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Connectivity SIDACtor® Protection Thyristors

Solid state SIDACtor® protection thyristors protect telecommunications equipment, data cables, and switching devices from transient voltage surges. Since the silicon diodes for alternating current get used in many ways, Littelfuse makes what we call connectivity SIDACtors optimized for specific applications. For outdoor equipment prone to lightning strikes, we offer high-exposure surge protection thyristors. We also produce more sensitive surge protective devices designed for use with subscriber line interface circuits (SLICs), line circuit access switches (LCASs), and broadband relays.
  • Wide range of Vdrm T-R ratings up to 600 V
  • Wide range of Vs T-R ratings up to 700 V
  • Off-state capacitance ratings generally below 50 pF
  • Bidirectional
  • Meet international standards, including TIA-968, ITU K.20/21, GR 1089 Inter-building, GR 1089 Intra-building, IEC 61000-4-5, and YD/T 1082
  • Lead-free and RoHS compliant
  • Small footprints
  • Voltage surges withing rated capacity will not degrade a device’s performance
  • Most version fail as short circuits when voltage surges exceed the device’s capacity

Connectivity SIDACtor® Protection Thyristors Parts

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Connectivity SIDACtor® Protection Thyristors Applications

Highlights Section

  • Baseband equipment
  • Broadband equipment
  • Line cards
  • Modems
  • Phones
  • VOIP

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