BYG21K, BYG21M
www.vishay.com
Vishay General Semiconductor
Fast Avalanche SMD Rectifier
FEATURES
• Low profile package
Available
• Ideal for automated placement
• Glass passivated pellet chip junction
• Low reverse current
• Soft recovery characteristic
• Fast reverse recovery time
• Meets MSL level 1, per J-STD-020, LF maximum peak
of 260 °C
SMA (DO-214AC)
Cathode
• AEC-Q101 qualified available
- Automotive ordering code P/NHE3 or P/NHM3
Anode
ADDITIONAL RESOURCES
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
3D 3D
TYPICAL APPLICATIONS
3D Models
For use in fast switching rectification of power supply,
inverters, converters, and freewheeling diodes for
consumer, automotive, and telecommunication.
PRIMARY CHARACTERISTICS
IF(AV)
1.5 A
VRRM
800 V, 1000 V
IFSM
30 A
IR
1.0 μA
VF
1.6 V
trr
120 ns
ER
20 mJ
TJ max.
150 °C
Package
SMA (DO-214AC)
Circuit configuration
Single
MECHANICAL DATA
Case: SMA (DO-214AC)
Molding compound meets UL 94 V-0 flammability rating
Base P/N-E3 - RoHS-compliant, commercial grade
Base P/N-M3 - halogen-free, RoHS-compliant, and
commercial grade
Base P/NHE3_X - RoHS-compliant, and AEC-Q101
qualified
Base P/NHM3_X - halogen-free, RoHS-compliant and
AEC-Q101 qualified
(“_X” denotes revision code e.g. A, B,...)
Terminals: matte tin plated leads, solderable per
J-STD-002 and JESD 22-B102
E3, M3, HE3, and HM3 suffix meet JESD 201 class 2
whisker test
Polarity: color band denotes the cathode end
MAXIMUM RATINGS (TA = 25 °C unless otherwise noted)
PARAMETER
SYMBOL
Device marking code
BYG21K
BYG21M
BYG21K
BYG21M
UNIT
Maximum repetitive peak reverse voltage
VRRM
Average forward current
IF(AV)
1.5
A
Peak forward surge current 10 ms single half sine-wave
superimposed on rated load
IFSM
30
A
ER
20
mJ
TJ, TSTG
-55 to +150
°C
Pulse energy in avalanche mode, non repetitive
(inductive load switch off) I(BR)R = 1 A, TJ = 25 °C
Operating junction and storage temperature range
800
1000
V
Revision: 21-Feb-2020
Document Number: 88961
1
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
BYG21K, BYG21M
www.vishay.com
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER
TEST CONDITIONS
Maximum instantaneous
forward voltage
IF = 1 A
Maximum reverse current
VR = VRRM
Maximum reverse recovery
time
IF = 0.5 A, IR = 1.0 A,
Irr = 0.25 A
SYMBOL
BYG21M
TJ = 25 °C
V
1.6
1
IR
TJ = 100 °C
UNIT
1.5
VF (1)
TJ = 25 °C
IF = 1.5 A
BYG21K
μA
10
120
trr
ns
Note
(1) Pulse test: 300 μs pulse width, 1 % duty cycle
THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER
SYMBOL
Typical thermal resistance, junction to lead, TL = const.
