20 V NPN low VCEsat transistor

NPN low VCEsat transistor in a SOT23 plastic package.

PNP complement: PBSS5320T.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
PBSS4320T PBSS4320TVL 934056854235 SOT23 Order product
PBSS4320T PBSS4320T,215 934056854215 SOT23 Order product
PBSS4320T/DG PBSS4320T/DG,215 934062107215 SOT23 Order product
PBSS4320T/G PBSS4320T/G,215 934058945215 SOT23 Order product


  • Low collector-emitter saturation voltage VCEsat and corresponding low RCEsat
  • High collector current capability
  • High collector current gain
  • Improved efficiency due to reduced heat generation.
  • AEC-Q101 qualified

Target applications

  • Power management applications
  • Low and medium power DC/DC convertors
  • Supply line switching
  • Battery chargers
  • Linear voltage regulation with low voltage drop-out (LDO).


Type numberPackage versionPackage nameSize (mm)transistor polarityPtot [max] (mW)VCEO [max] (V)IC [max] (A)ICM [max] (A)hFE [min]RCEsat [typ] (mΩ)VCEsat [max] (mV)
PBSS4320TSOT23SOT232.9 x 1.3 x 1NPN300202522080310


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
( 9340 568 54235 )

SOT23Reel 11" Q3/T4, LargePack
( 9340 568 54215 )
ActiveZG%Reel 7" Q3/T4

Quality, reliability & chemical content

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

Documentation (9)

File nameTitleTypeDate
PBSS4320T20 V NPN low VCEsat transistorData sheet2004-03-17
AN11076Thermal behavior of small-signal discretes on multilayer PCBsApplication note2011-07-12
PBSS4320T_Nexperia_Product_QualityPBSS4320T Nexperia Product QualityQuality document2019-05-20
PBSS4320T_Nexperia_Product_ReliabilityPBSS4320T Nexperia Product ReliabilityQuality document2019-04-29
PBSS4320TPBSS4320T SPICE modelSPICE model2012-07-22
PBSS4320TPBSS4320T SPICE modelSPICE model2019-10-16
SOT23_235Tape reel SMD; standard product orientation 12NC ending 235Packing2013-02-05
SOT23_215Tape reel SMD; standard product orientation 12NC ending 215Packing2012-11-16
SOT23plastic, surface-mounted package; 3 terminals; 1.9 mm pitch; 2.9 mm x 1.3 mm x 1 mm bodyOutline drawing2019-01-09


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
PBSS4320TPBSS4320T SPICE modelSPICE model2012-07-22
PBSS4320TPBSS4320T SPICE modelSPICE model2019-10-16

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
PBSS4320TPBSS4320TVL934056854235Reel 11" Q3/T4, LargePackOrder product
PBSS4320TPBSS4320T,215934056854215Reel 7" Q3/T4Order product
PBSS4320T/DGPBSS4320T/DG,215934062107215Reel 7" Q3/T4Order product
PBSS4320T/GPBSS4320T/G,215934058945215Reel 7" Q3/T4Order 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.