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PNP BISS transistor

PNP BISS (Breakthrough In Small Signal) transistor in a SOT23 plastic package. NPN complement: PMMT491A.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
PMMT591A PMMT591A,235 934055114235 SOT23 Order product
PMMT591A PMMT591A,215 934055114215 SOT23 Order product

Features and benefits

  • High current (max. 1 A)
  • Low collector-emitter saturation voltage ensures reduced power consumption.
  • AEC-Q101 qualified


  • Battery powered units where high current and low power consumption are important.


Type numberPackage versionPackage nameSize (mm)PolarityPtot (mW)VCEO [max] (V)IC [max] (mA)hFE [min]hFE [max]fT [min] (MHz)
PMMT591ASOT23SOT232.9 x 1.3 x 1PNP250-40-1000300800150


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
( 9340 551 14235 )

Reel 11" Q3/T4, LargePack
( 9340 551 14215 )
Active9B%Reel 7" Q3/T4

Quality, reliability & chemical content

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

Documentation (5)

File nameTitleTypeDate
PMMT591APNP BISS transistorData sheet2004-01-12
PMMT591A_Nexperia_Product_QualityPMMT591A Nexperia Product QualityQuality document2019-05-20
PMMT591A_Nexperia_Product_ReliabilityPMMT591A Nexperia Product ReliabilityQuality document2021-03-19
PMMT591APMMT591A SPICE modelSPICE model2020-11-11
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
PMMT591APMMT591A SPICE modelSPICE model2020-11-11

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
PMMT591APMMT591A,235934055114235Reel 11" Q3/T4, LargePackOrder product
PMMT591APMMT591A,215934055114215Reel 7" Q3/T4Order product


As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store:

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.