BA157 thru BA159
Vishay Semiconductors
formerly General Semiconductor
Fast Switching Plastic Rectifier
DO-204AL (DO-41)
Reverse Voltage
400 to 1000V
Forward Current
1.0A
Features
1.0 (25.4)
MIN.
0.107 (2.7)
0.080 (2.0)
DIA.
• Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
• High surge current capability
• Void-free plastic package
• Fast switching for high efficiency
• High temperature soldering guaranteed: 350°C/10 seconds,
0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension
0.205 (5.2)
0.160 (4.1)
Mechanical Data
Case:
JEDEC DO-204AL, 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 oz., 0.3 g
Packaging codes/options:
1/5K per bulk box
23/3K per Ammo mag. (52mm tape),
4/5.5K per 13" reel (52mm tape),
1.0 (25.4)
MIN.
0.034 (0.86)
0.028 (0.71)
DIA.
Dimensions in inches and (millimeters)
Maximum Ratings & Thermal Characteristics
Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
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
=55°C
Peak forward surge current
10ms single half sine-wave superimposed
on rated load at T
A
=25°C
Maximum operation junction temperature
Maximum storage temperature
Symbol
V
RRM
V
RMS
V
DC
I
F(AV)
BA157
400
280
400
BA158
600
420
600
1.0
BA159D
800
560
800
BA159
1000
700
1000
Unit
V
V
V
A
I
FSM
T
J
T
STG
20
–65 to +125
–65 to +150
A
°C
°C
Electrical Characteristics
Parameter
Ratings at 25°C ambient temperature unless otherwise specified.
Symbol
V
F
I
R
t
rr
C
J
BA157
BA158
1.3
5.0
BA159D
BA159
Unit
V
µA
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current
at rated DC blocking voltage T
A
=25°C
Maximum reverse recovery time
at I
F
=0.5A, I
R
=1.0A, I
rr
=0.25A
Typical junction capacitance at 4.0V, 1MHz
150
250
12
500
ns
pF
Document Number 88536
03-Jul-02
www.vishay.com
1
BA157 thru BA159
Vishay Semiconductors
formerly General Semiconductor
Ratings and
Characteristic Curves
(T
A
= 25°C unless otherwise noted)
Fig. 1 – Forward Current
Derating Curve
1.0
20
Fig. 2 – Maximum Non-Repetitive Peak
Forward Surge Current
T
J
= 55°C
8.3ms Single Half Sine-Wave
(JEDEC Method)
0.8
Peak Forward Surge Current (A)
Average Forward Current (A)
Resistive or
Inductive Load
15
0.6
10
0.4
5
0.2
0.375" (9.5mm) Lead Length
0
0
25
50
75
100
125
150
175
0
1
10
100
Ambient Temperature (°C)
Number of Cycles at 60 H
Z
Fig. 3 – Typical Instantaneous
Forward Characteristics
20
100
Fig. 4 – Typical Reverse
Characteristics
Instantaneous Reverse Current (µA)
Instantaneous Forward Current (A)
10
10
T
J
= 100°C
1
T
J
= 25°C
Pulse Width = 300µs
1% Duty Cycle
1
0.1
0.1
T
J
= 25°C
0.01
0.4
0.01
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
20
40
60
80
100
Instantaneous Forward Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig. 5 – Typical Junction Capacitance
100
Fig. 6 – Typical Transient
Thermal Impedance
100
Transient Thermal Impedance (°CW)
Junction Capacitance (pF)
T
J
= 25°C
f = 1.0MH
Z
Vsig = 50mVp-p
10
10
1
1
0.1
1
10
100
0.1
0.01
0.1
1
10
100
Reverse Voltage (V)
www.vishay.com
2
t, Pulse Duration (sec.)
Document Number 88536
03-Jul-02
51mcu
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