BY228
Vishay Semiconductors
Standard Avalanche Sinterglass Diode
FEATURES
• Glass passivated junction
• Hermetically sealed package
• Compliant to RoHS directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
• Halogen-free according to IEC 61249-2-21
definition
949588
APPLICATIONS
• 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
PARTS TABLE
PART
BY228
TYPE DIFFERENTIATION
V
R
= 1500 V; I
FAV
= 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
SYMBOL
V
R
V
RRM
I
FSM
I
FAV
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
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
Document Number: 86003
Rev. 1.7, 09-Aug-10
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
www.vishay.com
141
BY228
Vishay Semiconductors
Standard Avalanche Sinterglass
Diode
TYPICAL CHARACTERISTICS
(T
amb
= 25
°C,
unless otherwise specified)
R
thJA
- Ther. Resist. Junction/Ambient (K/W)
40
1000
V
R
= V
RRM
30
I
R
- Reverse Current (μA)
30
100
20
l
l
10
10
T
L
= constant
0
0
94 9081
1
5
10
15
20
25
25
16409
50
75
100
125
150
l - Lead Length (mm)
T
j
- Junction Temperature (°C)
Fig. 1 - Typ. Thermal Resistance vs. Lead Length
Fig. 4 - Reverse Current vs. Junction Temperature
P
R
- Reverse Power Dissipation (mW)
100
350
V
R
= V
RRM
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
I
F
- Forward Current (A)
10
1
0.1
0.01
0.001
0.0
16407
0.5
1.0
1.5
2.0
2.5
3.0
16410
V
F
- Forward Voltage (V)
T
j
- Junction Temperature (°C)
Fig. 2 - Forward Current vs. Forward Voltage
Fig. 5 - Max. Reverse Power Dissipation vs. Junction Temperature
3.5
70
I
FAV
- Average Forward Current (A)
C
D
- Diode Capacitance (pF)
3.0
2.5
2.0
1.5
1.0
0.5
0
0
25
50
75
R
thJA
= 70 K/W
PCB: d = 25 mm
V
R
= V
RRM
half
sine
wave
R
thJA
= 25 K/W
l = 10 mm
60
50
40
30
20
10
0
f = 1 MHz
100
125
150
16411
0.1
1
10
100
16408
T
amb
- Ambient Temperature (°C)
V
R
- Reverse Voltage (V)
Fig. 3 - Max. Average Forward Current vs. Ambient Temperature
Fig. 6 - Diode Capacitance vs. Reverse Voltage
www.vishay.com
142
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Document Number: 86003
Rev. 1.7, 09-Aug-10
BY228
Standard Avalanche Sinterglass
Diode
PACKAGE DIMENSIONS
in millimeters (inches):
SOD-64
Vishay Semiconductors
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
Document Number: 86003
Rev. 1.7, 09-Aug-10
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
www.vishay.com
143
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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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the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
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Document Number: 91000
Revision: 11-Mar-11
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