BYT43
Vishay Telefunken
Electrical Characteristics
T
j
= 25
_
C
Parameter
Forward voltage
Test Conditions
I
F
= 1 A
Type
BYT43A
–BYT43J
BYT43K
–BYT43M
Symbol
V
F
V
F
I
R
I
R
BYT43A
BYT43B
BYT43D
BYT43G
BYT43J
BYT43K
BYT43M
BYT43A
–BYT43J
BYT43K
–BYT43M
V
(BR)R
V
(BR)R
V
(BR)R
V
(BR)R
V
(BR)R
V
(BR)R
V
(BR)R
t
rr
t
rr
50
100
200
400
600
800
1000
50
75
Min
Typ
Max
1.6
2
5
150
Unit
V
V
Reverse current
Reverse breakdown voltage
g
V
R
=V
RRM
V
R
=V
RRM
, T
j
=150
°
C
I
R
=100
m
A
m
A
m
A
V
V
V
V
V
V
V
ns
ns
Reverse recovery time
I
F
=0.5A, I
R
=1A,
i
R
=0.25A
Characteristics
(T
j
= 25
_
C unless otherwise specified)
R
thJA
– Therm. Resist. Junction / Ambient ( K/W )
120
I
FAV
– Average Forward Current ( A )
100
80
60
l
40
20
0
0
5
10
15
T
L
=constant
20
25
30
96 12144
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
20
40
60
80 100 120 140 160 180
T
amb
– Ambient Temperature (
°C
)
BYT43M
BYT43J
BYT43A
V
R
= V
R RM
f 1kHz
R
thJA
110K/W
PC Board
v
v
l
96 12151
l – Lead Length ( mm )
Figure 1. Max. Thermal Resistance vs. Lead Length
Figure 2. Max. Average Forward Current vs.
Ambient Temperature
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Document Number 86026
Rev. 3, 24-Jun-98
BYT43
Vishay Telefunken
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
96 12145
100.000
BYT43A
V
R
= V
R RM
f 1kHz
R
thJA
60K/W
l=10mm
I
FAV
– Average Forward Current ( A )
I
F
– Forward Current ( A )
v
v
10.000
T
j
= 175°C
1.000
T
j
= 25°C
0.100
0.010
BYT43A
–BYT43J
0.001
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
96 12143
BYT43J
BYT43M
20
40
60
80 100 120 140 160 180
T
amb
– Ambient Temperature (
°C
)
V
F
– Forward Voltage ( V )
Figure 3. Max. Average Forward Current vs.
Ambient Temperature
1000
V
R
= V
RRM
I
R
– Reverse Current (
m
A )
Figure 5. Max. Forward Current vs. Forward Voltage
100.000
10.000
I
F
– Forward Current ( A )
100
T
j
= 175°C
1.000
T
j
= 25°C
0.100
0.010
BYT43K
–BYT43M
0.001
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
10
1
25
96 12146
50
75
100
125
150
175
96 12142
T
j
– Junction Temperature (
°C
)
V
F
– Forward Voltage ( V )
Figure 4. Max. Reverse Current vs.
Junction Temperature
Figure 6. Max. Forward Current vs. Forward Voltage
Dimensions in mm
Standard Glass Case
DOT 30 B
Weight max. 0.5 g
∅
3 max.
Cathode Identification
95 10524
technical drawings
according to DIN
specifications
∅
0.82 max.
26 min.
4.2 max.
26 min.
Document Number 86026
Rev. 3, 24-Jun-98
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BYT43
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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Document Number 86026
Rev. 3, 24-Jun-98
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