BYG21K
BYG21M
RθJL
(1)
150
RθJA (2)
125
RθJA (3)
100
RθJA
Typical thermal resistance, junction to ambient
UNIT
25
°C/W
°C/W
Notes
Mounted on epoxy-glass hard tissue
(2) Mounted on epoxy-glass hard tissue, 50 mm2 35 μm Cu
(3) Mounted on Al-oxide-ceramic (Al O ), 50 mm2 35 μm Cu
2 3
(1)
ORDERING INFORMATION (Example)
PREFERRED P/N
UNIT WEIGHT (g)
PREFERRED PACKAGE CODE
BASE QUANTITY
DELIVERY MODE
0.064
TR
1800
7" diameter plastic tape and reel
BYG21K-E3/TR3
0.064
TR3
7500
13" diameter plastic tape and reel
BYG21KHE3_A/H (1)
0.064
H
1800
7" diameter plastic tape and reel
BYG21KHE3_A/I (1)
0.064
I
7500
13" diameter plastic tape and reel
BYG21K-M3/TR
0.064
TR
1800
7" diameter plastic tape and reel
BYG21K-M3/TR3
0.064
TR3
7500
13" diameter plastic tape and reel
BYG21KHM3_A/H (1)
0.064
H
1800
7" diameter plastic tape and reel
BYG21KHM3_A/I (1)
0.064
I
7500
13" diameter plastic tape and reel
BYG21K-E3/TR
Note
(1) AEC-Q101 qualified
RATINGS AND CHARACTERISTICS CURVES (TA = 25 °C unless otherwise noted)
Axis Title
1
1000
TJ = 25 °C
0.1
100
TJ = -40 °C
0.01
Average Forward Current (A)
TJ = 150 °C
1st line
2nd line
2nd line
Instantaneous Forward Current (A)
1.6
10000
10
RθJA = 25 K/W
1.4
VR = VRRM
Half Sine-Wave
1.2
1.0
RθJA = 125 K/W
0.8
0.6
RθJA = 150 K/W
0.4
0.2
0.001
10
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Instantaneous Forward Voltage (V)
Fig. 1 - Forward Current vs. Forward Voltage
0.0
0
25
50
75
100
125
150
Ambient Temperature (°C)
Fig. 2 - Max. Average Forward Current vs. Ambient Temperature
Revision: 21-Feb-2020
Document Number: 88961
2
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
BYG21K, BYG21M
www.vishay.com
Vishay General Semiconductor
200
100
Reverse Recovery Charge (nC)
Reverse Current (µA)
VR = VRRM
10
TA = 125 °C
150
TA = 100 °C
TA = 75 °C
100
TA = 50 °C
TA = 25 °C
50
IR = 0.5 A, iR = 0.125 A
1
0
25
50
75
100
125
150
0.2
0.4
0.6
0.8
1.0
Fig. 3 - Reverse Current vs. Junction Temperature
Fig. 6 - Max. Reverse Recovery Charge vs. Forward Current
Thermal Resistance for Pulse Cond. (K/W)
Forward Current (A)
120
Reverse Power Dissipation (mW)
0
Junction Temperature (°C)
VR = VRRM
100
PR - Limit
at 100 % VR
80
60
PR - Limit
at 80 % VR
40
20
0
25
50
75
100
125
150
1000
125 K/W DC
100
tp/T = 0.5
tp/T = 0.2
tp/T = 0.1
10
tp/T = 0.05
tp/T = 0.02
Single Pulse
tp/T = 0.01
1
10-5
10-4
10-3
10-2
10-1
100
Junction Temperature (°C)
Pulse Length (s)
Fig. 4 - Max. Reverse Power Dissipation vs. Junction Temperature
Fig. 7 - Thermal Response
101
102
25
Diode Capacitance (pF)
f = 1 MHz
20
15
10
5
0
0.1
1
10
100
Reverse Voltage (V)
Fig. 5 - Diode Capacitance vs. Reverse Voltage
Revision: 21-Feb-2020
Document Number: 88961
3
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
BYG21K, BYG21M
www.vishay.com
Vishay General Semiconductor
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
SMA (DO-214AC)
Cathode Band
Mounting Pad Layout
0.110 (2.79)
0.100 (2.54)
0.065 (1.65)
0.049 (1.25)
0.177 (4.50)
0.157 (3.99)
0.012 (0.305)
0.006 (0.152)
0.060 (1.52)
MIN.
0.208 (5.28)
REF.
0.090 (2.29)
0.078 (1.98)
0.060 (1.52)
0.030 (0.76)
0.074 (1.88)
MAX.
0.066 (1.68)
MIN.
0.008 (0.203)
0 (0)
0.208 (5.28)
0.194 (4.93)
Revision: 21-Feb-2020
Document Number: 88961
4
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
Legal Disclaimer Notice
www.vishay.com
Vishay
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.
Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and
for informational purposes only. Inclusion of these hyperlinks does not constitute an endorsement or an approval by Vishay of
any of the products, services or opinions of the corporation, organization or individual associated with the third-party website.
Vishay disclaims any and all liability and bears no responsibility for the accuracy, legality or content of the third-party website
or for that of subsequent links.
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. 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.
© 2022 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 01-Jan-2022
1
Document Number: 91000