BYG21K, BYG21M
www.vishay.com
Vishay General Semiconductor
Fast Avalanche SMD Rectifier
FEATURES
• Low profile package
• Ideal for automated placement
• Glass passivated 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
• AEC-Q101 qualified
• Material categorization: For definitions of compliance
please see
www.vishay.com/doc?99912
DO-214AC (SMA)
TYPICAL APPLICATIONS
PRIMARY CHARACTERISTICS
I
F(AV)
V
RRM
I
FSM
I
R
V
F
t
rr
E
R
T
J
max.
1.5 A
800 V, 1000 V
30 A
1.0 μA
1.6 V
120 ns
20 mJ
150 °C
For use in fast switching rectification of power supply,
inverters, converters, and freewheeling diodes for
consumer, automotive, and telecommunication.
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
MAXIMUM RATINGS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Device marking code
Maximum repetitive peak reverse voltage
Average forward current
Peak forward surge current 10 ms single half sine-wave
superimposed on rated load
Pulse energy in avalanche mode, non repetitive
(inductive load switch off) I
(BR)R
= 1 A, T
J
= 25 °C
Operating junction and storage temperature range
V
RRM
I
F(AV)
I
FSM
E
R
T
J
, T
STG
SYMBOL
BYG21K
BYG21K
800
1.5
30
20
- 55 to + 150
BYG21M
BYG21M
1000
V
A
A
mJ
°C
UNIT
Revision: 24-Aug-12
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
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Maximum instantaneous
forward voltage
Maximum reverse current
Maximum reverse
recovery time
TEST CONDITIONS
I
F
= 1 A
I
F
= 1.5 A
V
R
= V
RRM
T
J
= 25 °C
T
J
= 25 °C
T
J
= 100 °C
SYMBOL
V
F (1)
I
R
t
rr
BYG21K
1.5
1.6
1
10
120
BYG21M
UNIT
V
µA
ns
I
F
= 0.5 A, I
R
= 1.0 A,
I
rr
= 0.25 A
Note
(1)
Pulse test: 300 μs pulse width, 1 % duty cycle
THERMAL CHARACTERISTICS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Typical thermal resistance, junction to lead, T
L
= const.
Typical thermal resistance, junction to ambient
SYMBOL
R
θJL
R
θJA
(1)
R
θJA
(2)
R
θJA
(3)
Notes
Mounted on epoxy-glass hard tissue
(2)
Mounted on epoxy-glass hard tissue, 50 mm
2
35 μm Cu
(3)
Mounted on Al-oxide-ceramic (Al O ), 50 mm
2
35 μm Cu
2 3
(1)
BYG21K
25
150
125
100
BYG21M
UNIT
°C/W
°C/W
ORDERING INFORMATION
(Example)
PREFERRED P/N
BYG21K-E3/TR
BYG21K-E3/TR3
BYG21KHE3/TR
(1)
BYG21KHE3/TR3
(1)
Note
(1)
AEC-Q101 qualified
UNIT WEIGHT (g)
0.064
0.064
0.064
0.064
PREFERRED PACKAGE CODE
TR
TR3
TR
TR3
BASE QUANTITY
1800
7500
1800
7500
DELIVERY MODE
7" diameter plastic tape and reel
13" diameter plastic tape and reel
7" diameter plastic tape and reel
13" diameter plastic tape and reel
RATINGS AND CHARACTERISTICS CURVES
(T
A
= 25 °C unless otherwise noted)
10
T
J
= 150 °C
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
R
θJA
= 150 K/W
R
θJA
= 125 K/W
R
θJA
= 25 K/W
V
R
=
V
RRM
Half Sine-Wave
Forward Current (A)
1
T
J
= 25 °C
0.1
0.01
0.001
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Average Forward Current (A)
0.0
0
25
50
75
100
125
150
Forward
Voltage
(V)
Ambient Temperature (°C)
Fig. 1 - Forward Current vs. Forward Voltage
Revision: 24-Aug-12
Fig. 2 - Max. Average Forward Current vs. Ambient Temperature
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)
V
R
=
V
RRM
T
A
= 125 °C
150
T
A
= 100 °C
T
A
= 75 °C
100
T
A
= 50 °C
T
A
= 25 °C
50
Reverse Current (µA)
10
I
R
= 0.5 A, i
R
= 0.125 A
1
25
50
75
100
125
150
0
0
0.2
0.4
0.6
0.8
1.0
Junction Temperature (°C)
Forward Current (A)
Fig. 3 - Reverse Current vs. Junction Temperature
Fig. 6 - Max. Reverse Recovery Charge vs. Forward Current
Thermal Resistance for Pulse Cond. (K/W)
120
1000
Reverse Power Dissipation (mW)
V
R
=
V
RRM
100
P
R
- Limit
at 100 %
V
R
125 K/W DC
100
t
p
/T = 0.5
t
p
/T = 0.2
t
p
/T = 0.1
10
t
p
/T = 0.05
t
p
/T = 0.02
Single Pulse
t
p
/T = 0.01
1
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
10
2
80
60
P
R
- Limit
at
80
%
V
R
40
20
0
25
50
75
100
125
150
Junction Temperature (°C)
Pulse Length (s)
Fig. 4 - Max. Reverse Power Dissipation vs. Junction Temperature
Fig. 7 - Thermal Response
25
f = 1 MHz
Diode Capacitance (pF)
20
15
10
5
0
0.1
1
10
100
Reverse
Voltage
(V)
Fig. 5 - Diode Capacitance vs. Reverse Voltage
Revision: 24-Aug-12
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
PACKAGE OUTLINE DIMENSIONS
in inches (millimeters)
DO-214AC (SMA)
Cathode Band
Vishay General Semiconductor
Mounting Pad Layout
0.066 (1.68)
MIN.
0.074 (1.88)
MAX.
0.065 (1.65)
0.049 (1.25)
0.110 (2.79)
0.100 (2.54)
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)
0.008 (0.203)
0 (0)
0.208 (5.28)
0.194 (4.93)
Revision: 24-Aug-12
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.
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.
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.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
1
Document Number: 91000
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