BYW32, BYW33, BYW34, BYW35, BYW36
Vishay Semiconductors
Fast Avalanche Sinterglass Diode
FEATURES
• Glass passivated junction
• Hermetically sealed package
• Low reverse current
• Soft recovery characteristics
• Compliant to RoHS directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
949539
• Halogen-free according to IEC 61249-2-21
definition
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
Weight:
approx. 369 mg
APPLICATIONS
• Fast rectification an switching diode for example for
TV-line output circuits and switch mode power supply
PARTS TABLE
PART
BYW32
BYW33
BYW34
BYW35
BYW36
TYPE DIFFERENTIATION
V
R
= 200 V; I
FAV
= 2 A
V
R
= 300 V; I
FAV
= 2 A
V
R
= 400 V; I
FAV
= 2 A
V
R
= 500 V; I
FAV
= 2 A
V
R
= 600 V; I
FAV
= 2 A
PACKAGE
SOD-57
SOD-57
SOD-57
SOD-57
SOD-57
ABSOLUTE MAXIMUM RATINGS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
PART
BYW32
BYW33
Reverse voltage = repetitive peak
reverse voltage
See electrical characteristics
BYW34
BYW35
BYW36
Peak forward surge current
Repetitive peak forward current
Average forward current
Non repetitive reverse avalanche
energy
Junction and storage temperature
range
ϕ
= 180°
I
(BR)R
= 0.4 A
t
p
= 10 ms, half sine wave
SYMBOL
V
R
= V
RRM
V
R
= V
RRM
V
R
= V
RRM
V
R
= V
RRM
V
R
= V
RRM
I
FSM
I
FRM
I
FAV
E
R
T
j
= T
stg
VALUE
200
300
400
500
600
50
12
2
10
- 55 to + 175
UNIT
V
V
V
V
V
A
A
A
mJ
°C
MAXIMUM THERMAL RESISTANCE
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Junction ambient
TEST CONDITION
Lead length l = 10 mm, T
L
= constant
On PC board with spacing 25 mm
SYMBOL
R
thJA
R
thJA
VALUE
45
100
UNIT
K/W
K/W
Document Number: 86048
Rev. 1.7, 30-Jul-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
1
BYW32, BYW33, BYW34, BYW35, BYW36
Vishay Semiconductors
Fast Avalanche Sinterglass Diode
ELECTRICAL CHARACTERISTICS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Forward voltage
Reverse current
Reverse recovery time
TEST CONDITION
I
F
= 1 A
V
R
= V
RRM
V
R
= V
RRM
, T
j
= 150 °C
I
F
= 0.5 A, I
R
= 1 A, i
R
= 0.25 A
PART
SYMBOL
V
F
I
R
I
R
t
rr
MIN.
-
-
-
-
TYP.
0.95
1
60
-
MAX.
1.1
5
150
200
UNIT
V
μA
μA
ns
TYPICAL CHARACTERISTICS
(T
amb
= 25
°C,
unless otherwise specified)
2.5
R
thJA
- Ther. Resist. Junction/Ambient (K/W)
120
100
80
60
l
40
20
T
L
= constant
0
0
949552
I
FAV
- Average Forward Current (A)
V
R
= V
RRM
half
sinewave
2.0
1.5
R
thJA
= 45 K/W
I = 10 mm
l
1.0
R
thJA
= 100 K/W
PCB: d = 25 mm
0.5
0
30
16346
5
10
15
20
25
0
20
40
60
80 100 120 140 160 180
l - Lead Length (mm)
T
amb
- Ambient Temperature (°C)
Fig. 1 - Max. 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)
T
j
= 175 °C
T
j
= 25 °C
I
R
- Reverse Current (A)
10
100
1
0.1
10
0.01
0.001
0
16345
0.5
1.0
1.5
2.0
2.5
3.0
16347
1
25
50
75
100
125
150
175
V
F
- Forward Voltage (V)
T
j
- Junction Temperature (°C)
Fig. 2 - Forward Current vs. Forward Voltage
Fig. 4 - Reverse Current vs. Junction Temperature (°C)
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2
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Document Number: 86048
Rev. 1.7, 30-Jul-10
BYW32, BYW33, BYW34, BYW35, BYW36
Fast Avalanche Sinterglass Diode
Vishay Semiconductors
P
R
- Reverse Power Dissipation (mW)
300
V
R
= V
RRM
250
200
150
100
50
0
25
50
75
100
125
150
175
P
R
-Limit
at 80 % V
R
P
R
-Limit
at 100 % V
R
40
f = 1 MHz
C
D
- Diode Capacitance (pF)
35
30
25
20
15
10
5
0
0.1
1
10
100
16348
T
j
- Junction Temperature (°C)
16349
V
R
- Reverse Voltage (V)
Fig. 5 - Max. Reverse Power Dissipation vs. Junction Temperature
Fig. 6 - Diode Capacitance vs. Reverse Voltage
Z
thp
- Thermal Resist. for Pulse Cond. (K/W)
1000
V
RRM
= 600 V
R
thJA
= 100 K/W
100
t
p
/T = 0.5
0.2
0.1
10
0.02
70 °C
0.01
1
10
-5
949561
T
amb
= 25 °C
45 °C
100 °C
50 °C
Single
pulse
10
-3
10
-2
10
-1
10
0
10
1
10
0
10
1
10
-4
t
p
- Pulse Length (s)
I
FRM
- Repetitive Peak
Forward Current (A)
Fig. 7 - Thermal Response
PACKAGE DIMENSIONS
in millimeters (inches):
SOD-57
0.82 (0.032) max.
26 (1.024) min.
4 (0.157) max.
26 (1.024) min.
Document Number: 86048
Rev. 1.7, 30-Jul-10
3.6 (0.142) max.
20543
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
www.vishay.com
3
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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
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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
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
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Document Number: 91000
Revision: 11-Mar-11
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