Quadruple bidirectional ESD transient voltage suppressor

4-bit wide monolithic bidirectional ESD transient voltage suppressor in a small SOT457 (SC-74) Surface-Mounted Device (SMD) plastic package.


  • ESD rating >15 kV, according to IEC1000-4-2
  • Non-clamping range: -5 V to +5 V
  • Channel separation: >70 dB
  • Low reverse current: <100 nA
  • Low diode capacitance: <75 pF
  • AEC-Q101 qualified

Target applications

  • Computers and peripherals
  • Audio and video equipment
  • Communication systems
  • Portable electronics


Type numberPackage nameNo of protected linesConfigurationVRWM (V)VESD IEC61000-4-2 (kV)
BZA408BSC-74; TSOP64Bidirectional515


Type numberPackageOutline versionReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
SC-74; TSOP6
SOT457Reel 7" Q3/T4, ReverseActiveZ8BZA408B,125
( 9340 551 71125 )
Reel 7" Q1/T1ActiveZ8BZA408B,115
( 9340 551 71115 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
BZA408BBZA408B,125BZA408Bweek 22, 2003121.00.561.79E911
BZA408BBZA408B,115BZA408Bweek 22, 2003121.00.561.79E911
Quality and reliability disclaimer

Documentation (7)

File nameTitleTypeDate
BZA408BQuadruple bidirectional ESD transient voltage suppressorData sheet1998-10-14
BZA408B_NXP_Product_ReliabilityBZA408B NXP Product ReliabilityQuality document2015-01-31
BZA408B_Nexperia_Product_QualityBZA408B Nexperia Product QualityQuality document2017-05-16
BZA408BBZA408B SPICE modelSPICE model2012-07-22
SOT457_125Tape reel SMD; reversed product orientation 12NC ending 125Packing2012-11-30
SOT457_115TSOP6; Tape reel SMD; standard product orientation 12NC ending 115Packing2012-11-30
SOT457plastic, surface-mounted package (SC-74; TSOP6); 6 leadsOutline drawing2018-11-28


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File nameTitleTypeDate
BZA408BBZA408B SPICE modelSPICE model2012-07-22

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy from distributors
BZA408BBZA408B,125934055171125Reel 7" Q3/T4, ReverseBuy online
BZA408BBZA408B,115934055171115Reel 7" Q1/T1Buy online
BZA408B/A2BZA408B/A2,115934062831115Reel 7" Q1/T1Buy online


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Sample orders normally take 2-4 days for delivery.

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