BY268, BY269
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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
949539
DESIGN SUPPORT TOOLS
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Models
Available
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
• High voltage fast rectification diode
Weight: approx. 369 mg
ORDERING INFORMATION (Example)
DEVICE NAME
ORDERING CODE
TAPED UNITS
BY269
BY269TR
5000 per 10" tape and reel
MINIMUM ORDER QUANTITY
25 000
BY269
BY269TAP
5000 per ammopack
25 000
TYPE DIFFERENTIATION
PACKAGE
BY268
VR = 1400 V; IF(AV) = 0.8 A
SOD-57
BY269
VR = 1600 V; IF(AV) = 0.8 A
SOD-57
PARTS TABLE
PART
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
Reverse voltage
TEST CONDITION
See electrical characteristics
Peak reverse voltage, non repetitive
Peak forward surge current
PART
SYMBOL
VALUE
UNIT
BY268
VR
1400
V
BY269
VR
1600
V
BY268
VRSM
1600
V
BY269
VRSM
1800
V
IFSM
20
A
IF(AV)
0.8
A
ER
10
mJ
Tj = Tstg
-55 to +175
°C
tp = 10 ms, half sine wave
Average forward current
Non repetitive reverse avalanche energy
I(BR)R = 0.4 A
Junction and storage temperature range
MAXIMUM THERMAL RESISTANCE (Tamb = 25 °C, unless otherwise specified)
PARAMETER
Junction ambient
TEST CONDITION
SYMBOL
VALUE
Lead length l = 10 mm, TL = constant
RthJA
45
UNIT
K/W
On PC board with spacing 25 mm
RthJA
100
K/W
Rev. 1.8, 20-Feb-18
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 (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
PART
SYMBOL
MIN.
TYP.
MAX.
VF
-
-
1.25
V
BY268
IR
-
1
2
μA
IF = 0.4 A
Forward voltage
VR = 1400 V
Reverse current
VR = 1600 V
BY269
IR
-
1
2
μA
VR= 1400 V, Tj = 100 °C
BY268
IR
-
-
15
μA
VR= 1600 V, Tj = 100 °C
BY269
IR
-
-
15
μA
trr
-
-
400
ns
IF = 0.5 A, IR = 1 A, iR = 0.25 A
Reverse recovery time
UNIT
RthJA - Thermal Resist. Junction/Ambeint (K/W)
TYPICAL CHARACTERISTICS (Tamb = 25 C, unless otherwise specified)
0.9
IFAV - Average Forward Current (A)
120
100
80
60
l
l
40
20
0.7
0.6
0.5
0
5
10
15
20
25
0.3
0.2
VR = VRRM
half sinewave
0.1
0
0
30
Fig. 1 - Max. Thermal Resistance vs. Lead Length
20
40
60
80 100 120 140 160 180
Tamb - Ambient Temperature (°C)
16413
I - Lead Length (mm)
949090
RthJA = 100 K/W
PCB: d = 25 mm
0.4
T L = constant
0
RthJA = 45 K/W
I = 10 mm
0.8
Fig. 3 - Max. Average Forward Current vs. Ambient Temperature
1000
10
IR - Reverse Current (μA)
IF - Forward Current (A)
VR = VRRM
1
Tj = 175 °C
Tj = 25 °C
0.1
0.01
100
10
1
25
0.001
0
16412
0.5
1.0
1.5
2.0
2.5
VF - Forward Voltage (V)
Fig. 2 - Max. Forward Current vs. Forward Voltage
16414
50
75
100
125
150
175
Tj - Junction Temperature (°C)
Fig. 4 - Max. Reverse Current vs. Junction Temperature
Rev. 1.8, 20-Feb-18
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
Vishay Semiconductors
35
900
f = 1 MHz
VR = VRRM
800
CD - Diode Capacitance (pF)
PR - Reverse Power Dissipation (mW)
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700
600
500
PR-Limit
at 100 % VR
400
300
PR-Limit
at 80 % VR
200
100
30
25
20
15
10
5
0
0.1
0
25
50
75
100
125
150
175
Tj - Junction Temperature (°C)
16415
16416
Fig. 5 - Max. Reverse Power Dissipation vs. Junction Temperature
1
10
100
VR - Reverse Voltage (V)
Fig. 6 - Diode Capacitance vs. Reverse Voltage
3.6 (0.142) max.
0.82 (0.032) max.
PACKAGE DIMENSIONS in millimeters (inches): SOD-57
26 (1.024) min.
4 (0.157) max.
26 (1.024) min.
20543
Rev. 1.8, 20-Feb-18
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
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Revision: 01-Jan-2023
1
Document Number: 91000