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

Click here for more information


40 V low VCEsat NPN transistor

NPN low VCEsat transistor in a SOT223 plastic package.

PNP complement: PBSS5540Z.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
PBSS4540Z PBSS4540Z,115 934055495115 SOT223 Order product

Features and benefits

  • Low collector-emitter saturation voltage
  • High current capabilities
  • Improved device reliability due to reduced heat generation.
  • AEC-Q101 qualified


  • Supply line switching circuits
  • Battery management applications
  • DC/DC converter applications
  • Strobe flash units
  • Heavy duty battery powered equipment (motor and lamp drivers)
  • MOSFET driver applications.


Type numberPackage versionPackage nameSize (mm)PolarityPtot (mW)VCEO [max] (V)IC [max] (mA)hFE [min]fT [min] (MHz)
PBSS4540ZSOT223SC-736.5 x 3.5 x 1.65NPN135040500030070


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
( 9340 554 95115 )
Reel 7” Q1/T1 or Q2/T3

Quality, reliability & chemical content

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

Documentation (6)

File nameTitleTypeDate
PBSS4540Z40 V low VCEsat NPN transistorData sheet2001-11-13
AN11076Thermal behavior of small-signal discretes on multilayer PCBsApplication note2021-06-23
PBSS4540Z_Nexperia_Product_QualityPBSS4540Z Nexperia Product QualityQuality document2019-05-20
PBSS4540Z_Nexperia_Product_ReliabilityPBSS4540Z Nexperia Product ReliabilityQuality document2021-03-19
PBSS4540ZPBSS4540Z SPICE modelSPICE model2021-11-16
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
PBSS4540ZPBSS4540Z SPICE modelSPICE model2021-11-16

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
PBSS4540ZPBSS4540Z,115934055495115Reel 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: https://extranet.nexperia.com.

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.