BY228
www.vishay.com
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
• Efficiency diode in horizontal deflection circuit
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
BY228
BY228
ORDERING CODE
BY228TR
BY228TAP
TAPED UNITS
2500 per 10" tape and reel
2500 per ammopack
MINIMUM ORDER QUANTITY
12 500
12 500
PARTS TABLE
PART
BY228
TYPE DIFFERENTIATION
V
R
= 1500 V; I
F(AV)
= 3 A
PACKAGE
SOD-64
ABSOLUTE MAXIMUM RATINGS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Reverse voltage
Repetitive peak reverse voltage
Peak forward surge current
Average forward current
Junction temperature
Storage temperature range
Non repetitive reverse avalanche energy
l
(BR)R
= 0.4 A
TEST CONDITION
See electrical characteristics
l
R
= 100 μA
t
p
= 10 ms, half sine wave
PART
BY228
SYMBOL
V
R
V
RRM
I
FSM
I
F(AV)
T
j
T
stg
E
R
VALUE
1500
1650
50
3
140
- 55 to + 175
10
UNIT
V
V
A
A
°C
°C
mJ
MAXIMUM THERMAL RESISTANCE
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Junction ambient
TEST CONDITION
On PC board with spacing 25 mm
SYMBOL
R
thJA
VALUE
70
UNIT
K/W
Rev. 1.8, 12-Sep-12
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
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Forward voltage
Reverse current
Total reverse recovery time
Reverse recovery time
TEST CONDITION
I
F
= 5 A
V
R
= 1500 V
V
R
= 1500 V, T
j
= 140 °C
I
F
= 1 A, - dI
F
/dt = 0.05 A/μs
I
F
= 0.5 A, I
R
= 1 A, i
R
= 0.25 A
SYMBOL
V
F
I
R
I
R
t
rr
t
rr
MIN.
-
-
-
-
-
TYP.
-
2
-
-
-
MAX.
1.5
5
140
20
2
UNIT
V
μA
μA
μs
μs
TYPICAL CHARACTERISTICS
(T
amb
= 25
C,
unless otherwise specified)
R
thJA
- Ther. Resist. Junction/Ambient (K/W)
3.5
40
I
FAV
- Average Forward Current (A)
3.0
2.5
2.0
1.5
1.0
0.5
0
R
thJA
= 70 K/W
PCB: d = 25 mm
0
25
50
75
V
R
= V
RRM
half
sine
wave
R
thJA
= 25 K/W
l = 10 mm
30
20
l
l
10
T
L
= constant
0
0
94 9081
5
10
15
20
25
30
16408
100
125
150
l - Lead Length (mm)
T
amb
- Ambient Temperature (°C)
Fig. 1 - Typ. Thermal Resistance vs. Lead Length
Fig. 3 - Max. Average Forward Current vs. Ambient Temperature
100
1000
V
R
= V
RRM
I
F
- Forward Current (A)
I
R
- Reverse Current (μA)
0.5
1.0
1.5
2.0
2.5
3.0
10
1
100
0.1
10
0.01
0.001
0.0
16407
1
25
16409
V
F
- Forward Voltage (V)
50
75
100
125
150
T
j
- Junction Temperature (°C)
Fig. 2 - Forward Current vs. Forward Voltage
Fig. 4 - Reverse Current vs. Junction Temperature
Rev. 1.8, 12-Sep-12
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
www.vishay.com
Vishay Semiconductors
P
R
- Reverse Power Dissipation (mW)
350
V
R
= V
RRM
70
C
D
- Diode Capacitance (pF)
300
250
P
R
- Limit at 100 % V
R
200
150
P
R
- Limit at 80 % V
R
100
50
0
25
50
75
100
125
150
60
50
40
30
20
10
0
0.1
1
10
f = 1 MHz
16410
100
T
j
- Junction Temperature (°C)
16411
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-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, 12-Sep-12
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
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
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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
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© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
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