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Semtech TClamp1202P

Semtech TClamp1202P

Low Capacitance TClamp® Surge Protection for 12V Interfaces

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TClamp®1202P provides dedicated surge and ESD protection for RS-485 and other 12V lines in industrial applications. It features high surge current capability of 100A (tp=8/20us) and low clamping voltage making them ideal for use in harsh transient environments.


  • Transient protection for high-speed data lines to
  • IEC 61000-4-2 (ESD) 20kV (air), 15kV (contact)
  • IEC 61000-4-4 (EFT) 40A (5/50ns)
  • IEC 61000-4-5 (Lightning) 100A (8/20μs)
  • Array of surge rated diodes with internal TVS Diode
  • Protects up to two lines
  • Low capacitance: (<12pF)
  • Operating voltage: 12V
  • Low leakage current
  • Solid-state silicon-avalanche technology


  • RS-485 Surge Protection
  • RS-422 Surge Protection
  • Industrial Equipment
  • Remote Meter Readers
  • Automatic Teller Machines
  • Digital Surveillance Cameras
  • CAN-bus


  • SLP2020P5

Order Codes

  • TClamp1202P.TGT - Pb-Free, Halogen Free, RoHS/WEEE Compliant
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