BA157.pdf

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154426482 UNPDF
BA157 thru BA159
Vishay Semiconductors
formerly General Semiconductor
Fast Switching Plastic Rectifier
Reverse Voltage 400 to 1000V
Forward Current 1.0A
DO-204AL (DO-41)
1.0 (25.4)
MIN.
Features
• 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
0.107 (2.7 )
0.080 (2.0)
DIA.
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
Symbol
BA157
BA158
BA159D
BA159
Unit
Maximum repetitive peak reverse voltage
V RRM
400
600
800
1000
V
Maximum RMS voltage
V RMS
280
420
560
700
V
Maximum DC blocking voltage
V DC
400
600
800
1000
V
Maximum average forward rectified current
0.375" (9.5mm) lead length at T A =55°C
I F(AV)
1.0
A
Peak forward surge current
10ms single half sine-wave superimposed
I FSM
20
A
on rated load at T A =25°C
Maximum operation junction temperature
T J
–65 to +125
°C
Maximum storage temperature
T STG
–65 to +150
°C
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Symbol
BA157
BA158
BA159D
BA159
Unit
Maximum instantaneous forward voltage at 1.0A
V F
1.3
V
Maximum DC reverse current
at rated DC blocking voltage T A =25°C
I R
5.0
A
Maximum reverse recovery time
at I F =0.5A, I R =1.0A, I rr =0.25A
t rr
150
250
500
ns
Typical junction capacitance at 4.0V, 1MHz
C J
12
pF
Document Number 88536
www.vishay.com
03-Jul-02
1
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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
Fig. 2 – Maximum Non-Repetitive Peak
Forward Surge Current
1.0
20
Resistive or
Inductive Load
T J = 55 ° C
8.3ms Single Half Sine-Wave
(JEDEC Method)
0.8
15
0.6
10
0.4
5
0.2
0.375" (9.5mm) Lead Length
0
0
0
25
50
75
100
125
150
175
1
10
100
Ambient Temperature (
C)
Number of Cycles at 60 H Z
Fig. 3 – Typical Instantaneous
Forward Characteristics
Fig. 4 – Typical Reverse
Characteristics
20
100
10
10
T J = 100 °
C
1
T J = 25
C
Pulse Width = 300 µ
s
1
1% Duty Cycle
0.1
0.1
T J = 25
C
0.01
0.01
0.4
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
Fig. 6 – Typical Transient
Thermal Impedance
100
T J = 25 ° C
f = 1.0MH Z
Vsig = 50mVp-p
100
10
10
1
1
0.1
0.1
1
10
100
0.01
0.1
1
10
100
Reverse Voltage (V)
t, Pulse Duration (sec.)
www.vishay.com
Document Number 88536
2
03-Jul-02
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