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SR05 Datasheet(PDF) 1 Page - Semtech Corporation

Part No. SR05
Description  RailClamp Low Capacitance TVS Diode Array
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Maker  SEMTECH [Semtech Corporation]
Homepage  http://www.semtech.com
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SR05 Datasheet(HTML) 1 Page - Semtech Corporation

   
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PROTECTION PRODUCTS
SR05
RailClamp
Low Capacitance TVS Diode Array
Description
Features
Circuit Diagram
Schematic & PIN Configuration
Revision 9/2000
RailClamps are surge rated diode arrays designed to
protect high speed data interfaces. The SR series has
been specifically designed to protect sensitive compo-
nents which are connected to data and transmission
lines from overvoltage caused by ESD (electrostatic
discharge), EFT (electrical fast transients), and light-
ning.
The unique design of the SR series devices incorpo-
rates four surge rated, low capacitance steering diodes
and a TVS diode in a single package. During transient
conditions, the steering diodes direct the transient to
either the positive side of the power supply line or to
ground. The internal TVS diode prevents over-voltage
on the power line, protecting any downstream compo-
nents.
The low capacitance array configuration allows the user
to protect two high-speed data or transmission lines.
The low inductance construction minimizes voltage
overshoot during high current surges.
Applications
Mechanical Characteristics
! USB Power & Data Line Protection
! Ethernet 10BaseT
! I2C Bus Protection
! Video Line Protection
! T1/E1 secondary IC Side Protection
! Portable Electronics
! Microcontroller Input Protection
! WAN/LAN Equipment
! ISDN S/T Interface
! ESD protection to IEC 61000-4-2, Level 4
! Array of surge rated diodes with internal TVS Diode
! Protects two I/O lines
! Low capacitance (<10pF) for high-speed interfaces
! Low clamping voltage
! Low operating voltage: 5.0V
! Solid-state silicon-avalanche technology
! JEDEC SOT-143 package
! UL 497B listed
! Molding compound flammability rating: UL 94V-0
! Marking : R05
! Packaging : Tape and Reel per EIA 481
Pin 4
Pin 2
Pin 3
Pin 1
SOT-143 (Top View)
1
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