500 mA PNP general-purpose transistors

PNP transistors in a SOT323 (SC-70) very small Surface-Mounted Device (SMD) plastic package.


  • High current (max. 500 mA)
  • Collector-emitter voltage:
    • 60 V (PMSTA55)
    • 80 V (PMSTA56)
  • AEC-Q101 qualified

Target applications

  • Intended for telephony and professional communication equipment.


Type numberPackage versionPackage nameSize (mm)PolarityConfigurationPtot (mW)VCEO [max] (V)IC [max] (mA)hFE [min]
PMSTA55SOT323SC-702 x 1.25 x 0.95PNP1200-60-50050
PMSTA56SOT323SC-702 x 1.25 x 0.95PNP1200-80-50050


Type numberPackageOutline versionReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
SOT323Reel 7" Q1/T1Active%2HPMSTA55,115
( 9340 425 40115 )
SOT323Reel 7" Q1/T1Active%2GPMSTA56,115
( 9340 422 70115 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
PMSTA55PMSTA55,115PMSTA55week 30, 200395.00.442.27E911
PMSTA56PMSTA56,115PMSTA56week 30, 200395.00.442.27E911
Quality and reliability disclaimer

Documentation (5)

File nameTitleTypeDate
PMSTA55_56500 mA PNP general-purpose transistorsData sheet2018-08-28
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
SOT323plastic, surface-mounted package; 3 leads; 1.3 mm pitch; 2 mm x 1.25 mm x 0.95 mm bodyOutline drawing2017-01-31
SOT323_135Tape reel SMD; standard product orientation 12NC ending 135Packing2012-11-16
SOT323_115Tape reel SMD; standard product orientation 12NC ending 115Packing2012-11-16


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