Unidirectional ESD protection for transient voltage suppression

Unidirectional ElectroStatic Discharge (ESD) protection diodes in a very small Surface-Mounted Device (SMD) plastic package designed to protect one signal line from the damage caused by ESD and transient overvoltage.

Features and benefits

  • Transient Voltage Suppression (TVS) protection of one line
  • ESD protection up to 30 kV
  • Max. peak pulse power: PPP = 890 W
  • IEC 61000-4-2; level 4 (ESD)
  • Low clamping voltage: VCL = 19 V
  • IEC 61000-4-5 (surge); IPP = 47 A
  • Low leakage current: IRM = 300 nA
  • AEC-Q101 qualified


  • Computers and peripherals
  • Communication systems
  • Audio and video equipment
  • Portable electronics
  • Cellular handsets and accessories
  • Medical and industrial equipment


Type numberPackage versionPackage nameSize (mm)Configuration# of linesVRWM (V)Cd [typ] (pF)IPPM [max] (A)VESD (kV)
PESD12VS1UASOD323SOD3231.7 x 1.25 x 0.95Unidirectional11216022.530
PESD5V0S1UASOD323SOD3231.7 x 1.25 x 0.95Unidirectional154804730


Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))

Reel 13” or 11 ¼” Q1/T1 ActiveAWPESD12VS1UAF
( 9340 621 03135 )
Reel 7” Q1/T1 or Q2/T3ActiveAWPESD12VS1UA,115
( 9340 621 03115 )

Reel 13” or 11 ¼” Q1/T1 ActiveAVPESD5V0S1UAF
( 9340 621 02135 )
Reel 7” Q1/T1 or Q2/T3ActiveAVPESD5V0S1UA,115
( 9340 621 02115 )

Discontinuation information

Type numberOrderable part number, (Ordering code (12NC))Last time buy dateLast time delivery dateReplacement productStatusComments

      Quality, reliability & chemical content

      Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateMSLMSL leadfree
      PESD12VS1UAPESD12VS1UAFPESD12VS1UAweek 25, 201911
      PESD12VS1UAPESD12VS1UA,115PESD12VS1UAAlways Pb-free11
      PESD5V0S1UAPESD5V0S1UAFPESD5V0S1UAweek 25, 201911
      PESD5V0S1UAPESD5V0S1UA,115PESD5V0S1UAAlways Pb-free11
      Quality and reliability disclaimer

      Documentation (3)

      File nameTitleTypeDate
      SOD323plastic, surface-mounted package; 2 leads; 1.3 mm pitch; 1.7 mm x 1.25 mm x 0.95 mm bodyPackage information2020-04-21
      REFLOW_BG-BD-1Reflow soldering profileReflow soldering2021-04-06
      WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08


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