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PBSS4540X ECAD models PCB Symbol, Footprint & ECAD Model

40 V, 5 A NPN low VCEsat (BISS) transistor

NPN low VCEsat transistor in a medium power SOT89 (SC-62) package.

PNP complement: PBSS5540X.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
PBSS4540X PBSS4540X,135 934057105135 SOT89 Order product


  • High hFE and low VCEsat at high current operation
  • High collector current capability: IC maximum 4 A
  • High efficiency leading to less heat generation.
  • AEC-Q101 qualified

Target applications

  • Medium power peripheral drivers (e.g. fan and motor)
  • Strobe flash units for DSC and mobile phones
  • Inverter applications (e.g. TFT displays)
  • Power switch for LAN and ADSL systems
  • Medium power DC-to-DC conversionc
  • Battery chargers.


Type numberPackage versionPackage nameSize (mm)transistor polarityPtot [max] (mW)VCEO [max] (V)IC [max] (A)ICM [max] (A)hFE [min]VCEsat [max] (mV)
PBSS4540XSOT89SOT894.5 x 2.5 x 1.5NPN250040410300355


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
( 9340 571 05135 )

SOT89Reel 11¼" Q1/T1 in LargePack

Quality, reliability & chemical content

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

Documentation (7)

File nameTitleTypeDate
PBSS4540X40 V, 5 A NPN low VCEsat (BISS) transistorData sheet2004-11-03
AN11076Thermal behavior of small-signal discretes on multilayer PCBsApplication note2011-07-12
PBSS4540X_Nexperia_Product_QualityPBSS4540X Nexperia Product QualityQuality document2019-05-20
PBSS4540X_Nexperia_Product_ReliabilityPBSS4540X Nexperia Product Reliability Quality documentQuality document2020-03-11
PBSS4540XPBSS4540X SPICE modelSPICE model2020-03-02
SOT89_135Tape reel SMD; standard product orientation 12NC ending 135Packing2012-11-28
SOT89plastic, surface-mounted package; 3 leads; 1.5 mm pitch; 4.5 mm x 2.5 mm x 1.5 mm bodyOutline drawing2017-01-30


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
PBSS4540XPBSS4540X SPICE modelSPICE model2020-03-02

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
PBSS4540XPBSS4540X,135934057105135Reel 11¼" Q1/T1 in LargePackOrder product


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Sample orders normally take 2-4 days for delivery.

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