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PROTECTION PRODUCTS - RailClamp ?
Description
RailClamps are ultra low capacitance TVS arrays
designed to protect high speed data interfaces. This
series has been specifically designed to protect sensi-
tive components which are connected to high-speed
data and transmission lines from overvoltage caused
by ESD (electrostatic discharge), CDE (Cable Discharge
Events), and EFT (electrical fast transients).
The RClamp TM 0544M has a typical capacitance of only
0.30pF. This means it can be used on circuits operating
in excess of 2GHz without signal attenuation. They may
be used to meet the ESD immunity requirements of IEC
61000-4-2, Level 4 (±15kV air, ±8kV contact discharge).
These devices are in a MSOP 10L package and feature a
lead-free, matte tin finish. They are compatible with both
lead free and SnPb assembly techniques. They are de-
signed for easy PCB layout by allowing the traces to run
straight through the device. The combination of small
size, low capacitance, and high level of ESD protection
makes them a flexible solution for protecting high-speed
HDMI and DVI video interfaces.
Circuit Diagram
RClamp0544M
RailClamp ?
ESD Protection for HDMI Interfaces
PRELIMINARY
Features
ESD protection for high-speed data lines to
IEC 61000-4-2 (ESD) ±18kV (air), ±12kV (contact)
IEC 61000-4-5 (Lightning) 5A (8/20μs)
IEC 61000-4-4 (EFT) 40A (5/50ns)
Array of surge rated diodes with internal TVS Diode
Small package saves board space
Protects four I/O lines and one Vcc line
Low capacitance: 0.3pF typical (I/O to I/O)
Low clamping voltage
Low operating voltage: 5.0V
Solid-state silicon-avalanche technology
Mechanical Characteristics
JEDEC MSOP 10L package
Molding compound flammability rating: UL 94V-0
Marking : Marking code and date code
Packaging : Tape and Reel per EIA 481
Lead Finish: Matte Tin
RoHS/WEEE Compliant
Applications
High Definition Multi-Media Interface (HDMI)
Digital Visual Interface (DVI)
10/100/1000 Ethernet
Monitors and Flat Panel Displays
Notebook Computers
Set Top Box
Projection TV
Schematic & PIN Configuration
Pin 8
Line 1 1
Line 2
NC
NC
Pin 1
Pin 2
Pin 4
Pin 5
GND
Vcc
Pin 3
Line 3
Line 4
MSOP-10L (Top View)
NC
NC
Revision 01/19/2006
1
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