BYV28-50, BYV28-100, BYV28-150, BYV28-200
Vishay Semiconductors
Ultra-Fast Avalanche Sinterglass Diode
FEATURES
• Controlled avalanche characteristic
• Low forward voltage
• Ultra fast recovery time
• Glass passivated junction
• Hermetically sealed package
949588
• Compliant to RoHS directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
• Halogen-free according to IEC 61249-2-21 definition
MECHANICAL DATA
APPLICATIONS
Case: SOD-64
• Very fast rectification e.g. for switch mode power supply
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
TYPE DIFFERENTIATION
PACKAGE
BYV28-50
VR = 50 V; IFAV = 3.5 A
SOD-64
BYV28-100
VR = 100 V; IFAV = 3.5 A
SOD-64
BYV28-150
VR = 150 V; IFAV = 3.5 A
SOD-64
BYV28-200
VR = 200 V; IFAV = 3.5 A
SOD-64
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
Peak reverse voltage, non repetitive
Reverse voltage = repetitive peak
reverse voltage
Peak forward surge current
See electrical characteristics
See electrical characteristics
tp = 10 ms, half sine wave
PART
SYMBOL
VALUE
UNIT
BYV28-50
VRSM
55
V
BYV28-100
VRSM
110
V
BYV28-150
VRSM
165
V
BYV28-200
VRSM
220
V
BYV28-50
VR = VRRM
50
V
BYV28-100
VR = VRRM
100
V
BYV28-150
VR = VRRM
150
V
BYV28-200
VR = VRRM
200
V
A
IFSM
90
Repetitive peak forward current
IFRM
25
A
Average forward current
IFAV
3.5
A
ER
20
mJ
Tj = Tstg
- 55 to + 175
°C
Pulse energy in avalanche mode, non
repetitive (inductive load switch off)
Junction and storage temperature
range
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I(BR)R = 1 A, Tj = 175 °C
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Document Number: 86044
Rev. 1.7, 25-Aug-10
BYV28-50, BYV28-100, BYV28-150, BYV28-200
Ultra-Fast Avalanche Sinterglass
Diode
Vishay Semiconductors
MAXIMUM THERMAL RESISTANCE (Tamb = 25 °C, unless otherwise specified)
PARAMETER
Junction ambient
TEST CONDITION
SYMBOL
VALUE
UNIT
Lead length l = 10 mm, TL = constant
RthJA
25
K/W
On PC board with spacing 25 mm
RthJA
70
K/W
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
Forward voltage
SYMBOL
MIN.
TYP.
MAX.
UNIT
IF = 5 A
VF
-
-
1.1
V
IF = 5 A, Tj = 175 °C
VF
-
-
0.89
V
VR = VRRM
IR
-
-
1
μA
Reverse current
Reverse recovery time
PART
VRSM
IR
-
-
100
μA
VR = VRRM, Tj = 165 °C
IR
-
-
150
μA
IF = 0.5 A, IR = 1 A, iR = 0.25 A
trr
-
-
30
ns
40
4.0
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
VR = VRRM
half sine wave
RthJA ≤ 25 K/W
l = 10 mm
3.5
3.0
2.5
2.0
1.5
RthJA ≤ 70 K/W
PCB: d = 25 mm
1.0
0.5
0.0
0
0
5
10
15
20
25
Fig. 1 - Max. Thermal Resistance vs. Lead Length
20
40
60
80 100 120 140 160 180
Tamb - Ambient Temperature (°C)
16454
l - Lead Length (mm)
949548
0
30
Fig. 3 - Max. Average Forward Current vs. Ambient Temperature
100
1000
IR - Reverse Current (A)
IF - Forward Current (A)
VR = VRRM
10
Tj = 175 °C
1
Tj = 25 °C
0.1
0.01
0.001
0.0
16453
100
10
1
0.4
0.8
1.2
1.6
VF - Forward Voltage (V)
Fig. 2 - Forward Current vs. Forward Voltage
Document Number: 86044
Rev. 1.7, 25-Aug-10
25
2.0
16455
50
75
100
125
150
175
Tj - Junction Temperature (°C)
Fig. 4 - Reverse Current vs. Junction Temperature
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
www.vishay.com
73
BYV28-50, BYV28-100, BYV28-150, BYV28-200
Ultra-Fast Avalanche Sinterglass
Diode
60
250
f = 1 MHz
VR = VRRM
CD - Diode Capacitance (pF)
PR - Reverse Power Dissipation (mW)
Vishay Semiconductors
50
40
PR - Limit
at 100 % VR
30
20
PR - Limit
at 80 % VR
10
200
150
100
50
0
0
25
16456
50
75
100
125
150
175
0.1
Tj - Junction Temperature (°C)
16457
Fig. 5 - Max. Reverse Power Dissipation vs. Junction Temperature
1
10
100
VR - Reverse Voltage (V)
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
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74
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Document Number: 86044
Rev. 1.7, 25-Aug-10
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
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(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
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otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
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Document Number: 91000
Revision: 18-Jul-08
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