General-purpose Schottky diode

General-purpose Schottky diode in a small SOT23 Surface-Mounted Device (SMD) plastic package.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BAS40 BAS40,215 934034530215 SOT23 Order product
BAS40 BAS40,235 934034530235 SOT23 Order product
BAS40 BAS40,185 934034530185 SOT23 Order product
BAS40/A2 BAS40/A2,215 934063011215 SOT23 Order product
BAS40/DG BAS40/DG,215 934061869215 SOT23 Order product
BAS40/G BAS40/G,215 934058337215 SOT23 Order product


  • High switching speed
  • Low leakage current
  • High breakdown voltage
  • Low capacitance
  • AEC-Q101 qualified

Target applications

  • Ultra high-speed switching
  • Voltage clamping


Type numberPackage versionPackage nameSize (mm)VR [max] (V)IF [max] (mA)IFSM [max] (A)ConfigurationVF [max] (mV)Cd [max] (pF)IR [max] (mA)IR [max] (µA)
BAS40SOT23SOT232.9 x 1.3 x 1401200.2single500@IF=10mA5@VR=0V0.01@VR=40V1@VR=30V


Type numberPackageOutline versionReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))

SOT23Reel 7" Q3/T4Active43%BAS40,215
( 9340 345 30215 )
Reel 11" Q3/T4, LargePackActive43%BAS40,235
( 9340 345 30235 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
BAS40BAS40,215BAS40week 34, 2003208.00.971.03E911
BAS40BAS40,235BAS40week 34, 2003208.00.971.03E911
Quality and reliability disclaimer

Documentation (8)

File nameTitleTypeDate
BAS40_1PSXXSB4X_SERGeneral-purpose Schottky diodesData sheet2017-06-08
BAS40_Nexperia_Product_QualityBAS40 Nexperia Product QualityQuality document2019-05-20
BAS40_Nexperia_Product_ReliabilityBAS40 Nexperia Product ReliabilityQuality document2019-04-29
BAS40BAS40 SPICE modelSPICE model2012-06-08
SOT23_235Tape reel SMD; standard product orientation 12NC ending 235Packing2013-02-05
SOT23_185Tape reel SMD; standard product orientation 12NC ending 185Packing2012-11-16
SOT23_215Tape reel SMD; standard product orientation 12NC ending 215Packing2012-11-16
SOT23plastic, surface-mounted package; 3 terminals; 1.9 mm pitch; 2.9 mm x 1.3 mm x 1 mm bodyOutline drawing2019-01-09


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
BAS40BAS40 SPICE modelSPICE model2012-06-08

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BAS40BAS40,215934034530215Reel 7" Q3/T4Order product
BAS40BAS40,235934034530235Reel 11" Q3/T4, LargePackOrder product
BAS40BAS40,185934034530185Reel 7" Q3/T4 Pitch 4mm in Multi reel packOrder product
BAS40/A2BAS40/A2,215934063011215Reel 7" Q3/T4Order product
BAS40/DGBAS40/DG,215934061869215Reel 7" Q3/T4Order product
BAS40/GBAS40/G,215934058337215Reel 7" Q3/T4Order 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.