NS6A28AFT3G - NS6AxxAF Series

Series: NS6AxxAF
Obsolete: 2018 -06-30 Replaced By: SMA6L28A
Questions? Contact Littelfuse Support
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This series will be End of Life (EOL) on December 31, 2017 and is not recommended for new designs. Replacement will be the SMA6L series.

The NS6AxxAF is designed to protect voltage sensitive components from high voltgage, high energy transients. This device had excellent clamping capability, high surge capability, low zener impendance and fast response time. The NS6AxxAF is ideally suited for use in computer hard disk drives, communication systems, automotive, numerical controls, process controls, medical equipments, business machines, power supplies and many other industrial/consumer applications.


  • Peak Reverse Working Voltage of 5 V
  • Peak Pulse Power of 500 W (10 x 1000 µsec)
  • ESD Rating of Class 3 (>16 kV) per Human Body Model
  • ESD Rating of Class 4 (>8 kV) IEC 6100042
  • Fast Response Time


  • Transient Voltage Suppression

End Products:

  • Communications Systems
  • Automobiles
  • Power Supplies
To request product environmental information, please complete the Product Environmental Information Request Form.