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SRDA70-4 Datasheet(PDF) 1 Page - Semtech Corporation |
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SRDA70-4 Datasheet(HTML) 1 Page - Semtech Corporation |
1 / 6 page PROTECTION PRODUCTS 1 www.semtech.com PROTECTION PRODUCTS SRDA70-4 RailClampÒ Low Capacitance TVS Diode Array 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) 1kV, 24A (8/20µs) u Array of surge rated diodes u Protects four I/O lines u Low capacitance for high-speed interfaces u High surge capability u Low forward voltage characteristics u Solid-state silicon avalanche technology Description Features Circuit Diagram Schematic & PIN Configuration Revision 9/2000 Applications Mechanical Characteristics REF 1 I/O 1 I/O 2 I/O 3 I/O 4 REF 2 I/O 1 I/O 2 REF 1 REF 1 REF 2 REF 2 I/O 3 I/O 4 SO-8 (Top View) RailClamps are surge rated diode arrays designed to protect high speed data interfaces. The SRDA70-4 has been specifically designed to protect sensitive compo- nents which are connected to data and transmission lines from over-voltages caused by ESD (electrostatic discharge), EFT (electrical fast transients), and light- ning. The unique design of the SRDA70-4 integrates eight surge rated, low capacitance steering diodes in a low profile SO-8 package. During transient conditions, the steering diodes direct the transient to either the positive side of the power supply line or to ground. The SRDA70-4 may be used as a stand alone device or in conjunction with TVS diodes for enhanced protection. The low capacitance array configuration allows the user to protect four high speed data or I/O lines. The low inductance construction minimizes voltage overshoot during high current surges. 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 u Latch-Up Protection u Microcontroller Input Protection u Token Ring u I2C Bus Protection u Video Line Protection u Set Top Box I/O u LAN/WAN Equipment |
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