SD Series Series - SD Series 450W Discrete Unidirectional TVS Diode - Qualified to AEC-Q101

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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.

The Unidirectional SD series is designed for use in electronic equipment for low speed and DC applications. It will protect any sensitive equipment from damage due to electrostatic discharge (ESD) and other transient events.

The SD series can safely absorb repetitive ESD strikes at ±30kV (contact discharge, IEC 61000-4-2) without performance degradation and safely dissipate 30A (SD05) of 8/20μs induced surge current (IEC61000-4-5 2nd edition) with very low clamping voltages.

Features & Benefits:

  • ESD, IEC 61000-4-2, ±30kV contact, ±30kV air
  • EFT, IEC 61000-4-4, 40A (5/50ns)
  • Lightning, 30A (8/20μs as defined in IEC 61000-4-5 2nd edition) SD05
  • Low clamping voltage
  • Low leakage current
  • Small SOD323 package fits 0805 footprints
  • AEC-Q101 qualified
  • RoHS Compliant and Lead Free
  • Moisture Sensitivity Level


  • Switches / Buttons
  • Test Equipment / Instrumentation
  • Point-of-Sale Terminals
  • Medical Equipment
  • Notebooks / Desktops / Servers
  • Computer Peripherals
  • Automotive Electronics

Access specifications, certifications, check availability and order parts below

Catalog #AEC-Q101 QualifiedStandoff
ESD Contact
PolarityChannelsMIN VBR@IT
PackagePartner ECAD ModelsStockSamplesCompare
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
SD05-01FTG 1 Ch 30KV 5V TVS Diode Array SOD323 RoHS No 07/16/2013 PbFree No 07/16/2013 CoC_RoHS10_SD05-01FTG REACH219_Declaration_SD05-01FTG Yes
Does not Contain
SD12-01FTG 1 Ch 30KV 12V TVS Diode Array SOD323 RoHS No 07/06/2015 PbFree No 07/06/2015 CoC_RoHS10_SD12-01FTG REACH_SVHC Declaration_SD12-01FTG Yes
Does not Contain
SD15-01FTG 1 Ch 30KV 15V TVS Diode Array SOD323 RoHS No 07/06/2015 PbFree No 07/06/2015 CoC_RoHS10_SD15-01FTG REACH219_Declaration_SD15-01FTG Yes
Does not Contain IPC_SD15-01FTG_EF
SD24-01FTG 1 Ch 30KV 24V TVS Diode Array SOD323 RoHS No 07/06/2015 PbFree No 07/06/2015 CoC_RoHS10_SD24-01FTG REACH_SVHC Declaration_SD24-01FTG.pdf Yes
Does not Contain
SD36-01FTG 1 Ch 30KV 36V TVS Diode Array SOD323 RoHS No 07/06/2015 PbFree No 07/06/2015 CoC_RoHS10_SD36-01FTG Yes
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