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BF840

NPN medium frequency transistor

NPN medium frequency transistor in a SOT23 plastic package.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BF840 BF840,235 933792670235 SOT23 Order product
BF840 BF840,215 933792670215 SOT23 Order product

Features and benefits

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

Applications

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

Parametrics

Type numberPackage versionPackage nameSize (mm)hFE [min]hFE [max]fT [min] (MHz)Ptot [max] (mW)IC [max] (mA)VCEO [max] (V)Polarity
BF840SOT23SOT232.9 x 1.3 x 1762223802502540NPN

Package

Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
BF840BF840,235
( 9337 926 70235 )
ActiveNC%

(SOT23)
SOT23REFLOW_BG-BD-1
WAVE_BG-BD-1
Reel 11" Q3/T4, LargePack
BF840,215
( 9337 926 70215 )
ActiveNC%Reel 7" Q3/T4

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFMSLMSL leadfree
BF840BF840,235BF84011
BF840BF840,215BF84011
Quality and reliability disclaimer

Documentation (7)

File nameTitleTypeDate
BF840NPN medium frequency transistorData sheet2004-01-12
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
BF840_Nexperia_Product_QualityBF840 Nexperia Product QualityQuality document2019-05-20
BF840_Nexperia_Product_ReliabilityBF840 Nexperia Product ReliabilityQuality document2022-03-21
BF840BF840 SPICE modelSPICE model2022-07-12
REFLOW_BG-BD-1Reflow soldering profileReflow soldering2021-04-06
WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08

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.

Models

File nameTitleTypeDate
LSYMTRALetter Symbols - Transistors; GeneralDesign support1999-05-06
BF840BF840 SPICE modelSPICE model2022-07-12

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingPacking quantityBuy online
BF840BF840,235933792670235Reel 11" Q3/T4, LargePack- Order product
BF840BF840,215933792670215Reel 7" Q3/T4- Order product

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.