BUK661R9-40C: N-channel TrenchMOS® intermediate level FET

Intermediate level gate drive N-channel enhancement mode Field-Effect Transistor (FET) in a plastic package using advanced TrenchMOS® technology. This product has been designed and qualified to the appropriate AEC Q101 standard for use in high performance automotive applications.

SOT404
Data Sheets (1)
Name/DescriptionModified Date
N-channel TrenchMOS® intermediate level FET (REV 1.0) PDF (372.0 kB) BUK661R9-40C18 Aug 2010
Application Notes (12)
Name/DescriptionModified Date
Using power MOSFETs in parallel (REV 1.0) PDF (184.0 kB) AN1159913 Jul 2016
Power MOSFET single-shot and repetitive avalanche ruggedness rating (REV 3.0) PDF (146.0 kB) AN1027310 Dec 2015
LFPAK MOSFET thermal design guide - Part 2 (REV 2.0) PDF (2.6 MB) AN11113_ZH22 May 2014
Using RC Thermal Models (REV 2.0) PDF (1.0 MB) AN1126119 May 2014
Understanding power MOSFET data sheet parameters (REV 4.0) PDF (571.0 kB) AN1115804 Feb 2014
Understanding power MOSFET data sheet parameters (REV 3.0) PDF (903.0 kB) AN11158_ZH08 Nov 2013
Failure signature of Electrical Overstress on Power MOSFETs (REV 1.0) PDF (10.5 MB) AN1124329 Oct 2012
Using Power MOSFET Zth Curves (REV 1.0) PDF (212.0 kB) AN1115610 Oct 2012
Designing RC Snubbers (REV 1.0) PDF (565.0 kB) AN1116001 Oct 2012
LFPAK MOSFET thermal design guide, Chinese version (REV 1.0) PDF (515.0 kB) AN10874_ZH14 Sep 2012
LFPAK MOSFET thermal design guide - Part 2 (REV 2.0) PDF (2.5 MB) AN1111316 Nov 2011
LFPAK MOSFET thermal design guide (REV 2.0) PDF (401.0 kB) AN1087427 Jan 2011
Brochures (1)
Name/DescriptionModified Date
Leading-edge Automotive Power MOSFETs (REV 1.0) PDF (1.5 MB) 7501698215 Sep 2010
Selector Guides (3)
Name/DescriptionModified Date
Automotive MOSFET Selection Guide 2016: Performance, Quality, Reliability (REV 1.0) PDF (8.3 MB) 7501764301 Apr 2016
Discretes Semiconductors Selection Guide 2016 (REV 1.0) PDF (47.9 MB) 7501763117 Feb 2016
车用 MOSFET 选型指南2015版 (chinese version) (REV 1.0) PDF (2.9 MB) 7501765117 Apr 2015
Package Information (1)
Name/DescriptionModified Date
plastic single-ended surface-mounted package (D2PAK); 3 leads (one lead cropped) (REV 1.2) PDF (237.0 kB) SOT40406 Sep 2016
Packing (1)
Name/DescriptionModified Date
D2PAK; Reel pack; SMD, 13" Q2/T3 standard product orientation Orderable part number ending ,118 or... (REV 2.0) PDF (90.0 kB) SOT404_11804 Aug 2016
Reports or Presentations (1)
Name/DescriptionModified Date
High Efficiency HVAC blower motor control (REV 1.0) PDF (180.0 kB) R_1006714 Apr 2016
Supporting Information (1)
Name/DescriptionModified Date
Power MOSFET frequently asked questions and answers (REV 2.0) PDF (1.6 MB) TN0000831 Oct 2016
SPICE model
Thermal design
Thermal model
Ordering Information
ProductStatusPackage versionPackage nameChannel typeNumber of transistorsVDS [max] (V)RDSon [max] @ VGS = 10 V (mΩ)RDSon [max] @ VGS = 5 V (mΩ)RDSon [max] @ VGS = 4.5 V (mΩ)RDSon [max] @ VGS = 2.5 V (mΩ)ID [max] (A)RDSon [typ] @ VGS = 10 V (mΩ)RDSon [typ] @ VGS = 5 V (mΩ)QG(tot) [typ] @ VGS = 4.5 V (nC)RDSon [typ] @ VGS = 4.5 V (mΩ)Ptot [max] (W)QG(tot) [typ] @ VGS = 10 V (nC)RDSon [max] @ Tj = 175 °C (mΩ)ID [max] @ T = 100 °C (A)IDM [max] (A)QGD [typ] (nC)QG(tot) [typ] (nC)Qr [typ] (nC)VGSth [typ] (V)Automotive qualifiedCiss [typ] (pF)Coss [typ] (pF)Rth(j-mb) [max] (K/W)Date
BUK661R9-40CActiveSOT404D2PAKN1401.92.63.11201.622.2530626041201107722601272.3Y1130014470.492010-09-24
Package Information
Product IDPackage DescriptionOutline VersionReflow/Wave SolderingPackingProduct StatusPart NumberOrdering code(12NC)MarkingChemical ContentRoHS / Pb Free / RHFMSLMSL LF
BUK661R9-40CSOT404Reel 13" Q1/T1ActiveBUK661R9-40C,118 (9340 642 27118)BUK661R9-40CBUK661R9-40C11
N-channel TrenchMOS® intermediate level FET BUK661R9-40C
Using power MOSFETs in parallel BUK7M12-60E
Power MOSFET single-shot and repetitive avalanche ruggedness rating BUK7M12-60E
LFPAK MOSFET thermal design guide - Part 2 BUK7K8R7-40E
Using RC Thermal Models BUK7M12-60E
Understanding power MOSFET data sheet parameters BUK7M12-60E
Understanding power MOSFET data sheet parameters BUK7K6R8-40E
Failure signature of Electrical Overstress on Power MOSFETs BUK7M12-60E
Using Power MOSFET Zth Curves BUK7M12-60E
Designing RC Snubbers BUK7M12-60E
LFPAK MOSFET thermal design guide, Chinese version BUK7K8R7-40E
LFPAK MOSFET thermal design guide - Part 2 BUK7M12-60E
LFPAK MOSFET thermal design guide BUK7M12-60E
Leading-edge Automotive Power MOSFETs BUK7E2R3-40C
Automotive MOSFET Selection Guide 2016: Performance, Quality, Reliability BUK7M12-60E
Discretes Semiconductors Selection Guide 2016 BUK7M12-60E
车用 MOSFET 选型指南2015版 (chinese version) BUK7E8R3-40E
High Efficiency HVAC blower motor control BUK7M12-60E
Power MOSFET frequently asked questions and answers BUK7M12-60E
BUK661R9-40C SPICE model BUK661R9-40C
BUK661R9-40C RC Thermal Model BUK661R9-40C
BUK661R9-40C Thermal model BUK661R9-40C
plastic single-ended surface-mounted package (D2PAK); 3 leads (one lead cropped) BUK769R6-80E
D2PAK; Reel pack; SMD, 13" Q2/T3 standard product orientation Orderable part number ending ,118 or... BUK769R6-80E
TYN20B-800T