BF840

NPN medium frequency transistor

NPN medium frequency transistor in a SOT23 plastic package.

Features

  • Low current (max. 25 mA)
  • Low voltage (max. 40 V).
  • AEC-Q101 qualified

Target applications

  • AM mixers
  • IF amplifiers in AM/FM receivers.

Parametrics

Type numberPackage versionPackage nameSize (mm)hFE minhFE maxfT min (MHz)Ptot max (mW)IC max (mA)VCEO max (V)Polarity
BF840SOT23TO-236AB2.9 x 1.3 x 1762223802502540NPN

Package

Type numberPackageOutline versionReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
BF840
TO-236AB
(SOT23)
SOT23Reel 11" Q3/T4, LargePackActiveNC%BF840,235
( 9337 926 70235 )
Reel 7" Q3/T4ActiveNC%BF840,215
( 9337 926 70215 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
BF840BF840,235BF840week 34, 2003130.00.61.67E911
BF840BF840,215BF840week 34, 2003130.00.61.67E911
Quality and reliability disclaimer

Documentation (8)

File nameTitleTypeDate
BF840NPN medium frequency transistorData sheet2004-01-12
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
BF840_Nexperia_Product_QualityBF840 Nexperia Product QualityQuality document2017-05-16
BF840_Nexperia_Product_ReliabilityBF840 Nexperia Product ReliabilityQuality document2017-05-23
BF840BF840 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 drawing2018-01-16

Support

Find answers to your design questions on this page. If available you can find information in our Nexperia Support Community or you can find Nexperia models and Design tools.

Models

File nameTitleTypeDate
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
BF840BF840 SPICE modelSPICE model2012-07-22

Ordering

DistributorBuy online
Arrow ElectronicsBuy online
Avnet ExpressBuy online
Chip One StopBuy online
DigiKeyBuy online
Farnell EuropeBuy online
Future ElectronicsBuy online
Mouser ElectronicsBuy online
NewarkBuy online
Newark element14Buy online
Rochester ElectronicsBuy online

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.