BA157 - BA159
1.0AMP Fast Recovery Rectifiers
DO-41
Features
High efficiency, Low VF
High current capability
High reliability
High surge current capability
Low power loss
Green compound with suffix "G" on packing
code & prefix "G" on datecode
Mechanical Data
Cases: DO-41 Molded plastic
Epoxy: UL 94V-0 rate flame retardant
Lead: Pure tin plated, lead free, solderable per
MIL-STD-202, Method 208 guaranteed
Polarity: Color band denotes cathode end
High temperature soldering guaranteed: 260℃/10s
Weight: 0.34 grams
Ordering Information (example)
Part No.
BA157
Package
DO-41
Packing
3K / AMMO box
INNER
TAPE
52mm
Packing code
A0
Packing code
(Green)
A0G
Maximum Ratings and Electrical Characteristics
Rating at 25
℃
ambient temperature unless otherwise specified.
Parameter
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
Peak Forward Surge Current, 8.3 ms Single Half Sine-wave
Superimposed on Rated Load (JEDEC method)
Maximum Instantaneous Forward Voltage (Note 1)
@1A
Maximum DC Reverse Current at
Rated DC Blocking Voltage
@ T
A
=25
℃
@ T
A
=125
℃
Symbol
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
V
F
I
R
Trr
Cj
R
θjA
T
J
T
STG
BA157
400
280
400
BA158
600
420
600
1
30
1.2
5
150
150
10
65
- 55 to + 150
- 55 to + 150
BA159
1000
700
1000
Units
V
V
V
A
A
V
uA
uA
Maximum Reverse Recovery Time (Note 2)
Typical Junction Capacitance (Note 3)
Typical Thermal Resistance
Operating Temperature Range
Storage Temperature Range
Note 1: Pulse Test with PW=300 usec, 1% Duty Cycle
250
O
nS
pF
C/W
O
O
C
C
Note 2: Reverse Recovery Test Conditions: I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A
Note 3: Measured at 1 MHz and Applied Reverse Voltage of 4.0V D.C.
Version:E13
RATINGS AND CHARACTERISTIC CURVES (BA157 THRU BA159)
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
FIG. 2- TYPICAL REVERSE CHARACTERISTICS
1000
AVERAGE FORWARD CURRENT (A)
1.25
1
INSTANTANEOUS REVERSE CURRENT (uA)
TA=125℃
100
0.75
0.5
0.25
0
0
25
50
75
100
LEAD TEMPERATURE (
o
C)
125
150
RESISTIVE OR
INDUCTIVE LOAD
10
TA=75℃
1
TA=25℃
70
PEAK FORWARD SURGE
CURRENT (A)
60
50
40
30
20
10
0
1
FIG. 3- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
TA=25℃
8.3mS Single Half Sine Wave
JEDEC Method
0.1
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE
(%)
FIG. 5- TYPICAL FORWARD CHARACTERISTICS
100
TA=25℃
Pulse Width=300us
1% Duty Cycle
INSTANTANEOUS FORWARD CURRENT (A)
10
NUMBER OF CYCLES AT 60 Hz
100
FIG. 4- TYPICAL JUNCTION CAPACITANCE
100
10
JUNCTION CAPACITANCE (pF)
10
TA=25℃
1
0.1
1
1
10
REVERSE VOLTAGE (V)
100
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
FORWARD VOLTAGE (V)
Version:E13
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