Document Number: 88536 For technical questions within your region, please contact one of the following: www.vishay.com
Revision: 26-Oct-09 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 1
Fast Switching Plastic Rectifier
BA157 thru BA159
Vishay General Semiconductor
FEATURES
Fast switching for high efficiency
Low forward voltage drop
Low leakage current
High forward surge capability
Solder dip 275 °C max. 10 s, per JESD 22-B106
Compliant to RoHS directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
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 AEC-Q101 qualified.
MECHANICAL DATA
Case: DO-204AL, molded epoxy body
Molding compound meets UL 94 V-0 flammability rating
Base P/N-E3 - RoHS compliant, commercial grade
Terminals: Matte tin plated leads, solderable per
J-STD-002 and JESD 22-B102
E3 suffix meets JESD 201 class 1A whisker test
Polarity: Color band denotes cathode end
PRIMARY CHARACTERISTICS
IF(AV) 1.0 A
VRRM 400 V to 1000 V
IFSM 20 A
trr 150 ns, 250 ns, 500 ns
IR5.0 μA
VF1.3 V
TJ max. 125 °C
DO-204AL (DO-41)
MAXIMUM RATINGS (TA = 25 °C unless otherwise noted)
PARAMETER SYMBOL BA157 BA158 BA159D BA159 UNIT
Maximum repetitive peak reverse voltage VRRM 400 600 800 1000 V
Maximum RMS voltage VRMS 280 420 560 700 V
Maximum DC blocking voltage VDC 400 600 800 1000 V
Maximum average forward rectified current
0.375" (9.5 mm) lead length at TA = 55 °C IF(AV) 1.0 A
Peak forward surge current 10 ms single half
sine-wave superimposed on rated load IFSM 20 A
Maximum operation junction temperature TJ- 65 to + 125 °C
Maximum storage temperature TSTG - 65 to + 150 °C
www.vishay.com For technical questions within your region, please contact one of the following: Document Number: 88536
2DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com Revision: 26-Oct-09
BA157 thru BA159
Vishay General Semiconductor
RATINGS AND CHARACTERISTICS CURVES
(TA = 25 °C unless otherwise noted)
Fig. 1 - Forward Current Derating Curve
Fig. 2 - Maximum Non-repetitive Peak Forward Surge Current
Fig. 3 - Typical Instantaneous Forward Characteristics
Fig. 4 - Typical Reverse Characteristics
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER TEST CONDITIONS SYMBOL BA157 BA158 BA159D BA159 UNIT
Maximum instantaneous
forward voltage 1.0 A VF1.3 V
Maximum DC reverse current
at rated DC blocking voltage TA = 25 °C IR5.0 μA
Maximum reverse recovery time IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A trr 150 250 500 ns
Typical junction capacitance 4.0 V, 1 MHz CJ12 pF
ORDERING INFORMATION (Example)
PREFERRED P/N UNIT WEIGHT (g) PREFERRED PACKAGE CODE BASE QUANTITY DELIVERY MODE
BA158-E3/54 0.33 54 5500 13" diameter paper tape and reel
BA158-E3/73 0.33 73 3000 Ammo pack packaging
Ambient Temperature (°C)
Average Forward Current (A)
025 50 75 100 125 150 175
0
0.2
0.4
0.6
0.8
1.0
0.375" (9.5 mm) Lead Length
60 Hz
Resistive or Inductive Load
Peak Forward Surge Current (A)
110 100
0
5
10
15
20
Number of Cycles at 60 Hz
T
J
= 55 °C
8.3 ms Single Half Sine-Wave
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
0.4 0.6 1.0 1.2 1.4 1.6 2.0
0.01
0.1
1
10
100
0.8 1.8
T
J
= 25 °C
Pulse Width = 300 μs
1 % Duty Cycle
Percent of Rated Peak Reverse Voltage (%)
20 60 80 100
0.01
1
10
100
0.1
40
0
Instantaneous Reverse Current (μA)
TJ = 25 °C
TJ = 100 °C
Document Number: 88536 For technical questions within your region, please contact one of the following: www.vishay.com
Revision: 26-Oct-09 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 3
BA157 thru BA159
Vishay General Semiconductor
Fig. 5 - Typical Junction Capacitance Fig. 6 - Typical Transient Thermal Impedance
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
Reverse Voltage (V)
Junction Capacitance (pF)
0.1 110 100
1
10
100
TJ = 25 °C
f = 1.0 MHz
Vsig = 50 mVp-p
0.01 0.1 110 100
0.1
1
10
100
t - Pulse Duration (s)
Transient Thermal Impedance (°C/W)
DO-204AL (DO-41)
0.107 (2.7)
0.080 (2.0)
DIA.
0.034 (0.86)
0.028 (0.71)
DIA.
1.0 (25.4)
MIN.
1.0 (25.4)
MIN.
0.205 (5.2)
0.160 (4.1)
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 12-Mar-12 1Document Number: 91000
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.