Littelfuse SM712 600W Asymmetrical TVS Diode Array

Littelfuse SM712 600W Asymmetrical TVS Diode Array is designed to protect RS-485 applications with asymmetrical working voltages (-7V to 12V) from damage due to electrostatic discharge (ESD), lightning-induced surges, and electrical fast transients (EFT). The SM712 absorbs repetitive ESD strikes above the maximum level specified in the IEC61000-4-2 international standards without performance degradation. It safely dissipates up to 19A of 8/20us induced surge current (IEC-61000-4-5) with very low clamping voltages. Littelfuse SM712 600W Asymmetrical TVS Diode Array is AEC-Q101 qualified, lead free, and RoHS compliant.

eBook

Littelfuse SM712 600W Asymmetrical TVS Diode Array

Features

  • ESD, IEC61000-4-2, ±30kV contact, ±30kV air
  • EFT, IEC61000-4-4, 50A (5/50ns)
  • Lightning, IEC61000-4-5, 19A (tp=8/20µs)
  • -7V to 12V working voltages
  • Low clamping voltage
  • Low leakage current
  • Moisture Sensitivity Level (MSL) 1
  • AEC-Q101 qualified
  • Lead free
  • RoHS compliant

Applications

  • RS-485
  • Fieldbus
  • Modbus
  • Profibus
  • DMX512
  • Security systems
  • Automated teller machines (ATMs)
  • Automation equipment
  • Communication equipment

Pinout/Functional Block Diagram

Littelfuse SM712 600W Asymmetrical TVS Diode Array
Paskelbta: 2015-10-14 | Atnaujinta: 2022-03-11