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.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BZA408B BZA408B,125 934055171125 SOT457 Order product
BZA408B BZA408B,115 934055171115 SOT457 Order product
BZA408B/A2 BZA408B/A2,115 934062831115 SOT457 Order product


  • 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, 2003111.00.521.92E911
BZA408BBZA408B,115BZA408Bweek 22, 2003111.00.521.92E911
Quality and reliability disclaimer

Documentation (7)

File nameTitleTypeDate
BZA408BQuadruple bidirectional ESD transient voltage suppressorData sheet1998-10-14
BZA408B_Nexperia_Product_QualityBZA408B Nexperia Product QualityQuality document2019-05-20
BZA408B_Nexperia_Product_ReliabilityBZA408B Nexperia Product ReliabilityQuality document2019-04-29
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


If you are in need of design/technical support, let us know and fill in the answer form, we'll get back to you shortly.


File nameTitleTypeDate
BZA408BBZA408B SPICE modelSPICE model2012-07-22

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BZA408BBZA408B,125934055171125Reel 7" Q3/T4, ReverseOrder product
BZA408BBZA408B,115934055171115Reel 7" Q1/T1Order product
BZA408B/A2BZA408B/A2,115934062831115Reel 7" Q1/T1Order product


As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store:

Sample orders normally take 2-4 days for delivery.

If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples.