BSP41; BSP43

NPN medium power transistors

NPN medium power transistor in a SOT223 plastic package.

PNP complements: BSP31; BSP32 and BSP33.

Features and benefits

  • High current (max. 1 A)
  • Low voltage (max. 80 V).


  • Telephony and general industrial applications
  • Thick and thin-film circuits.


Type numberPackage versionPackage nameSize (mm)PolarityPtot (mW)VCEO [max] (V)IC [max] (mA)hFE [min]hFE [max]fT [min] (MHz)
BSP41SOT223SC-736.5 x 3.5 x 1.65NPN130060100030300100
BSP43SOT223SC-736.5 x 3.5 x 1.65NPN130080100030300100


Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
Reel 7” Q1/T1 or Q2/T3ActiveBSP41BSP41,115
( 9339 820 10115 )
Reel 7” Q1/T1 or Q2/T3ActiveBSP43BSP43,115
( 9339 820 30115 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateMSLMSL leadfree
BSP41BSP41,115BSP41week 34, 200311
BSP43BSP43,115BSP43week 34, 200311
Quality and reliability disclaimer

Documentation (5)

File nameTitleTypeDate
BSP41_43NPN medium power transistorsData sheet1999-04-25
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
Nexperia_Selection_guide_2020Nexperia Selection Guide 2020Selection guide2020-01-31
SOT223plastic, surface-mounted package with increased heatsink; 4 leads; 2.3 mm pitch; 6.5 mm x 3.5 mm x 1.65 mm bodyPackage information2020-04-21
WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08


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Ordering, pricing & availability


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Sample orders normally take 2-4 days for delivery.

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