Voltage regulator diodes

Low voltage regulator diodes in hermetically sealed SOD66 (DO-41) packages.

The series consists of 22 types with nominal working voltages from 3.3 to 24 V.


  • Total power dissipation: max. 1000 mW
  • Tolerance series: +-5pct
  • Working voltage range: nom. 3.3 to 24 V.
  • Small hermetically sealed glass package

Target applications

  • Low voltage stabilizers.


Type numberPackage versionPackage nameSize (mm)VZ [nom] (V)IZ (mA)Tolerance +/-VZ [min] (V)VZ [max] (V)IF [max] (mA)Ptot (mW)PZSM (W)Configuration
1N4729ASOD66DO-414.8 x 2.63.610.053.423.785001000NVsingle


Type numberPackageOutline versionReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
SOD66Ammopack, Axial, 52mmActiveStandard Marking1N4729A,133
( 9339 315 50133 )
Reel, Axial, 52mmActiveStandard Marking1N4729A,113
( 9339 315 50113 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
Quality and reliability disclaimer

Documentation (6)

File nameTitleTypeDate
1N4728A_SERVoltage regulator diodesData sheet2009-11-10
1N4729A_Nexperia_Product_Quality1N4729A Nexperia Product QualityQuality document2017-05-16
1N4729A_Nexperia_Product_Reliability1N4729A Nexperia Product ReliabilityQuality document2017-05-23
SOD66_133Ammo pack axial taped; standard product orientation 12NC ending 133Packing2012-11-07
SOD66_113Reel pack axial; standard product orientation 12NC ending 113Packing2012-11-07
SOD66glass, hermetically sealed glass package; 2 leads; 4.8 mm x 2.6 mm bodyOutline drawing2017-01-30


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.

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy from distributors
1N4729A1N4729A,133933931550133Ammopack, Axial, 52mmBuy online
1N4729A1N4729A,113933931550113Reel, Axial, 52mmBuy online


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.