N-channel TrenchMOS standard level FET

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

Devices listed on this page should not be used for new designs!
This product has been discontinued click here for discontinuation information and replacement parts.


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

Target applications

  • 12 V, 24 V and 42 V loads
  • Automotive and general purpose power switching
  • Motors, lamps and solenoids


Type numberPackage versionPackage nameProduct statusChannel typeNumber of transistorsVDS [max] (V)RDSon [max] @ VGS = 10 V (mΩ)ID [max] (A)Ptot [max] (W)Qr [typ] (nC)VGSth [typ] (V)Automotive qualifiedCiss [typ] (pF)Coss [typ] (pF)Date
BUK7520-100ASOT78ATO-220ABEnd of lifeN110020632002823Y34304402011-02-02


All type numbers in the table below are discontinued. See the table Discontinuation information for more information.

Type numberPackageOutline versionReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
SOT78AHorizontal, Rail PackDiscontinued / End-of-lifeBUK7520-100ABUK7520-100A,127
( 9340 556 51127 )

Discontinuation information

Type numberOrderable part number, (Ordering code (12NC))Last-time buy dateLast-time delivery dateReplacement productDN NoticeStatusComments
BUK7520-100A93405565112730-Jun-1631-Dec-16No replacementDN NXP_DN_201512008DNFull withdrawalReduction of SOT78 Legacy Products


All type numbers in the table below are discontinued. See the table Discontinuation information for more information.

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateMSLMSL leadfree
BUK7520-100ABUK7520-100A,127BUK7520-100Aweek 1, 2005NANA
Quality and reliability disclaimer

Documentation (15)

File nameTitleTypeDate
BUK7520-100AN-channel TrenchMOS standard level FETData sheet2011-02-02
AN10273Power MOSFET single-shot and repetitive avalanche ruggedness ratingApplication note2015-12-10
AN10874LFPAK MOSFET thermal design guideApplication note2011-01-27
AN11113LFPAK MOSFET thermal design guide - Part 2Application note2011-11-16
AN11158Understanding power MOSFET data sheet parametersApplication note2014-02-04
AN11160Designing RC SnubbersApplication note2012-10-01
AN11156Using Power MOSFET Zth CurvesApplication note2012-10-10
AN11243Failure signature of Electrical Overstress on Power MOSFETsApplication note2012-10-29
AN11261Using RC Thermal ModelsApplication note2014-05-19
AN11599Using power MOSFETs in parallelApplication note2016-07-13
R_10067High Efficiency HVAC blower motor controlReport2016-04-14
75017643Automotive MOSFET Selection Guide 2016: Performance, Quality, ReliabilitySelection guide2016-03-31
75017631Discretes Semiconductors Selection Guide 2016Selection guide2016-02-16
TN00008Power MOSFET frequently asked questions and answersTechnical note2016-10-31
SOT78Aplastic, single-ended package (heatsink mounted, 1 mounting hole); 3 leads; 2.54 mm pitch; 15.5 mm x 10 mm x 4.3 mm bodyOutline drawing2017-01-30


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