BY228
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Vishay Semiconductors
Standard Avalanche Sinterglass Diode
FEATURES
• Glass passivated junction
• Hermetically sealed package
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
APPLICATIONS
949588
• High voltage rectification
DESIGN SUPPORT TOOLS
• Efficiency diode in horizontal deflection circuit
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Models
Available
MECHANICAL DATA
Case: SOD-64
Terminals: plated axial leads, solderable per MIL-STD-750,
method 2026
Polarity: color band denotes cathode end
Mounting position: any
Weight: approx. 858 mg
ORDERING INFORMATION (Example)
DEVICE NAME
ORDERING CODE
TAPED UNITS
MINIMUM ORDER QUANTITY
BY228
BY228TR
2500 per 10" tape and reel
12 500
BY228
BY228TAP
2500 per ammopack
12 500
PART
TYPE DIFFERENTIATION
PACKAGE
BY228
VR = 1500 V; IF(AV) = 3 A
SOD-64
PARTS TABLE
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
Reverse voltage
Repetitive peak reverse voltage
Peak forward surge current
TEST CONDITION
PART
SYMBOL
VALUE
UNIT
See electrical characteristics
BY228
VR
1500
V
lR = 100 μA
VRRM
1650
V
tp = 10 ms, half sine wave
IFSM
50
A
Average forward current
IF(AV)
3
A
Tj
140
°C
Tstg
-55 to +175
°C
ER
10
mJ
Junction temperature
Storage temperature range
Non repetitive reverse avalanche energy
l(BR)R = 0.4 A
MAXIMUM THERMAL RESISTANCE (Tamb = 25 °C, unless otherwise specified)
PARAMETER
Junction ambient
TEST CONDITION
SYMBOL
VALUE
UNIT
On PC board with spacing 25 mm
RthJA
70
K/W
Rev. 1.8, 21-Feb-18
Document Number: 86003
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
BY228
www.vishay.com
Vishay Semiconductors
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL
MIN.
TYP.
MAX.
IF = 5 A
VF
-
-
1.5
V
VR = 1500 V
IR
-
2
5
μA
μA
Forward voltage
Reverse current
Reverse recovery time
Total reverse recovery time
UNIT
VR = 1500 V, Tj = 140 °C
IR
-
-
140
IF = 0.5 A, IR = 1 A, iR = 0.25 A
trr
-
-
2
μs
IF = 1 A, - dIF/dt = 0.05 A/μs
trr
-
-
20
μs
3.5
40
IFAV - Average Forward Current (A)
RthJA - Ther. Resist. Junction/Ambient (K/W)
TYPICAL CHARACTERISTICS (Tamb = 25 C, unless otherwise specified)
30
20
l
l
10
TL = constant
5
10
15
20
25
l = 10 mm
2.0
1.5
1.0
RthJA = 70 K/W
0.5
PCB: d = 25 mm
0
0
30
l - Lead Length (mm)
94 9081
half sine wave
RthJA = 25 K/W
2.5
0
0
VR = VRRM
3.0
Fig. 1 - Typ. Thermal Resistance vs. Lead Length
25
50
75
100
125
150
Tamb - Ambient Temperature (°C)
16408
Fig. 3 - Max. Average Forward Current vs. Ambient Temperature
100
1000
IR - Reverse Current (μA)
IF - Forward Current (A)
VR = VRRM
10
1
0.1
0.01
0.001
0.0
16407
0.5
1.0
1.5
2.0
2.5
100
1
3.0
VF - Forward Voltage (V)
Fig. 2 - Forward Current vs. Forward Voltage
10
25
16409
50
75
100
125
150
Tj - Junction Temperature (°C)
Fig. 4 - Reverse Current vs. Junction Temperature
Rev. 1.8, 21-Feb-18
Document Number: 86003
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
BY228
16410
Vishay Semiconductors
350
70
VR = VRRM
300
CD - Diode Capacitance (pF)
PR - Reverse Power Dissipation (mW)
www.vishay.com
250
PR - Limit at 100 % VR
200
150
PR - Limit at 80 % VR
100
50
f = 1 MHz
60
50
40
30
20
10
0
0
25
50
75
100
125
150
0.1
Tj - Junction Temperature (°C)
1
Fig. 5 - Max. Reverse Power Dissipation vs. Junction Temperature
10
100
VR - Reverse Voltage (V)
16411
Fig. 6 - Diode Capacitance vs. Reverse Voltage
PACKAGE DIMENSIONS in millimeters (inches): SOD-64
Sintered Glass Case
SOD-64
Cathode Identification
4.3 (0.168) max.
1.35 (0.053) max.
26(1.014) min.
4 (0.156) max.
26 (1.014) min.
Document-No.: 6.563-5006.4-4
Rev. 3 - Date: 09.February.2005
94 9587
Rev. 1.8, 21-Feb-18
Document Number: 86003
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
Legal Disclaimer Notice
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Document Number: 91000
1
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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
Revision: 01-Jan-2024
