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LCDA12C-1 and LCDA15C-1
Low Capacitance TVS Diode Array
PROTECTION PRODUCTS
Description
The LCDAxxC-1 is a low capacitance transient voltage
suppressor (TVS) diode array. It is designed to protect
sensitive CMOS ICs from the damaging effects of ESD
and lightning. Each device will protect one line in
common (line-to-ground) mode or one line pair in
metallic (Line-to-line) mode. They are low capacitance
(< 15pF) making them suitable for use on high-speed
telecom and datacom interfaces without signal degra-
dation.
The configuration of the LCDAxxC-1 has been optimized
for easy layout on high density boards. The small
SOT-143 package minimizes required board space.
These devices will handle up to 20 Amps for an
8/20μs lightning impulse. The low inductance con-
struction minimizes voltage overshoot during high
current surges.
The LCDAxxC-1 may be used to protect ADSL inter-
faces, multi-protocol serial transceivers, portable
electronics, and wireless systems.
Circuit Diagram
PRELIMINARY
Features
Transient protection to high-speed data lines
IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)
IEC 61000-4-4 (EFT) 40A (5/50ns)
IEC 61000-4-5 (Lightning) 0.5kV, 12A (8/20μs)
Configuration optimized for easy board layout
Protects one line pair
Low capacitance (<15pF) for high-speed interfaces
Low clamping voltage
Low leakage current
Operating voltage: 12V and 15V
Solid-state silicon-avalanche technology
Mechanical Characteristics
JEDEC SOT-143 package
Molding compound flammability rating: UL 94V-0
Marking : Marking code
Packaging : Tape and Reel per EIA 481
RoHS/WEEE Compliant
Applications
ADSL Interfaces
RS-232, RS-422, V.90 Interfaces
Multi-Protocol Serial Transceivers
High-Speed Data Lines
Portable Electronics
WAN/LAN Equipment
Wireless Systems
Schematic & PIN Configuration
Pin 1 and 4
Pin 2 and 3
SOT-143 (Top View)
Revision 01/15/03
1
www.semtech.com
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LCDA12C-1_03 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Low Capacitance TVS Diode Array
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LCDA12C-8.TE 制造商:Semtech Corporation 功能描述:Diode TVS Octal Bi-Dir 12V 500W 16-Pin SOIC T/R