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
BFS20 BFS20,215 933092111215 SOT23 Order product
BFS20 BFS20,235 933092111235 SOT23 Order product
BFS20 BFS20,185 933092111185 SOT23 Order product
BFS20/A2 BFS20/A2,215 934062991215 SOT23 Order product


  • IC(max) =25 mA
  • VCEO(max) =20 V
  • Very low feedback capacitance (typ. 350 fF).
  • AEC-Q101 qualified

Target applications

  • IF and VHF thick and thin-film circuit applications.


Type numberPackage versionPackage nameSize (mm)hFE minhFE maxfT min (MHz)Ptot max (mW)IC max (mA)VCEO max (V)Polarity
BFS20SOT23SOT232.9 x 1.3 x 140>854502502520NPN


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
( 9330 921 11215 )

SOT23Reel 7" Q3/T4
( 9330 921 11235 )
ActiveG1%Reel 11" Q3/T4, LargePack

Quality, reliability & chemical content

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

Documentation (9)

File nameTitleTypeDate
BFS20NPN medium frequency transistorData sheet2004-02-04
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
BFS20_Nexperia_Product_QualityBFS20 Nexperia Product QualityQuality document2019-05-20
BFS20_Nexperia_Product_ReliabilityBFS20 Nexperia Product ReliabilityQuality document2019-04-29
BFS20BFS20 SPICE modelSPICE model2019-11-21
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
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
BFS20BFS20 SPICE modelSPICE model2019-11-21

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BFS20BFS20,215933092111215Reel 7" Q3/T4Order product
BFS20BFS20,235933092111235Reel 11" Q3/T4, LargePackOrder product
BFS20BFS20,185933092111185Reel 7" Q3/T4 Pitch 4mm in Multi reel packOrder product
BFS20/A2BFS20/A2,215934062991215Reel 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.