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VISHAY
Small Signal Schottky Diode, Dual
Features
• Low forward voltage drop
• Ultrafast switching
• Ideal for hard-disk drive applications
Mechanical Data
Case: SOT-23 Plastic case
Weight: approx. 8.8 mg
Packaging Codes/Options:
GS18 / 10 k per 13" reel (8 mm tape), 10 k/box
GS08 / 3 k per 7" reel (8 mm tape), 15 k/box
SD0520LS
Vishay Semiconductors
Parts Table
Part Ordering code Marking Remarks
SD0520LS SD0520-GS18 or SD0520-GS08 S20 Tape and Reel
Absolute Maximum Ratings
T
= 25 °C, unless otherwise specified
amb
Parameter Test condition Symbol Va lue Unit
Continuous reverse voltage V
Forward current I
R
F
20 V
500 mA
Thermal Characteristics
T
= 25 °C, unless otherwise specified
amb
Parameter Test condition Symbol Va lue Unit
Thermal resistance junction to ambient air R
Maximum junction temperature T
Storage temperature range T
1)
Valid provided that electrodes are kept at ambient temperature
thJA
j
S
1)
500
150 °C
- 65 to + 150 °C
°C/W
Document Number 85684
Rev. 1.6, 09-Jul-04
www.vishay.com
1

SD0520LS
Vishay Semiconductors
Electrical Characteristics
T
= 25 °C, unless otherwise specified
amb
Parameter Test condition Symbol Min Ty p. Max Unit
Minimum reverse breakdown voltage I
Maximum leakage current V
Maximum forward voltage I
Diode capacitance V
Typ. reverse recovery time I
Package Dimensions in mm (Inches)
0.4 (.016)0.4 (.016)
3.1 (.122)
2.8 (.110)
0.4 (.016)
= 100 µAV
R
= 10 V I
R
= 50 mA V
F
I
= 150 mA V
F
= 0 V, f = 1 MHz C
R
= IR = 100 mA t
F
0.175 (.007)
0.098 (.005)
0.1 (.004) max.
BR
R
F
F
D
rr
2.6 (.102)
2.35 (.092)
Mounting Pad Layout
0.52 (0.020)
VISHAY
20 V
20 µA
400 mV
500 mV
370 pF
32 ns
0.95 (.037)
1.15 (.045)
ISO Method E
3
0.9 (0.035)
2.0 (0.079)
1.20(.047)
1.43 (.056)
1
2
0.95 (.037)0.95 (.037)
0.95 (0.037)0.95 (0.037)
17418
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Document Number 85684
Rev. 1.6, 09-Jul-04

VISHAY
SD0520LS
Vishay Semiconductors
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
operatingsystems 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 Semiconductors products for any
unintended or unauthorized application, the buyer shall indemnify Vishay Semiconductors 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
Document Number 85684
Rev. 1.6, 09-Jul-04
www.vishay.com
3