BYS12-90
www.vishay.com Vishay General Semiconductor
Revision: 20-Jul-09 1Document Number: 88950
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Surface Mount Schottky Barrier Rectifier
FEATURES
• Low profile package
• Ideal for automated placement
• Guardring for overvoltage protection
• Low power losses, high efficiency
• Very low switching losses
• High surge capability
• Meets MSL level 1, per J-STD-020, LF maximum peak of
260 °C
• AEC-Q101 qualified
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
TYPICAL APPLICATIONS
For use in high frequency inverters, switching power
supplies, freewheeling diodes, OR-ing diode, DC/DC
converters and reverse battery protection.
MECHANICAL DATA
Case: DO-214AC (SMA)
Molding compound meets UL 94 V-0 flammability rating
Base P/N-E3 - RoHS-compliant, commercial grade
Base P/NHE3 - RoHS-compliant, AEC-Q101 qualified
Terminals: Matte tin plated leads, solderable per
J-STD-002 and JESD 22-B102
E3 suffix meets JESD 201 class 1A whisker test, HE3 suffix
meets JESD 201 class 2 whisker test
Polarity: Color band denotes the cathode end
PRIMARY CHARACTERISTICS
IF(AV) 1.5 A
VRRM 90 V
IFSM 40 A
VF0.75 V
TJ max. 150 °C
DO-214AC (SMA)
MAXIMUM RATINGS (TA = 25 °C unless otherwise noted)
PARAMETER SYMBOL BYS12-90 UNIT
Device marking code BYS
209
Maximum repetitive peak reverse voltage VRRM 90 V
Maximum average forward rectified current IF(AV) 1.5 A
Peak forward surge current single half sine-wave
superimposed on rated load
8.3 ms
IFSM
40
A
10 ms 30
Voltage rate of change (rated VR) dV/dt 10 000 V/μs
Junction and storage temperature range TJ, TSTG - 55 to + 150 °C
BYS12-90
www.vishay.com Vishay General Semiconductor
Revision: 20-Jul-09 2Document Number: 88950
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Note
(1) Pulse test: 300 μs pulse width, 1 % duty cycle
Notes
(1) Mounted on epoxy-glass hard tissue
(2) Mounted on epoxy-glass hard tissue, 50 mm2 35 μm Cu
(3) Mounted on Al-oxide-ceramic (Al2O3), 50 mm2 35 μm Cu
Note
(1) AEC-Q101 qualified
RATINGS AND CHARACTERISTICS CURVES
(TA = 25 °C unless otherwise noted)
Fig. 1 - Forward Current vs. Forward Voltage Fig. 2 - Max. Average Forward Current vs. Ambient Temperature
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER TEST CONDITIONS SYMBOL BYS12-90 UNIT
Maximum instantaneous forward voltage (1) IF = 1.0 A TJ = 25 °C VF
750 mV
IF = 15 mA 360
Maximum DC reverse current (1) VRRM
TJ = 25 °C IR
100 μA
TJ = 100 °C 1 mA
THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER SYMBOL BYS12-90 UNIT
Maximum thermal resistance, junction to lead RJL 25 °C/W
Maximum thermal resistance, junction to ambient
RJA (1) 150
°C/WRJA (2) 125
RJA (3) 100
ORDERING INFORMATION (Example)
PREFERRED P/N UNIT WEIGHT (g) PREFERRED PACKAGE CODE BASE QUANTITY DELIVERY MODE
BYS12-90-E3/TR 0.064 61T 1800 7" diameter plastic tape and reel
BYS12-90-E3/TR3 0.064 5AT 7500 13" diameter plastic tape and reel
BYS12-90HE3/TR (1) 0.064 61T 1800 7" diameter plastic tape and reel
BYS12-90HE3/TR3 (1) 0.064 5AT 7500 13" diameter plastic tape and reel
10
1
0.1
0 0.2 0.4 0.6 0.81.0 1.2
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
T
J
= 150 °C
T
J
= 125 °C
T
J
= 25 °C
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
020406080 100 120 140 160
RthJA ≤ K/W
VR = VRRM
Half Sine-Wave
Ambient Temperature (°C)
Average Forward Current (A)
BYS12-90
www.vishay.com Vishay General Semiconductor
Revision: 20-Jul-09 3Document Number: 88950
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Fig. 3 - Max. Average Forward Current vs. Ambient Temperature
Fig. 4 - Reverse Current vs. Junction Temperature
Fig. 5 - Max. Reverse Power Dissipation vs. Junction Temperature
Fig. 6 - Diode Capacitance vs. Reverse Voltage
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
VR = 0 V, Half Sine-Wave
RthJA = 25 K/W
100 K/W
125 K/W
150 K/W
2.0
1.6
1.2
0.8
0.4
0
04080 120 160 200
Ambient Temperature (°C)
Average Forward Current (A)
2.2
1.8
1.4
1.0
0.6
0.2
100 000
10 000
1000
100
25 50 75 100 125 150
Reverse Current (µA)
Junction Temperature (°C)
VR = VRRM
2500
2000
1500
1000
500
0
25 50 75 100 125 150
V
R
= V
RRM
P
R
- Limit
at 100 % V
R
Reverse Power Dissipation (mW)
Junction Temperature (°C)
180
160
140
120
100
80
60
40
20
0
0.1 1 10 100
f = 1 MHz
Reverse Voltage (V)
Diode Capacitance (pF)
0.008 (0.203)
0.194 (4.93)
0.208 (5.28)
0.157 (3.99)
0.177 (4.50)
0.100 (2.54)
0.110 (2.79)
0.078 (1.98)
0.090 (2.29)
0.006 (0.152)
0.012 (0.305)
0.049 (1.25)
0.065 (1.65)
Cathode Band
0 (0)
DO-214AC (SMA)
Mounting Pad Layout
0.074 (1.88)
MAX.
0.208 (5.28)
REF.
0.066 (1.68)
MIN.
0.060 (1.52)
MIN.
0.030 (0.76)
0.060 (1.52)
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.
