BST50; BST51; BST52

NPN Darlington transistors

NPN Darlington transistor in a SOT89 plastic package.

PNP complements: BST60, BST61 and BST62.

Features and benefits

  • High current (max. 0.5 A)
  • Low voltage (max. 80 V)
  • Integrated diode and resistor.
  • AEC-Q101 qualified

Applications

  • Industrial switching applications such as:
    • Print hammer
    • Solenoid
    • Relay and lamp driving.

Parametrics

Type numberPackage versionPackage nameSize (mm)hFE mintoff (ns)fT min (MHz)PolarityIC max (mA)VCES max (V)Ptot max (mW)ComplementhFE max
BST50SOT89SOT894.5 x 2.5 x 1.520001500200NPN500451300BST60>2000
BST51SOT89SOT894.5 x 2.5 x 1.520001500200NPN500601300BST61>2000
BST52SOT89SOT894.5 x 2.5 x 1.520001500200NPN500801300BST62>2000

Package

Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
BST50

(SOT89)
SOT89Reel 7” Q1/T1 or Q2/T3ActiveAS1BST50,115
( 9336 442 50115 )
BST51

(SOT89)
SOT89Reel 13” or 11 ¼” Q1/T1 ActiveAS2BST51,135
( 9336 442 60135 )
Reel 7” Q1/T1 or Q2/T3ActiveAS2BST51,115
( 9336 442 60115 )
BST52

(SOT89)
SOT89Reel 13” or 11 ¼” Q1/T1 ActiveAS3BST52,135
( 9336 442 70135 )
Reel 7” Q1/T1 or Q2/T3ActiveAS3BST52,115
( 9336 442 70115 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateMSLMSL leadfree
BST50BST50,115BST50week 28, 200311
BST51BST51,135BST51week 28, 200311
BST51BST51,115BST51week 28, 200311
BST52BST52,135BST52week 28, 200311
BST52BST52,115BST52week 28, 200311
Quality and reliability disclaimer

Documentation (6)

File nameTitleTypeDate
BST50_51_52NPN Darlington transistorsData sheet2004-12-08
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
DERATSMDPower Derating Curves for SMDs; GeneralDesign support1999-05-06
Nexperia_Selection_guide_2020Nexperia Selection Guide 2020Selection guide2020-01-31
Nexperia_Selection_guide_2021Nexperia Selection Guide 2021Selection guide2021-01-08
SOT89plastic, surface-mounted package; 3 leads; 1.5 mm pitch; 4.5 mm x 2.5 mm x 1.5 mm bodyPackage information2020-04-21

Support

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.

Ordering, pricing & availability

Sample

As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store: https://extranet.nexperia.com.

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.