Vishay Telefunken
Silicon Mesa SMD Rectifier
Features
D
Soft recovery characteristics
D
Glass passivated junction
D
Low reverse current
D
Delivery on 12mm tape
Applications
Fast rectifier
Absolute Maximum Ratings
Tj = 25_C
Parameter Test Conditions Type Symbol Value Unit
Reverse voltage V
Peak forward surge current tp=10ms, half–sinewave I
Average forward current T
Junction and storage temperature range Tj=T
= 25°C,
amb
TL = constant
FSM
I
FAV
15 811
R
–55...+150°C
stg
S420D
400 V
20 A
1.5 A
Maximum Thermal Resistance
Tj = 25_C
Parameter Test Conditions Symbol Value Unit
Junction lead TL = constant R
Junction ambient Epoxy glass hard issue,
35mm*17mm2 copper area per electrode
Epoxy glass hard issue,
35mm*50mm
2
copper area per electrode
Electrical Characteristics
Tj = 25_C
Parameter Test Conditions Type Symbol Min Typ Max Unit
Forward voltage IF=1A V
Reverse current VR=400V I
VR=400V, Tj=100°C I
Reverse recovery time IF=0.5A, IR=1A, iR=0.25A t
thJL
R
thJA
R
thJA
F
R
R
rr
25 K/W
150 K/W
125 K/W
2 V
5
m
20
25 ns
m
A
A
Document Number 86057
Rev. 2, 24-Jun-98
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S420D
Vishay Telefunken
Characteristics (Tj = 25_C unless otherwise specified)
1000
10
Tj=150°C
1000
VR = V
RRM
1
Tj=25°C
0.1
0.01
F
I – Forward Current ( A )
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
VF – Forward Voltage ( V )15955
Figure 1. Forward Current vs. Forward Voltage
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
R
FAV
I – Average Forward Current ( A )
0.1
0
0 20 40 60 80 100 120 140
=125K/W
thJA
PCB: d=25mm
T
– Ambient Temperature ( °C )15956
amb
VR=V
half sinewave
R
=25K/W
thJA
l=10mm
RRM
m
100
100
10
10
R
I – Reverse Current ( A )
1
1
25 50 75 100 125 150
25 50 75 100 125 150
Tj – Junction Temperature ( °C )15958
Figure 3. Reverse Current vs. Junction Temperature
Figure 2. Average Forward Current vs.
Ambient Temperature
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Document Number 86057
Rev. 2, 24-Jun-98
Dimensions in mm
S420D
Vishay Telefunken
14275
Document Number 86057
Rev. 2, 24-Jun-98
www.vishay.de • FaxBack +1-408-970-5600
3 (4)
S420D
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. V arious 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
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4 (4)
Document Number 86057
Rev. 2, 24-Jun-98
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