BYW32...BYW36
Vishay Telefunken
Fast Silicon Mesa Rectifiers
Features
D
D
D
D
Glass passivated junction
Hermetically sealed package
Low reverse current
Soft recovery characteristics
Applications
Fast rectifier and switch for example for TV–line output
circuits and switch mode power supply
94 9539
Absolute Maximum Ratings
T
j
= 25
_
C
Parameter
Reverse voltage
g
=Repetitive peak reverse voltage
Test Conditions
Type
BYW32
BYW33
BYW34
BYW35
BYW36
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
T
j
=T
stg
Value
200
300
400
500
600
50
12
2
–55...+175
Unit
V
V
V
V
V
A
A
A
°
C
Peak forward surge current
t
p
=10ms,
half sinewave
Repetitive peak forward current
Average forward current
ϕ=180
°
Junction and storage temperature range
Maximum Thermal Resistance
T
j
= 25
_
C
Parameter
Junction ambient
Test Conditions
l=10mm, T
L
=constant
on PC board with spacing 25mm
Symbol
R
thJA
R
thJA
Value
45
100
Unit
K/W
K/W
Electrical Characteristics
T
j
= 25
_
C
Parameter
Forward voltage
Reverse current
Reverse recovery time
Test Conditions
I
F
=1A
V
R
=V
RRM
V
R
=V
RRM
, T
j
=150
°
C
I
F
=0.5A, I
R
=1A, i
R
=0.25A
Type
Symbol
V
F
I
R
I
R
t
rr
Min
Typ
0.95
1
60
Max
1.1
5
150
200
Unit
V
m
A
m
A
ns
Document Number 86048
Rev. 2, 24-Jun-98
www.vishay.de
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BYW32...BYW36
Vishay Telefunken
Characteristics
(T
j
= 25
_
C unless otherwise specified)
R
thJA
– Therm. Resist. Junction / Ambient ( K/W )
120
I
R
– Reverse Current (
m
A )
100
80
60
l
40
20
0
0
5
10
15
T
L
=constant
20
25
30
94 9560
1000
Scattering Limit
100
10
V
R
= V
R RM
1
l
0.1
0
40
80
120
160
200
T
j
– Junction Temperature (
°C
)
94 9552
l – Lead Length ( mm )
Figure 1. Max. Thermal Resistance vs. Lead Length
1.2
I
FAV
– Average Forward Current ( A )
Figure 4. Reverse Current vs. Junction Temperature
100
I
F
– Forward Current ( A )
1.0
0.8
0.6
0.4
0.2
0
0
40
80
R
thJA
=100K/W
f 20kHz
PC Board
v
T
j
= 175°C
10
1
T
j
= 25°C
0.1
0.01
120
160
200
94 9555
0
0.6
1.2
1.8
2.4
3.0
94 9558
T
amb
– Ambient Temperature (
°C
)
V
F
– Forward Voltage ( V )
Figure 2. Max. Average Forward Current vs.
Ambient Temperature
Figure 5. Max. Forward Current vs. Forward Voltage
20
I
FAV
– Average Forward Current ( A )
2.0
C
D
– Diode Capacitance ( pF )
200
94 9557
16
1.6
1.2
0.8
0.4
0
0
40
80
120
160
12
f 20kHz
R
thJA
=45K/W
l=10mm
v
8
4
0
0.1
1
10
100
94 9559
T
amb
– Ambient Temperature (
°C
)
V
R
– Reverse Voltage ( V )
Figure 3. Max. Average Forward Current vs.
Ambient Temperature
Figure 6. Typ. Diode Capacitance vs. Reverse Voltage
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Document Number 86048
Rev. 2, 24-Jun-98
BYW32...BYW36
Vishay Telefunken
Ozone Depleting Substances Policy Statement
It is the policy of
Vishay Semiconductor GmbH
to
1. Meet all present and future national and international statutory requirements.
2. Regularly and continuously improve the performance of our products, processes, distribution and operating
systems
with respect to their impact on the health and safety of our employees and the public, as well as their impact on
the environment.
It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as
ozone depleting substances ( ODSs ).
The Montreal Protocol ( 1987 ) and its London Amendments ( 1990 ) intend to severely restrict the use of ODSs and
forbid their use within the next ten years. Various national and international initiatives are pressing for an earlier ban
on these substances.
Vishay Semiconductor GmbH
has been able to use its policy of continuous improvements to eliminate the use of
ODSs listed in the following documents.
1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively
2 . Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental
Protection Agency ( EPA ) in the USA
3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C ( transitional substances ) respectively.
Vishay Semiconductor GmbH
can certify that our semiconductors are not manufactured with ozone depleting
substances and do not contain such substances.
We reserve the right to make changes to improve technical design and may do so without further notice.
Parameters can vary in different applications. All operating parameters must be validated for each customer application
by the customer. Should the buyer use Vishay-Telefunken products for any unintended or unauthorized application, the
buyer shall indemnify Vishay-Telefunken against all claims, costs, damages, and expenses, arising out of, directly or
indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use.
Vishay Semiconductor GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany
Telephone: 49 ( 0 ) 7131 67 2831, Fax number: 49 ( 0 ) 7131 67 2423
www.vishay.de
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4 (4)
Document Number 86048
Rev. 2, 24-Jun-98
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