General purpose diodes

The BAV20 and BAV21 are switching diodes fabricated in planar technology, and encapsulated in hermetically sealed leaded glass SOD27 (DO-35) packages.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BAV21 BAV21,113 933189210113 SOD27 Order product
BAV21 BAV21,143 933189210143 SOD27 Order product
BAV21 BAV21,133 933189210133 SOD27 Order product
BAV21/G BAV21/G,133 934059078133 SOD27 Order product
BAV21/N BAV21/N,133 934059445133 SOD27 Order product
BAV21/N BAV21/N,113 934059445113 SOD27 Order product


  • Hermetically sealed leaded glass SOD27 (DO-35) package
  • Switching speed: max. 50 ns
  • General application
  • Continuous reverse voltage: max. 150 V, 200 V
  • Repetitive peak reverse voltage: max. 200 V, 250 V
  • Repetitive peak forward current: max. 625 mA.

Target applications

  • General purposes in industrial equipment e.g. oscilloscopes, digital voltmeters and video output stages in colour television.


Type numberPackage versionPackage nameSize (mm)VR [max] (V)IFSM [max] (A)VF [max] (mV)IR [max] (nA)IFRM (mA)Configurationtrr [max] (ns)IF [max] (mA)Cd [max] (pF)
BAV21SOD27ALF24.25 x 1.8520091000@IF=100mA100@VR=200V625single502505


Type numberPackageOutline versionReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
SOD27Reel, Axial, 52mmActiveStandard MarkingBAV21,113
( 9331 892 10113 )
Ammopack, Axial, 26mmActiveStandard MarkingBAV21,143
( 9331 892 10143 )
Ammopack, Axial, 52mmActiveStandard MarkingBAV21,133
( 9331 892 10133 )

Quality, reliability & chemical content

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

Documentation (9)

File nameTitleTypeDate
BAV20General purpose diodesData sheet2009-12-09
LSYMDIO-Design support1999-04-30
BAV21_Nexperia_Product_QualityBAV21 Nexperia Product QualityQuality document2019-05-20
BAV21_Nexperia_Product_ReliabilityBAV21 Nexperia Product ReliabilityQuality document2017-05-23
BAV21BAV21 SPICE modelSPICE model2012-07-22
SOD27_133Ammo pack axial taped; standard product orientation 12NC ending 133Packing2012-11-07
SOD27_143Ammo pack axial taped; standard product orientation 12NC ending 143Packing2012-11-07
SOD27_113Reel pack axial; standard product orientation 12NC ending 113Packing2012-11-07
SOD27glass, hermetically sealed glass package; axial leaded; 2 leads; 4.25 mm x 1.85 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.


File nameTitleTypeDate
LSYMDIO-Design support1999-04-30
BAV21BAV21 SPICE modelSPICE model2012-07-22

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BAV21BAV21,113933189210113Reel, Axial, 52mmOrder product
BAV21BAV21,143933189210143Ammopack, Axial, 26mmOrder product
BAV21BAV21,133933189210133Ammopack, Axial, 52mmOrder product
BAV21/GBAV21/G,133934059078133Ammopack, Axial, 52mmOrder product
BAV21/NBAV21/N,133934059445133Ammopack, Axial, 52mmOrder product
BAV21/NBAV21/N,113934059445113Reel, Axial, 52mmOrder product


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Sample orders normally take 2-4 days for delivery.

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