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BF840 ECAD models PCB Symbol, Footprint & ECAD Model

NPN medium frequency transistor

NPN medium frequency transistor in a SOT23 plastic package.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BF840 BF840,235 933792670235 SOT23 Order product
BF840 BF840,215 933792670215 SOT23 Order product
BF840/A2 BF840/A2,215 934062983215 SOT23 Order product


  • Low current (max. 25 mA)
  • Low voltage (max. 40 V).
  • AEC-Q101 qualified

Target applications

  • AM mixers
  • IF amplifiers in AM/FM receivers.


Type numberPackage versionPackage nameSize (mm)hFE minhFE maxfT min (MHz)Ptot max (mW)IC max (mA)VCEO max (V)Polarity
BF840SOT23SOT232.9 x 1.3 x 1762223802502540NPN


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
( 9337 926 70235 )

SOT23Reel 11" Q3/T4, LargePack
( 9337 926 70215 )
ActiveNC%Reel 7" Q3/T4

Quality, reliability & chemical content

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

Documentation (8)

File nameTitleTypeDate
BF840NPN medium frequency transistorData sheet2004-01-12
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
BF840_Nexperia_Product_QualityBF840 Nexperia Product QualityQuality document2019-05-20
BF840_Nexperia_Product_ReliabilityBF840 Nexperia Product ReliabilityQuality document2019-04-29
BF840BF840 SPICE modelSPICE model2019-11-21
SOT23_235Tape reel SMD; standard product orientation 12NC ending 235Packing2013-02-05
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
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
BF840BF840 SPICE modelSPICE model2019-11-21

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BF840BF840,235933792670235Reel 11" Q3/T4, LargePackOrder product
BF840BF840,215933792670215Reel 7" Q3/T4Order product
BF840/A2BF840/A2,215934062983215Reel 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.