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SR12

Semtech
Part Number SR12
Manufacturer Semtech
Description Low Capacitance TVS Diode Array
Published Dec 10, 2015
Detailed Description PROTECTION PRODUCTS Description RailClamps are surge rated diode arrays designed to protect high speed data interfaces. ...
Datasheet PDF File SR12 PDF File

SR12
SR12

Overview
PROTECTION PRODUCTS Description RailClamps are surge rated diode arrays designed to protect high speed data interfaces.
The SR12 has been specifically designed to protect sensitive components which are connected to data and transmission lines from overvoltages caused by ESD (electrostatic discharge), EFT (electrical fast transients), and lightning.
The unique design of the SR12 incorporates 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 components.
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.
SR12 RailClamp Low Capacitance TVS Diode Array Features ‹ 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) 0.
5kV, 12A (8/20µs) ‹ Array of surge rated diodes with internal TVS Diode ‹ Protects two I/O lines ‹ Operating Voltage: 12 volts ‹ Low capacitance (5pF typical) for high-speed interfaces ‹ Low clamping voltage ‹ Solid-state silicon-avalanche technology Mechanical Characteristics ‹ JEDEC SOT-143 package ‹ UL 497B listed ‹ Molding compound flammability rating: UL 94V-0 ‹ Marking : R12 ‹ Packaging : Tape and Reel per EIA 481 ‹ RoHS/WEEE Compliant Applications ‹ ADSL ‹ Industrial Electronics ‹ RS-422 Interfaces ‹ Portable Electronics ‹ Microcontroller Input Protection ‹ WAN/LAN Equipment Circuit Diagram Pin 4 Pin 2 Pin 3 Schematic & PIN Configuration 4 1 Revision 04/11/05 Pin 1 23 SOT-143 (Top View) 1 www.
semtech.
com SR12 PROTECTION PRODUCTS Absolute Maximum Rating Rating Peak Pulse Power (tp = 8/20µs) Peak Pulse Current (tp = 8/20µs) Peak Forward...


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