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100 V, 3 A NPN high power bipolar transistor

NPN high power bipolar transistor in a power DPAK, TO-252 (SOT428C) Surface-Mounted Device (SMD) plastic package.

PNP complement: MJD32CA

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
MJD31CA MJD31CAJ 934660548118 SOT428C Order product

Features and benefits

  • High thermal power dissipation capability
  • High energy efficiency due to less heat generation
  • Electrically similar to popular MJD31 series
  • Low collector emitter saturation voltage
  • Fast switching speeds
  • AEC-Q101 qualified


  • Power management
  • Load switch
  • Linear mode voltage regulator
  • Constant current drive backlighting application
  • Motor drive
  • Relay replacement


Type numberPackage versionPackage nameSize (mm)PolarityPtot (mW)VCEO [max] (V)IC [max] (mA)hFE [min]hFE [max]fT [min] (MHz)Automotive qualified
MJD31CASOT428CDPAK6.1 x 6.6 x 2.3NPN15000100300025503Y


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
( 9346 605 48118 )
SOT428CReel 13" Q1/T1

Environmental information

Type numberOrderable part numberChemical contentRoHSRHF-indicator
Quality and reliability disclaimer

Documentation (6)

File nameTitleTypeDate
MJD31CA100 V, 3 A NPN high power bipolar transistor Data sheet2020-11-23
Nexperia_document_brochure_DPAK_LFPAK_BJT_2021Bipolar power transistors in DPAK and LFPAK - ensure the best fit for your power circuitryBrochure2021-06-24
Nexperia_Document_Leaflet_DPAK_LFPAKBJT_CHN_2021Nexperia Document Leaflet DPAK LFPAK BJT CHN 2021Leaflet2021-08-06
MJD31CA_Nexperia_Product_ReliabilityMJD31CA Nexperia Product ReliabilityQuality document2022-03-21
MJD31CAMJD31CA SPICE modelSPICE model2022-11-07
MJD31CA_cauerMJD31CA RC thermal cauer modelThermal design2020-03-30


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
MJD31CAMJD31CA SPICE modelSPICE model2022-11-07
MJD31CA_cauerMJD31CA RC thermal cauer modelThermal design2020-03-30

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingPacking quantityBuy online
MJD31CAMJD31CAJ934660548118Reel 13" Q1/T1- 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.

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