYPICAL FORWARD CURRENT
CHARACTERISTICS
DERATING CURVE
FIG.3-TYPICAL THERMAL IMPEDANCE
FIG.4-TYPICAL JUNCTION CAPACITANCE
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD
Page 2 of 2
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