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45 V, 500 mA NPN general-purpose transistors

500 mA NPN general-purpose transistors in a leadless ultra small DFN1010D-3 (SOT1215) Surface-Mounted Device (SMD) plastic package with visible and solderable side pads.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BC817-40QA BC817-40QAZ 934067158147 SOT1215 Order product

Features and benefits

  • General-purpose transistor
  • Two current gain selections
  • Low package height of 0.37 mm
  • AEC-Q101 qualified


  • General-purpose switching and amplification
  • Mobile applications


Type numberPackage versionPackage nameSize (mm)PolarityPtot (mW)VCEO [max] (V)IC [max] (mA)hFE [min]hFE [max]fT [min] (MHz)
BC817-40QASOT1215DFN1010D-31.1 x 1 x 0.37NPN30045500250600100


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
( 9340 671 58147 )
Active10 11 00
SOT1215Reel 7" Q2/T3

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFMSLMSL leadfree
Quality and reliability disclaimer

Documentation (4)

File nameTitleTypeDate
BC817-25QA_40QA45 V, 500 mA NPN general-purpose transistorsData sheet2018-08-28
BC817-40QA_Nexperia_Product_QualityBC817-40QA Nexperia Product QualityQuality document2019-05-20
BC817-40QA_Nexperia_Product_ReliabilityBC817-40QA Nexperia Product ReliabilityQuality document2021-03-19
BC817-40QABC817-40QA SPICE modelSPICE model2020-11-11


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
BC817-40QABC817-40QA SPICE modelSPICE model2020-11-11

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BC817-40QABC817-40QAZ934067158147Reel 7" Q2/T3Order 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.