Low-Voltage ESD Protection
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  • RClamp2504N
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  • RailClamp® 2.5V TVS Array
  • RClamp3304N
  • RailClamp® Low-Capacitance TVS Array
  • RClamp3304P
  • RailClamp® 3.3V TVS Array
  • SLVU2.8
  • Low-Voltage EPD TVS Diode for ESD and Latch-Up Protection
  • SLVU2.8-4
  • EPD TVS Diode Array for ESD and Latch-Up Protection
Semtech UClamp3312T

Semtech UClamp3312T

Low Voltage μClamp® for Gigabit Ethernet

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The μClamp®3312T TVS diode is specifically designed to meet the performance requirements of Gigabit Ethernet interfaces. They are designed to protect sensitive PHY chips from damage or upset due to electrostatic discharge (ESD), lightning, electrical fast transients (EFT), and cable discharge events (CDE).


  • High ESD withstand Voltage: +/-30kV (Contact/Air) per IEC 61000-4-2
  • Able to withstand over 1000 ESD strikes per IEC 61000-4-2 Level 4
  • Flow-through design simplifies layout
  • Protects two line pairs
  • Low reverse current: 10nA typical (VR=3.3V)
  • Low variation in capacitance vs. bias voltage: 1.3pF Typical (VR = 0 to 3.3V)
  • Working voltage: 3.3V
  • Solid-state silicon-avalanche technology


  • 10/100/1000 Ethernet
  • Integrated magnetics/RJ-45 connectors
  • LAN/WAN Equipment
  • Security Cameras
  • Industrial Controls
  • Notebooks & Desktop Computers


  • SLP2010N8T

Order Codes

  • uClamp3312T.TCT - Lead-free, Pb-Free, Halogen Free, RoHS/WEEE Compliant
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