BY268, BY269
www.vishay.com
Vishay Semiconductors
Fast Avalanche Sinterglass Diode
FEATURES
• Glass passivated junction
• Hermetically sealed package
• Material categorization:
For definitions of compliance please see
www.vishay.com/doc?99912
APPLICATIONS
• High voltage fast rectification diode
949539
MECHANICAL DATA
Case:
SOD-57
Terminals:
plated axial leads, solderable per MIL-STD-750,
method 2026
Polarity:
color band denotes cathode end
Mounting position:
any
Weight:
approx. 369 mg
ORDERING INFORMATION
(Example)
DEVICE NAME
BY269
BY269
ORDERING CODE
BY269TR
BY269TAP
TAPED UNITS
5000 per 10" tape and reel
5000 per ammopack
MINIMUM ORDER QUANTITY
25 000
25 000
PARTS TABLE
PART
BY268
BY269
TYPE DIFFERENTIATION
V
R
= 1400 V; I
F(AV)
= 0.8 A
V
R
= 1600 V; I
F(AV)
= 0.8 A
PACKAGE
SOD-57
SOD-57
ABSOLUTE MAXIMUM RATINGS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Peak reverse voltage, non repetitive
Reverse voltage
Peak forward surge current
Average forward current
Non repetitive reverse avalanche energy
Junction and storage temperature range
I
(BR)R
= 0.4 A
See electrical characteristics
t
p
= 10 ms, half sine wave
TEST CONDITION
PART
BY268
BY269
BY268
BY269
SYMBOL
V
RSM
V
RSM
V
R
V
R
I
FSM
I
F(AV)
E
R
T
j
= T
stg
VALUE
1600
1800
1400
1600
20
0.8
10
- 55 to + 175
UNIT
V
V
V
V
A
A
mJ
°C
MAXIMUM THERMAL RESISTANCE
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Junction ambient
TEST CONDITION
Lead length l = 10 mm, T
L
= constant
On PC board with spacing 25 mm
SYMBOL
R
thJA
R
thJA
VALUE
45
100
UNIT
K/W
K/W
Rev. 1.8, 12-Sep-12
Document Number: 86005
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
BY268, BY269
www.vishay.com
Vishay Semiconductors
ELECTRICAL CHARACTERISTICS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Forward voltage
TEST CONDITION
I
F
= 0.4 A
V
R
= 1400 V
Reverse current
V
R
= 1600 V
V
R
= 1400 V, T
j
= 100 °C
V
R
= 1600 V, T
j
= 100 °C
Reverse recovery time
I
F
= 0.5 A, I
R
= 1 A, i
R
= 0.25 A
BY268
BY269
BY268
BY269
PART
SYMBOL
V
F
I
R
I
R
I
R
I
R
t
rr
MIN.
-
-
-
-
-
-
TYP.
-
1
1
-
-
-
MAX.
1.25
2
2
15
15
400
UNIT
V
μA
μA
μA
μA
ns
TYPICAL CHARACTERISTICS
(T
amb
= 25
C,
unless otherwise specified)
R
thJA
- Thermal Resist. Junction/Ambeint (K/W)
120
0.9
I
FAV
- Average Forward Current (A)
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
V
R
= V
RRM
half
sinewave
20
40
60
R
thJA
= 100 K/W
PCB: d = 25 mm
100
80
60
l
40
20
0
0
5
10
15
T
L
= constant
20
25
30
l
R
thJA
= 45 K/W
I = 10 mm
80 100 120 140 160 180
949090
I - Lead Length (mm)
16413
T
amb
- Ambient Temperature (°C)
Fig. 1 - Max. Thermal Resistance vs. Lead Length
Fig. 3 - Max. Average Forward Current vs. Ambient Temperature
10
1000
V
R
= V
RRM
1
T
j
= 175 °C
T
j
= 25 °C
0.1
I
R
- Reverse Current (μA)
2.0
2.5
I
F
- Forward Current (A)
100
10
0.01
0.001
0
16412
0.5
1.0
1.5
1
25
16414
50
75
100
125
150
175
V
F
- Forward Voltage (V)
T
j
- Junction Temperature (°C)
Fig. 2 - Max. Forward Current vs. Forward Voltage
Fig. 4 - Max. Reverse Current vs. Junction Temperature
Rev. 1.8, 12-Sep-12
Document Number: 86005
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
BY268, BY269
www.vishay.com
Vishay Semiconductors
P
R
- Reverse Power Dissipation (mW)
900
35
V
R
= V
RRM
f = 1 MHz
700
600
500
400
300
200
100
0
25
50
75
100
125
150
175
P
R
-Limit
at 80 % V
R
P
R
-Limit
at 100 % V
R
C
D
- Diode Capacitance (pF)
800
30
25
20
15
10
5
0
0.1
1
10
100
16415
T
j
- Junction Temperature (°C)
16416
V
R
- Reverse Voltage (V)
Fig. 5 - Max. Reverse Power Dissipation vs. Junction Temperature
Fig. 6 - Diode Capacitance vs. Reverse Voltage
PACKAGE DIMENSIONS
in millimeters (inches):
SOD-57
0.82 (0.032) max.
26 (1.024) min.
4 (0.157) max.
26 (1.024) min.
Rev. 1.8, 12-Sep-12
Document Number: 86005
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
3.6 (0.142) max.
20543
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
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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
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damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
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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.
Revision: 12-Mar-12
1
Document Number: 91000
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