SLVU2.8.TCT Semtech, SLVU2.8.TCT Datasheet

TVS DIODE, 400W, 2.8V, SOT-23

SLVU2.8.TCT

Manufacturer Part Number
SLVU2.8.TCT
Description
TVS DIODE, 400W, 2.8V, SOT-23
Manufacturer
Semtech
Datasheet

Specifications of SLVU2.8.TCT

Diode Type
Unidirectional TVS
Clamping Voltage Vc Max
15V
Operating Voltage
2.8V
Diode Case Style
SOT-23
No. Of Pins
3
Peak Pulse Power Ppk @ 8x20us
400W
Junction Capacitance
10pF
Number Of Elements
1
Polarity
Uni-Directional
Package Type
SOT-23
Operating Temperature Classification
Military
Clamping Voltage
15V
Reverse Stand-off Voltage
2.8V
Leakage Current (max)
1uA
Peak Pulse Current
24A
Peak Pulse Power Dissipation
400W
Operating Temp Range
-55C to 125C
Mounting
Surface Mount
Pin Count
3
Breakdown Voltage Min
3V
Breakdown Voltage Vbr
40V
Capacitance, Cd
5pF
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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The SLV series of transient voltage suppressors are
designed to protect low voltage, state-of-the-art CMOS
semiconductors from transients caused by electro-
static discharge (ESD), cable discharge events (CDE),
lightning and other induced voltage surges.
The devices are constructed using Semtech’s propri-
etary EPD process technology. The EPD process pro-
vides low standoff voltages with significant reductions
in leakage currents and capacitance over silicon-
avalanche diode processes. The SLVU2.8 features an
integrated low capacitance compensation diode that
allows the device to be configured to protect one
unidirectional line or, when paired with a second
SLVU2.8, two high-speed line pairs. The low capaci-
tance design of the SLVU2.8 means signal integrity is
preserved in high-speed applications such as 10/100
Ethernet.
The SLVU2.8 is in an SOT23 package and has a low
2.8 volt working voltage. It is specifically designed to
protect low voltage components such as Ethernet
transceivers, laser diodes, ASICs, and high-speed RAM.
The low clamping voltage of the SLVU2.8 minimizes the
stress on the protected IC.
The SLV series TVS diodes will exceed the surge re-
quirements of IEC 61000-4-2, Level 4.
Revision 06/25/2008
PROTECTION PRODUCTS
PROTECTION PRODUCTS
Description
Circuit Diagram
3
1
2
1
Features
Mechanical Characteristics
Applications
Schematic & PIN Configuration
For ESD and Latch-Up Protection
400 Watts peak pulse power (t
Transient protection for high speed data lines to
IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)
IEC 61000-4-4 (EFT) 40A (5/50ns)
IEC 61000-4-5 (Lightning) 24A (8/20μs)
One device protects one unidirectional line
Two devices protect two high-speed line pairs
Low capacitance
Low leakage current
Low operating and clamping voltages
Solid-state EPD TVS process technology
JEDEC SOT23 package
Molding compound flammability rating: UL 94V-0
Marking : U2.8
Packaging : Tape and Reel per EIA 481
10/100 Ethernet
WAN/LAN Equipment
Switching Systems
Desktops, Servers, Notebooks & Handhelds
Laser Diode Protection
Base Stations
Low Voltage EPD TVS Diode
1
2
SOT23 (Top View)
p
= 8/20μs)
3
www.semtech.com
SLVU2.8

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SLVU2.8.TCT Summary of contents

Page 1

... The devices are constructed using Semtech’s propri- etary EPD process technology. The EPD process pro- vides low standoff voltages with significant reductions in leakage currents and capacitance over silicon- avalanche diode processes ...

Page 2

... PROTECTION PRODUCTS PROTECTION PRODUCTS Absolute Maximum Rating μ μ Electrical Characteristics © 2008 Semtech Corp μ ° μ μ μ μ μ μ ° SLVU2 www.semtech.com μ μ ...

Page 3

... Pulse Duration - t Pulse Waveform 110 100 (µs) Forward Voltage vs. Forward Current Forward Current - I © 2008 Semtech Corp. 110 100 100 1000 (µs) p Clamping Voltage vs. Peak Pulse Current 18 W aveform Parameters 8µ 20µ Normalized Capacitance vs. Reverse Voltage 1MHz 1.8 1.6 1.4 1 ...

Page 4

... PROTECTION PRODUCTS PROTECTION PRODUCTS Typical Characteristics (Continued) Insertion Loss S21 CH1 S21 LOG REF 0 dB START . 030 MHz © 2008 Semtech Corp. STOP 000 . 000 000 MHz 3 4 SLVU2.8 www.semtech.com ...

Page 5

... Protection of one unidirectional line Low capacitance protection of one high-speed line pair EPD TVS Characteristics The SLVU2.8 is constructed using Semtech’s propri- etary EPD technology. The structure of the EPD TVS is vastly different from the traditional pn-junction devices. At voltages below 5V, high leakage current and junction capacitance render conventional avalanche technology impractical for most applications ...

Page 6

... BRR R I BRR EPD TVS IV Characteristic Curve © 2008 Semtech Corp. ). During a RWM Circuit Board Layout Recommendations for Suppres- sion of ESD. Good circuit board layout is critical for the suppression of ESD induced transients. The following guidelines are recommended: Place the SLVU2.8 near the input terminals or connectors to restrict transient coupling ...

Page 7

... PROTECTION PRODUCTS PROTECTION PRODUCTS Typical Applications (Reference Semtech Application Note SI98-02 for more information) 10/100 Ethernet “Enhanced” Lightning Protection Circuit (Reference Semtech Application Note SI98-02 for more information) © 2008 Semtech Corp. 10/100 Ethernet Protection Circuit 7 SLVU2.8 www.semtech.com ...

Page 8

... PROTECTION PRODUCTS PROTECTION PRODUCTS Applications Information - SPICE Model © 2008 Semtech Corp. 0.6 nH SLVU2.8 Spice Model SLVU2 www.semtech.com ...

Page 9

... DIMENSIONS "E1" AND "D" DO NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. Land Pattern - SOT23 NOTES: 1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR COMPANY'S MANUFACTURING GUIDELINES ARE MET. REFERENCE IPC-SM-782A. 2. © 2008 Semtech Corp. H GAUGE PLANE SEATING PLANE E 0.25 C DETAIL aaa C ...

Page 10

... PROTECTION PRODUCTS PROTECTION PRODUCTS Marking U2.8 Ordering Information Contact Information Phone: (805)498-2111 FAX (805)498-3804 © 2008 Semtech Corp Semtech Corporation Protection Products Division 200 Flynn Road, Camarillo, CA 93012 10 SLVU2.8 www.semtech.com ...

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