NPN high-voltage transistor

NPN high-voltage transistor in a SOT23 plastic package.

PNP complement: PMBT5401.

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


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

Target applications

  • Telephony.


Type numberPackage versionPackage nameSize (mm)
PMBT5550SOT23SOT232.9 x 1.3 x 1


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
( 9338 457 20235 )
ActiveStandard Marking

SOT23Reel 11" Q3/T4, LargePack
( 9338 457 20215 )
ActiveStandard MarkingReel 7" Q3/T4

Quality, reliability & chemical content

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

Documentation (8)

File nameTitleTypeDate
PMBT5550NPN high-voltage transistorData sheet2004-01-20
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
PMBT5550_Nexperia_Product_QualityPMBT5550 Nexperia Product QualityQuality document2019-05-20
PMBT5550_Nexperia_Product_ReliabilityPMBT5550 Nexperia Product ReliabilityQuality document2019-04-29
PMBT5550PMBT5550 SPICE modelSPICE model2012-07-22
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
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
PMBT5550PMBT5550 SPICE modelSPICE model2012-07-22

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.