BYG21K, BYG21M
www.vishay.com
Vishay General Semiconductor
Fast Avalanche SMD Rectifier
FEATURES
• Low profile package
• 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)
• AEC-Q101 qualified
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
PRIMARY CHARACTERISTICS
TYPICAL APPLICATIONS
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)
Diode variation
Single
For use in fast switching rectification of power supply,
inverters, converters, and freewheeling diodes for
consumer, automotive, and telecommunication.
MECHANICAL DATA
Case: SMA (DO-214AC)
Molding compound meets UL 94 V-0 flammability rating
Base P/N-M3 - halogen-free, RoHS-compliant, and
commercial grade
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
M3 and HM3 suffix meets 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
800
1000
UNIT
V
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
Revision: 27-Apr-17
Document Number: 89476
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
RθJA (1)
RθJA (2)
RθJA (3)
Typical thermal resistance, junction to ambient
UNIT
25
150
125
100
°C/W
°C/W
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 (Al O ), 50 mm2 35 μm Cu
2 3
ORDERING INFORMATION (Example)
PREFERRED P/N
UNIT WEIGHT (g)
PREFERRED PACKAGE CODE
BASE QUANTITY
DELIVERY MODE
0.064
0.064
0.064
0.064
TR
TR3
H
I
1800
7500
1800
7500
7" diameter plastic tape and reel
13" diameter plastic tape and reel
7" diameter plastic tape and reel
13" diameter plastic tape and reel
BYG21K-M3/TR
BYG21K-M3/TR3
BYG21KHM3_A/H (1)
BYG21KHM3_A/I (1)
Note
(1) AEC-Q101 qualified
RATINGS AND CHARACTERISTICS CURVES (TA = 25 °C unless otherwise noted)
1.6
10
Average Forward Current (A)
Forward Current (A)
TJ = 150 °C
1
TJ = 25 °C
0.1
0.01
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
0.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
25
50
75
100
125
150
Forward Voltage (V)
Ambient Temperature (°C)
Fig. 1 - Forward Current vs. Forward Voltage
Fig. 2 - Max. Average Forward Current vs. Ambient Temperature
Revision: 27-Apr-17
Document Number: 89476
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: 27-Apr-17
Document Number: 89476
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: 27-Apr-17
Document Number: 89476
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
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Vishay
Disclaimer
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
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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
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© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
Mouser Electronics
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