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TC04A-200TD Scheda tecnica(PDF) 1 Page - Semtech Corporation |
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TC04A-200TD Scheda tecnica(HTML) 1 Page - Semtech Corporation |
1 / 8 page PRELIMINARY 1 www.semtech.com PROTECTION PRODUCTS TC04A-200 Battery Tracking TransClamp For SLIC Linecard Protection Description Features Circuit Diagram (Each Line) Schematic & PIN Configuration Revision 9/2000 The battery tracking TransClamp series of transient voltage suppressors (TVS) are designed to protect subscriber line interface circuit (SLIC) from transient voltages resulting from lightning strikes and AC power line disturbances. The TC04A-200 integrates all the components necessary to protect SLIC ICs from line to ground for positive and negative transients. For negative transient events, the TVS thyristor will crowbar or fire when the line voltage exceeds the gate reference voltage. The gate voltage is referenced to the battery voltage ( -V BAT ) plus the VF of the series rectifier. The device firing voltage range is -5V to -100V. For positive transients, the surge-rated rectifi- ers will be forward biased, shunting the current to ground. An external capacitor is used to aid in gate triggering during fast rise time transients. The device may be used to protect any SLIC including those with integrated ring generators. These devices are designed to meet industry standard transient immunity requirements such as Bellcore TR- NWT-001089, FCC Part 68, ITU K17-K20, and IEC 61000-4-5. The integrated design saves board space and increases equipment reliability by replacing mul- tiple discrete components. Applications Mechanical Characteristics u Subscriber Line Interface Circuit (SLIC) Protection u Central Office Equipment u ISDN Terminal Adaptors u Cable Telephony u Small Office Home Office (SOHO) Applications u Wireless Local Loop (WLL) u Fibre In The Loop (FITL) u Transient protection for telecommunications lines to Bellcore 1089 (long haul), VDE 0433, ITU K20 IEC 61000-4-5 (Lightning), and FCC Part 68 u High surge current rating (100A, tp = 10/1000µs) u Protects up to four Tip & Ring line pairs u Gate firing voltage is referenced to the system battery voltage u Wide firing voltage range: -5V to -100V u High holding current: 200mA u Replaces multiple discrete components u Solid-state TVS process technology u JEDEC SO-16 WB package 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 SO-16 WB Top View 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 GND -VBat Line Line |
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