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Voltage regulator diodes

General-purpose Zener diodes in an SOT323 (SC70) leadless very small Surface-Mounted Device (SMD) plastic package.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BZX84W-B20 BZX84W-B20F 934660402135 SOT323 Order product
BZX84W-B20 BZX84W-B20X 934660402115 SOT323 Order product

Features and benefits

  • Wide working voltage range: nominal 2.4 V to 75 V (E24 range)
  • Two tolerance series: ±2 % and ±5 %
  • AEC-Q101 qualified


  • General regulation functions
  • High-frequency applications


Type numberPackage versionPackage nameSize (mm)VZ [nom] (V)IZ (mA)Tolerance +/-VZ [max] (V)IF [max] (mA)VZ [min] (V)Ptot (mW)PZSM (W)Configuration
BZX84W-B20SOT323SC-702 x 1.25 x 0.952052%20.420019.627540single


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
( 9346 604 02135 )
SOT323Reel 13” or 11 ¼” Q1/T1
( 9346 604 02115 )
ActiveJ8%Reel 7” Q1/T1 or Q2/T3

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFMSLMSL leadfree
Quality and reliability disclaimer

Documentation (4)

File nameTitleTypeDate
BZX84W_SERVoltage regulator diodesData sheet2018-06-13
BZX84W-B20_Nexperia_Product_QualityBZX84W-B20 Nexperia Product QualityQuality document2019-05-20
BZX84W-B20_Nexperia_Product_ReliabilityBZX84W-B20 Nexperia Product ReliabilityQuality document2021-03-19
BZX84W-B20BZX84W-B20 Spice modelSPICE model2018-07-18


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
BZX84W-B20BZX84W-B20 Spice modelSPICE model2018-07-18

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BZX84W-B20BZX84W-B20F934660402135Reel 13” or 11 ¼” Q1/T1 Order product
BZX84W-B20BZX84W-B20X934660402115Reel 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.