BA157 thru BA159
Vishay General Semiconductor
Fast Switching Plastic Rectifier
Major Ratings and Characteristics
I
F(AV)
V
RRM
I
FSM
t
rr
I
R
V
F
T
j
max.
1.0 A
50 V to 600 V
20 A
150 ns, 250 ns, 500 ns
5.0 µA
1.3 V
125 °C
DO-204AL (DO-41)
Features
•
•
•
•
•
Fast switching for high efficiency
Low forward voltage drop
Low leakage current
High forward surge capability
Solder Dip 260 °C, 40 seconds
Mechanical Data
Case:
DO-204AL, molded epoxy body
Epoxy meets UL-94V-0 Flammability rating
Terminals:
Matte tin plated (E3 Suffix) leads, solder-
able per J-STD-002B and JESD22-B102D
Polarity:
Color band denotes cathode end
Typical Applications
For use in fast switching rectification of power supply,
inverters, converters and freewheeling diodes for
consumer and Telecommunication.
(Note: These devices are not Q101 qualified. There-
fore, the devices specified in this datasheet have not
been designed for use in automotive or Hi-Rel appli-
cations.)
Maximum Ratings
(T
A
= 25 °C unless otherwise noted)
Parameter
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current 0.375" (9.5 mm) lead length
at T
A
= 55 °C
Peak forward surge current 10 ms single half sine-wave superimposed on
rated load
Maximum operation junction temperature
Maximum storage temperature
Symbol
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
T
J
T
STG
BA157
400
280
400
BA158
600
420
600
1.0
20
- 65 to + 125
- 65 to + 150
BA159D
800
560
800
BA159
1000
700
1000
Unit
V
V
V
A
A
°C
°C
Document Number 88536
10-Oct-05
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1
BA157 thru BA159
Vishay General Semiconductor
Electrical Characteristics
(T
A
= 25 °C unless otherwise noted)
Parameter
Maximum instantaneous forward
voltage
Maximum DC reverse current at
rated DC blocking voltage
Maximum reverse recovery time
Typical junction capacitance
at 1.0 A
T
A
= 25 °C
at I
F
= 0.5 A, I
R
= 1.0 A, I
rr
= 0.25 A
at 4.0 V, 1 MHz
Test condition
Symbol
V
F
I
R
t
rr
C
J
150
250
12
BA157
BA158
BA159D
1.3
5.0
500
BA159
Unit
V
µA
ns
pF
Ratings and Characteristics Curves
(T
A
= 25
°C
unless otherwise noted)
1.0
20
Instantaneous Forward Current (A)
Average Forward Current (A)
0.8
60 Hz
Resistive or
Inductive Load
10
0.6
1
T
J
= 25 °C
Pulse Width = 300
µs
1% Duty Cycle
0.1
0.4
0.2
0.375” (9.5 mm) Lead Length
0
0
25
50
75
100
125
150
175
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Ambient Temperature ( °C)
Instantaneous Forward
Voltage
(V)
Figure 1. Forward Current Derating Curve
Figure 3. Typical Instantaneous Forward Characteristics
20
100
Instantaneous Reverse Current (µA)
Peak Forward Surge Current (A)
T
J
= 55 °C
8.3
ms Single Half Sine-Wave
15
10
T
J
= 100 °C
10
1
5
0.1
T
J
= 25 °C
0
0.01
1
10
100
0
20
40
60
80
100
Number
of Cycles at 60 Hz
Percent of Rated Peak Reverse
Voltage
(%)
Figure 2. Maximum Non-repetitive Peak Forward Surge Current
Figure 4. Typical Reverse Characteristics
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Document Number 88536
10-Oct-05
BA157 thru BA159
Vishay General Semiconductor
100
T
J
= 25 °C
f = 1.0 MHz
V
sig
= 50mVp-p
100
Transient Thermal Impedance ( °CW)
100
Junction Capacitance (pF)
10
10
1
1
0.1
1
10
0.1
0.01
0.1
1
10
100
Reverse
Voltage
(V)
t, Pulse Duration (sec.)
Figure 5. Typical Junction Capacitance
Figure 6. Typical Transient Thermal Impedance
Package outline dimensions in inches (millimeters)
DO-204AL (DO-41)
1.0 (25.4)
MIN.
0.107 (2.7)
0.080 (2.0)
DIA.
0.205 (5.2)
0.160 (4.1)
1.0 (25.4)
MIN.
0.034 (0.86)
0.028 (0.71)
DIA.
NOTE:
Lead diameter is
0.026 (0.66)
for suffix “E” part numbers
0.023 (0.58)
Document Number 88536
10-Oct-05
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Legal Disclaimer Notice
Vishay
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
Document Number: 91000
Revision: 08-Apr-05
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