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SRDA05-4.TE Datasheet(PDF) 1 Page - Semtech Corporation |
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SRDA05-4.TE Datasheet(HTML) 1 Page - Semtech Corporation |
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1 / 10 page  PROTECTION PRODUCTS 1 www.semtech.com PROTECTION PRODUCTS SRDA3.3-4 THRU SRDA12-4 RailClampÒ 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 SRDA series devices incorpo- rates 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 u USB Power & Data Line Protection u T1/E1 secondary IC Side Protection u T3/E3 secondary IC Side Protection u HDSL, IDSL secondary IC Side Protection u Video Line Protection u Microcontroller Input Protection u Base stations u I2C Bus Protection u 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) u Array of surge rated diodes with internal TVS diode u Protects four I/O lines & power supply line u Low capacitance (<15pF) for high-speed interfaces u Low operating & clamping voltages u Solid-state technology u JEDEC SO-8 package u UL 497B listed u Molding compound flammability rating: UL 94V-0 u Marking : Part number, date code, logo u Packaging : Tube or Tape and Reel per EIA 481 I/O I/O REF 2 REF 2 I/O I/O REF 1 REF 1 1 2 3 45 6 7 8 S0-8 (Top View) REF1 I/O 1 I/O 2 I/O 3 I/O 4 REF2 |
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