Register once, drag and drop ECAD models into your CAD tool and speed up your design.

Click here for more information


40 V, 200 mA NPN/PNP general-purpose double transistor

NPN/PNP general-purpose double transistor in a SOT363 (SC-88) very small Surface-Mounted Device (SMD) plastic package.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
PMBT3946YPN PMBT3946YPN,125 934061453125 SOT363 Order product
PMBT3946YPN PMBT3946YPN,115 934061453115 SOT363 Order product

Features and benefits

  • General-purpose double transistor
  • Board-space reduction
  • AEC-Q101 qualified


  • General-purpose switching and amplification


Type numberPackage versionPackage nameSize (mm)PolarityConfigurationPtot (mW)VCEO [max] (V)IC [max] (mA)hFE [min]hFE [max]fr [min] (MHz)
PMBT3946YPNSOT363TSSOP62.1 x 1.25 x 0.95NPN/PNP235040200100300300


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
( 9340 614 53125 )
SOT363Reel 7" Q3/T4, Reverse
( 9340 614 53115 )
ActiveBB%Reel 7” Q1/T1 or Q2/T3

Quality, reliability & chemical content

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

Documentation (5)

File nameTitleTypeDate
PMBT3946YPN40 V, 200 mA NPN/PNP general-purpose double transistorData sheet2009-05-13
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
PMBT3946YPN_Nexperia_Product_QualityPMBT3946YPN Nexperia Product QualityQuality document2019-05-20
PMBT3946YPN_Nexperia_Product_ReliabilityPMBT3946YPN Nexperia Product ReliabilityQuality document2021-03-19
PMBT3946YPNPMBT3946YPN SPICE modelSPICE model2020-11-16


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
PMBT3946YPNPMBT3946YPN SPICE modelSPICE model2020-11-16

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
PMBT3946YPNPMBT3946YPN,125934061453125Reel 7" Q3/T4, ReverseOrder product
PMBT3946YPNPMBT3946YPN,115934061453115Reel 7” Q1/T1 or Q2/T3Order 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.