ESD 保护器件
Semtech SMDA12

Semtech SMDA12

4线300 W 12 V 单向TVS阵列保护


The SMDAxx series of TVS arrays are designed to provide undirectional protection for sensitive electronics from damage or latch-up due to ESD, lightning, and other voltage-induced transient events.


  • Working voltage: 12 V
  • Transient protection for data lines to
    • IEC 61000-4-2 (ESD) ± 15 kV (air), ± 8 kV (contact)
    • IEC 61000-4-4 (EFT) 40 A (5/50 ns)
    • IEC 61000-4-5 (Lightning) 12 A (8/20 µs)
  • Undirectional protection
  • Small SO-8 package
  • Protects four I/O lines
  • Low leakage current
  • Low operating and clamping voltages
  • Solid-state silicon-avalanche technology


  • RS-232 data lines
  • Microprocessor-based equipment
  • Notebooks, desktops, and servers
  • Instrumentation
  • LAN/WAN equipment
  • Peripherals
  • Serial and parallel ports



Order Codes

  • SMDA12.TBT: Lead-free, RoHS and WEEE compliant, 500 pcs. Tape & Reel
- Close -
Add Product to Watch List

Please login to the mySemtech member site to add products to your personal Watch List.

If you're not registered for mySemtech, please Register now. mySemtech member benefits include pre-filled forms for quick and easy online ordering, technical support, new product information and more.