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BZA408B Automotive Qualified

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

Features and benefits

  • 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


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


Type numberPackage versionPackage nameSize (mm)Configuration# of linesVRWM (V)Cd [typ] (pF)IPPM [max] (A)VESD (kV)
BZA408BSOT457SC-74; TSOP62.9 x 1.5 x 1Bidirectional45--15

(-) dash denotes: "Parameter value not specified for this product"


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
( 9340 551 71125 )
SC-74; TSOP6
SOT457Reel 7" Q3/T4, Reverse
( 9340 551 71115 )
ActiveZ8Reel 7” Q1/T1 or Q2/T3

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFEFRIFRMTBF (hour)MSLMSL leadfree
Quality and reliability disclaimer

Documentation (4)

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 Reliability Quality documentQuality document2020-03-11
BZA408BBZA408B SPICE modelSPICE model2012-07-22


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/T1 or Q2/T3Order product
BZA408B/A2BZA408B/A2,115934062831115Reel 7” Q1/T1 or Q2/T3Order 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.