Single high-speed switching diode

Single high-speed switching diode, encapsulated in a SOD323F (SC-90) very small and flat lead Surface-Mounted Device (SMD) plastic package.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BAS21J BAS21JZ 934060933301 SOD323F Order product
BAS21J BAS21J,115 934060933115 SOD323F Order product
BAS21J BAS21JF 934060933135 SOD323F Order product
BAS21J/DG BAS21J/DG,115 934062288115 SOD323F Order product


  • High switching speed: trr ≤ 50 ns
  • Low capacitance: Cd ≤2 pF
  • Low leakage current
  • Reverse voltage: VR ≤ 300 V
  • Repetitive peak reverse voltage: VRRM ≤ 300 V
  • Very small and flat lead SMD plastic package
  • Excellent coplanarity and improved thermal behavior
  • AEC-Q101 qualified

Target applications

  • High-speed switching
  • Voltage clamping
  • General-purpose switching
  • Reverse polarity protection


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)
BAS21JSOD323FSC-901.7 x 1.25 x 0.730031100@IF=100mA150@VR=250V1000single502502


Type numberPackageOutline versionReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
SOD323FMulti-reel 11" T1/Q1 SMD Pitch 4mmSamples available / DevelopmentANBAS21JZ
( 9340 609 33301 )
Reel 7" Q1/T1ActiveANBAS21J,115
( 9340 609 33115 )
Reel 11¼" Q1/T1 in LargePackActiveANBAS21JF
( 9340 609 33135 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
BAS21JBAS21J,115BAS21JAlways Pb-free358.01.666.02E811
Quality and reliability disclaimer

Documentation (6)

File nameTitleTypeDate
BAS21JSingle high-speed switching diodeData sheet2007-03-07
LSYMDIO-Design support1999-04-30
BAS21J_Nexperia_Product_ReliabilityBAS21J Nexperia Product ReliabilityQuality document2019-04-29
BAS21JBAS21J SPICE modelSPICE model2012-07-22
SOD323F_115Tape reel; standard product orientation 12NC ending 115Packing2012-11-07
SOD323Fplastic, surface-mounted package; 2 leads; 1.7 mm x 1.25 mm x 0.7 mm bodyOutline drawing2018-04-09


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
BAS21JBAS21J SPICE modelSPICE model2012-07-22

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BAS21JBAS21JZ934060933301Multi-reel 11" T1/Q1 SMD Pitch 4mmOrder product
BAS21JBAS21J,115934060933115Reel 7" Q1/T1Order product
BAS21JBAS21JF934060933135Reel 11¼" Q1/T1 in LargePackOrder product
BAS21J/DGBAS21J/DG,115934062288115Reel 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.