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Quadruple bidirectional ESD transient voltage suppressor

4-bit wide monolithic bidirectional ESD transient voltage suppressor in a six lead SOT457 (SC-74) 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

Features and benefits

  • ESD rating > 15 kV, according to IEC1000-4-2
  • SOT457 surface mount package
  • Non-clamping range: -5 V to +5 V
  • Channel separation: > 70 dB
  • Low reverse current: < 100 nA
  • Low diode capacitance: < 75 pF


Protection of equipment, connected to data and transmission lines, against voltage surges caused by electrostatic discharge e.g:

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


Type numberPackage versionPackage nameSize (mm)ConfigurationNr 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
Reel 7" Q3/T4, Reverse
( 9340 551 71115 )
ActiveZ8Reel 7” Q1/T1 or Q2/T3

Environmental information

Type numberOrderable part numberChemical contentRoHSRHF-indicator
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 document2022-03-21
BZA408BBZA408B SPICE modelSPICE model2012-07-22
BZA408BBZA408B SPICE modelSPICE model2022-10-24
REFLOW_BG-BD-1Reflow soldering profileReflow soldering2021-04-06
WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08


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
BZA408BBZA408B SPICE modelSPICE model2022-10-24

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingPacking quantityBuy online
BZA408BBZA408B,125934055171125Reel 7" Q3/T4, Reverse- Order product
BZA408BBZA408B,115934055171115Reel 7” Q1/T1 or Q2/T3- Order product


As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store: https://extranet.nexperia.com.

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.