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MMBT3904 ECAD models PCB Symbol, Footprint & ECAD Model

NPN switching transistor

NPN switching transistor in a SOT23 plastic package.

PNP complement: MMBT3906.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
MMBT3904 MMBT3904VL 933864360235 SOT23 Order product
MMBT3904 MMBT3904,215 933864360215 SOT23 Order product


  • Collector current capability IC = 200 mA
  • Collector-emitter voltage VCEO = 40 V.
  • AEC-Q101 qualified

Target applications

  • General switching and amplification.


Type numberPackage versionPackage nameSize (mm)transistor polarityVCEO [max] (V)IC [max] (mA)hFE [max]hFE [min]fT [min] (MHz)ComplementPtot [max] (mW)
MMBT3904SOT23SOT232.9 x 1.3 x 1NPN40200300100300MMBT3906250


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
( 9338 643 60235 )

SOT23Reel 11" Q3/T4, LargePack
( 9338 643 60215 )
Active7A%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
MMBT3904NPN switching transistorData sheet2004-02-02
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
MMBT3904_Nexperia_Product_QualityMMBT3904 Nexperia Product QualityQuality document2019-05-20
MMBT3904_Nexperia_Product_ReliabilityMMBT3904 Nexperia Product ReliabilityQuality document2019-04-29
MMBT3904MMBT3904 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
MMBT3904MMBT3904 SPICE modelSPICE model2019-11-21

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
MMBT3904MMBT3904VL933864360235Reel 11" Q3/T4, LargePackOrder product
MMBT3904MMBT3904,215933864360215Reel 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.