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BUK9K18-40E

Dual N-channel 40 V, 19.5 mΩ logic level MOSFET

Dual logic level N-channel MOSFET in an LFPAK56D (Dual Power-SO8) package using TrenchMOS technology. This product has been designed and qualified to AEC-Q101 standard for use in high performance automotive applications.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BUK9K18-40E BUK9K18-40E,115 934067072115 SOT1205 Order product

Features and benefits

  • Dual MOSFET
  • Q101 Compliant
  • Repetitive avalanche rated
  • Suitable for thermally demanding environments due to 175 °C rating
  • True logic level gate with VGS(th) rating of greater than 0.5V at 175°C

Applications

  • 12 V Automotive systems
  • Motors, lamps and solenoid control
  • Transmission control
  • Ultra high performance power switching

Parametrics

Type numberPackage versionPackage nameProduct statusChannel typeNumber of transistorsVDS [max] (V)RDSon [max] @ VGS = 10 V (mΩ)RDSon [max] @ VGS = 5 V (mΩ)Tj [max] (°C)ID [max] (A)QGD [typ] (nC)QG(tot) [typ] @ VGS = 10 V (nC)Ptot [max] (W)Qr [typ] (nC)VGSth [typ] (V)Automotive qualifiedCiss [typ] (pF)Coss [typ] (pF)Date
BUK9K18-40ESOT1205LFPAK56D; Dual LFPAKProductionN2401619.517530314.53816.21.7Y7961372012-07-23

Package

Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
BUK9K18-40EBUK9K18-40E,115
( 9340 670 72115 )
Active91840E
LFPAK56D; Dual LFPAK
(SOT1205)
SOT1205Reel 7” Q1/T1 or Q2/T3

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFMSLMSL leadfree
BUK9K18-40EBUK9K18-40E,115BUK9K18-40E11
Quality and reliability disclaimer

Documentation (15)

File nameTitleTypeDate
BUK9K18-40EDual N-channel 40 V, 19.5 mΩ logic level MOSFETData sheet2018-04-05
AN10273Power MOSFET single-shot and repetitive avalanche ruggedness ratingApplication note2020-07-02
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
AN11261RC Thermal ModelsApplication note2021-03-18
AN11599Using power MOSFETs in parallelApplication note2016-07-13
AN90003LFPAK MOSFET thermal design guideApplication note2021-01-22
AN10874_ZHLFPAK MOSFET thermal design guide, Chinese versionApplication note2020-04-30
AN11113_ZHLFPAK MOSFET thermal design guide - Part 2Application note2020-04-30
nexperia_document_leaflet_LFPAK56D_factsheet_LR_201708LFPAK56D the ultimate dual MOSFETLeaflet2017-08-17
BUK9K18-40EBUK9K18-40E Spice modelSPICE model2012-09-11
TN00008Power MOSFET frequently asked questions and answersTechnical note2020-06-24
BUK9K18-40E_RC_Thermal_ModelBUK9K18-40E Thermal design modelThermal design2021-01-18
BUK9K18-40EBUK9K18-40E Thermal modelThermal model2012-09-02

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
BUK9K18-40EBUK9K18-40E Spice modelSPICE model2012-09-11
BUK9K18-40E_RC_Thermal_ModelBUK9K18-40E Thermal design modelThermal design2021-01-18
BUK9K18-40EBUK9K18-40E Thermal modelThermal model2012-09-02

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BUK9K18-40EBUK9K18-40E,115934067072115Reel 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.