NPN general purpose transistors

NPN transistor in a SOT323 plastic package.

PNP complements: BC859W and BC860W.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BC849CW BC849CW,115 934022070115 SOT323 Order product
BC849CW BC849CW,135 934022070135 SOT323 Order product
BC849CW BC849CW,185 934022070185 SOT323 Order product
BC849CW/DG BC849CW/DG,135 934061183135 SOT323 Order product
BC849CW/DG BC849CW/DG,115 934061183115 SOT323 Order product


  • Low current (max. 100 mA)
  • Low voltage (max. 45 V).
  • AEC-Q101 qualified

Target applications

  • Low noise stages in tape recorders, hi-fi amplifiers and other audio-frequency equipment.


Type numberPackage versionPackage nameSize (mm)hFE [min]hFE [max]fT [min] (MHz)ComplementIC [max] (mA)Noise figure [max] (dB)VCEO [max] (V)Ptot [max] (mW)Polarity
BC849CWSOT323SC-702 x 1.25 x 0.95420800100BC859CW100430200NPN


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
( 9340 220 70115 )
SOT323Reel 7" Q1/T1
( 9340 220 70135 )
Active2C%Reel 11¼" Q1/T1 in LargePack

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFEFRIFRMTBF (hour)MSLMSL leadfree
BC849CWBC849CW,115Not available95.00.442.27E911
BC849CWBC849CW,135Not available95.00.442.27E911
Quality and reliability disclaimer

Documentation (8)

File nameTitleTypeDate
BC849W_850WNPN general purpose transistorsData sheet1999-04-11
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
BC849CW_Nexperia_Product_QualityBC849CW Nexperia Product QualityQuality document2019-05-20
BC849CW_Nexperia_Product_ReliabilityBC849CW Nexperia Product ReliabilityQuality document2019-04-29
BC849CWBC849CW SPICE modelSPICE model2019-11-21
SOT323_135Tape reel SMD; standard product orientation 12NC ending 135Packing2012-11-16
SOT323_115Tape reel SMD; standard product orientation 12NC ending 115Packing2012-11-16
SOT323plastic, surface-mounted package; 3 leads; 1.3 mm pitch; 2 mm x 1.25 mm x 0.95 mm bodyOutline drawing2017-01-31


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
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
BC849CWBC849CW SPICE modelSPICE model2019-11-21

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BC849CWBC849CW,115934022070115Reel 7" Q1/T1Order product
BC849CWBC849CW,135934022070135Reel 11¼" Q1/T1 in LargePackOrder product
BC849CWBC849CW,185934022070185Reel 7" Q3/T4 Pitch 4mm in Multi reel packOrder product
BC849CW/DGBC849CW/DG,135934061183135Reel 11¼" Q1/T1 in LargePackOrder product
BC849CW/DGBC849CW/DG,115934061183115Reel 7" Q1/T1Order product


As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store: https://extranet.nexperia.com.

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.