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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

Features and benefits

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


  • General switching and amplification.


Type numberPackage versionPackage nameSize (mm)PolarityPtot (mW)VCEO [max] (V)IC [max] (mA)hFE [min]hFE [max]fT [min] (MHz)
MMBT3904SOT23SOT232.9 x 1.3 x 1NPN25040200100300300


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

Reel 11" Q3/T4, LargePack
( 9338 643 60215 )
Active7A%Reel 7" Q3/T4

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFMSLMSL leadfree
Quality and reliability disclaimer

Documentation (6)

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 document2021-03-19
MMBT3904MMBT3904 SPICE modelSPICE model2020-11-11
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
MMBT3904MMBT3904 SPICE modelSPICE model2020-11-11

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.