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NPN high-voltage transistor

NPN high-voltage transistor in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
PMBT5550 PMBT5550,235 933845720235 SOT23 Order product
PMBT5550 PMBT5550,215 933845720215 SOT23 Order product

Features and benefits

  • Low current (max. 300 mA)
  • High voltage (max. 140 V)
  • AEC-Q101 qualified


  • General purpose


Type numberPackage versionPackage nameSize (mm)PolarityPtot (mW)VCEO [max] (V)IC [max] (mA)hFE [min]fT [min] (MHz)
PMBT5550SOT23SOT232.9 x 1.3 x 1NPN25014030060100


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
( 9338 457 20235 )

Reel 11" Q3/T4, LargePack
( 9338 457 20215 )
Active%1FReel 7" Q3/T4

Quality, reliability & chemical content

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

Documentation (6)

File nameTitleTypeDate
PMBT5550NPN high-voltage transistorData sheet2020-08-31
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
PMBT5550_Nexperia_Product_QualityPMBT5550 Nexperia Product QualityQuality document2019-05-20
PMBT5550_Nexperia_Product_ReliabilityPMBT5550 Nexperia Product ReliabilityQuality document2021-03-19
PMBT5550PMBT5550 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
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
PMBT5550PMBT5550 SPICE modelSPICE model2020-11-11

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
PMBT5550PMBT5550,235933845720235Reel 11" Q3/T4, LargePackOrder product
PMBT5550PMBT5550,215933845720215Reel 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.