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NPN medium frequency transistor

NPN medium frequency transistor in a SOT323 (SC-70) plastic package.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BFS20W BFS20W,115 934055191115 SOT323 Order product

Features and benefits

  • Low current (max. 25 mA)
  • Low voltage (max. 20 V).
  • Very low feedback capacitance (typ. 350 fF).
  • AEC-Q101 qualified


  • IF and VHF applications in thick and thin-film circuits.


Type numberPackage versionPackage nameSize (mm)hFE [min]hFE [max]fT [min] (MHz)Ptot [max] (mW)IC [max] (mA)VCEO [max] (V)Polarity
BFS20WSOT323SC-702 x 1.25 x 0.9540>854502502520NPN


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
( 9340 551 91115 )
Reel 7” Q1/T1 or Q2/T3

Environmental information

Type numberOrderable part numberChemical contentRoHSRHF-indicator
Quality and reliability disclaimer

Documentation (7)

File nameTitleTypeDate
BFS20WNPN medium frequency transistorData sheet1999-04-20
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
BFS20W_Nexperia_Product_QualityBFS20W Nexperia Product QualityQuality document2019-05-20
BFS20W_Nexperia_Product_ReliabilityBFS20W Nexperia Product ReliabilityQuality document2022-03-21
BFS20WBFS20W SPICE modelSPICE model2022-11-07
REFLOW_BG-BD-1Reflow soldering profileReflow soldering2021-04-06
WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08


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
BFS20WBFS20W SPICE modelSPICE model2022-11-07

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingPacking quantityBuy online
BFS20WBFS20W,115934055191115Reel 7” Q1/T1 or Q2/T3- Order 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.