NSA5_0AT3G Series - 400 Watt, 5.0 V Unidirectional Transient Voltage Suppressor, SMA

Series: NSA5_0AT3G
Availability: Phase Out/Obsolete

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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

This series will be End of Life (EOL) on December 31, 2017 and is not recommended for new designs. Replacement will be the SMAJ series.

The NSA5.0AT3G is designed to protect voltage senesitive components from high voltage, high energy transitions. This device has excellent clamping capability and high surge capability, low zener impedance and fast response time. The NSA5.0AT3G is ideally suited for use in computer hard disk drives, communication systems, automotive, numberical controls, process controls, medical equipment, business machines, power supplies and many other industrial/consumer applications.


  • Low Profile Package
  • Package Design for Top Side or Bottom Circuit Board Mounting
  • Available in Tape and Reel
  • Pico Seconds Response Time (0 V to BV)
  • Peak Power -- 400 Watts @ 1.0 ms
  • ESD Rating of Class 3 (>16 kV) per Human Body Model
  • Cathode indicated by molded polarity notch

Access specifications, certifications, check availability and order parts below

Catalog #PolaritySamples
Obsolete: 2018 -06-30
Replaced By: SMAJ5.0A
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
NSA5.0AT3G SMA TVS 400W 5V RoHS No 07/19/2017 PbFree No 07/19/2017 Yes
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