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BUK9Y14-40B

N-channel TrenchMOS logic level FET

Logic level N-channel enhancement mode Field-Effect Transistor (FET) in a plastic package using Nexperia's High Performance Automotive (HPA) TrenchMOS technology. This product has been designed and qualified to the appropriate AEC standard for use in automotive critical applications.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BUK9Y14-40B BUK9Y14-40B,115 934060172115 SOT669 Order product

Features and benefits

  • Low conduction losses due to low on-state resistance
  • Q101 compliant
  • Suitable for logic level gate drive sources
  • Suitable for thermally demanding environments due to 175 °C rating

Applications

  • Air bag
  • Automotive ABS systems
  • Automotive transmission control
  • Diesel injection systems
  • Fuel pump and injection
  • Motors, lamps and solenoids

Parametrics

Type numberPackage versionPackage nameProduct statusChannel typeNumber of transistorsVDS [max] (V)RDSon [max] @ VGS = 10 V (mΩ)RDSon [max] @ VGS = 5 V (mΩ)RDSon [max] @ VGS = 4.5 V (mΩ)Tj [max] (°C)ID [max] (A)QGD [typ] (nC)Ptot [max] (W)Qr [typ] (nC)VGSth [typ] (V)Automotive qualifiedCiss [typ] (pF)Coss [typ] (pF)Date
BUK9Y14-40BSOT669LFPAK56; Power-SO8ProductionN14011141617556985261.5Y13602742011-01-27

Package

Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
BUK9Y14-40BBUK9Y14-40B,115
( 9340 601 72115 )
Active91440B
LFPAK56; Power-SO8
(SOT669)
SOT669REFLOW_BG-BD-1
WAVE_BG-BD-1
Reel 7” Q1/T1 or Q2/T3

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFMSLMSL leadfree
BUK9Y14-40BBUK9Y14-40B,115BUK9Y14-40B11
Quality and reliability disclaimer

Documentation (17)

File nameTitleTypeDate
BUK9Y14-40BN-channel TrenchMOS logic level FETData sheet2017-05-29
AN10273Power MOSFET single-shot and repetitive avalanche ruggedness ratingApplication note2020-07-02
AN11158Understanding power MOSFET data sheet parametersApplication note2020-07-06
AN11160Designing RC SnubbersApplication note2021-05-18
AN11156Using Power MOSFET Zth CurvesApplication note2021-01-04
AN11243Failure signature of Electrical Overstress on Power MOSFETsApplication note2017-12-21
AN11158_ZHUnderstanding power MOSFET data sheet parametersApplication note2021-01-04
AN11261RC Thermal ModelsApplication note2021-03-18
AN11599Using power MOSFETs in parallelApplication note2016-07-13
AN10874_ZHLFPAK MOSFET thermal design guide, Chinese versionApplication note2020-04-30
AN11113_ZHLFPAK MOSFET thermal design guide - Part 2Application note2020-04-30
BUK9Y14_40BBUK9Y14-40B SPICE modelSPICE model2012-04-11
TN00008Power MOSFET frequently asked questions and answersTechnical note2020-06-24
BUK9Y14-40B_RC_Thermal_ModelBUK9Y14-40B Thermal design modelThermal design2021-01-18
BUK9Y14-40BBUK9Y14-40B Thermal modelThermal model2006-04-19
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
BUK9Y14_40BBUK9Y14-40B SPICE modelSPICE model2012-04-11
BUK9Y14-40B_RC_Thermal_ModelBUK9Y14-40B Thermal design modelThermal design2021-01-18
BUK9Y14-40BBUK9Y14-40B Thermal modelThermal model2006-04-19

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BUK9Y14-40BBUK9Y14-40B,115934060172115Reel 7” Q1/T1 or Q2/T3Order 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.