Register once, drag and drop ECAD models into your CAD tool and speed up your design.

Click here for more information

BAS321 Automotive Qualified

General purpose diode

General purpose diode fabricated in planar technology and encapsulated in a very small plastic SOD323 (SC76) package.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BAS321 BAS321,115 934055352115 SOD323 Order product
BAS321 BAS321Z 934055352145 SOD323 Order product
BAS321 BAS321,135 934055352135 SOD323 Order product
BAS321/A BAS321/A,115 934059886115 SOD323 Order product
BAS321/A2 BAS321/A2,115 934062923115 SOD323 Order product


  • Small plastic SMD package
  • Switching speed: max. 50 ns
  • General application
  • Continuous reverse voltage: max. 200 V
  • Repetitive peak reverse voltage: max. 250 V
  • Repetitive peak forward current: max. 625 mA
  • AEC-Q101 qualified

Target applications

  • General purpose switching in surface mounted circuits


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)
BAS321SOD323SOD3231.7 x 1.25 x 0.9520091000@IF=100mA100@VR=200V625single502502


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
( 9340 553 52115 )

SOD323Reel 7" Q1/T1
( 9340 553 52145 )
ActiveA7Reel 7" Q1/T1 in Multi reel pack
( 9340 553 52135 )
ActiveA7Reel 11¼" Q1/T1 in LargePack

Quality, reliability & chemical content

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

Documentation (5)

File nameTitleTypeDate
BAS321General purpose diodeData sheet2019-06-18
LSYMDIOLetter Symbols - Diodes GeneralDesign support1999-04-30
BAS321_Nexperia_Product_QualityBAS321 Nexperia Product QualityQuality document2019-05-20
BAS321_Nexperia_Product_ReliabilityBAS321 Nexperia Product Reliability Quality documentQuality document2020-03-11
BAS321BAS321 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
LSYMDIOLetter Symbols - Diodes GeneralDesign support1999-04-30
BAS321BAS321 SPICE modelSPICE model2012-07-22

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BAS321BAS321,115934055352115Reel 7" Q1/T1Order product
BAS321BAS321Z934055352145Reel 7" Q1/T1 in Multi reel packOrder product
BAS321BAS321,135934055352135Reel 11¼" Q1/T1 in LargePackOrder product
BAS321/ABAS321/A,115934059886115Reel 7" Q1/T1Order product
BAS321/A2BAS321/A2,115934062923115Reel 7" Q1/T1Order 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.