Bipolar transistors

Diodes

ESD protection, TVS, filtering and signal conditioning

MOSFETs

SiC MOSFETs

GaN FETs

IGBTs

Analog & Logic ICs

Automotive qualified products (AEC-Q100/Q101)

BUK7M21-40E

N-channel 40 V, 21 mΩ standard level MOSFET in LFPAK33

Standard level N-channel MOSFET in an LFPAK33 (Power33) package using TrenchMOS technology. This product has been designed and qualified to AEC Q101 standard for use in high performance automotive applications.

Features and benefits

  • Q101 Compliant

  • Repetitive avalanche rated

  • Suitable for thermally demanding environments due to 175 °C rating

  • True standard level gate with VGS(th) rating of greater than 1 V at 175 °C

Applications

  • 12 V automotive systems

  • Motors, lamps and solenoid control

  • Transmission control

  • Ultra high performance power switching

Parametrics

Type number Package version Package name Product status Channel type Nr of transistors VDS [max] (V) RDSon [max] @ VGS = 10 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 qualified Ciss [typ] (pF) Coss [typ] (pF) Release date
BUK7M21-40E SOT1210 LFPAK33 Production N 1 40 21 175 33 3.8 10.7 44 5.8 3 Y 446 99 2016-04-12

Package

Type number Orderable part number, (Ordering code (12NC)) Status Marking Package Package information Reflow-/Wave soldering Packing
BUK7M21-40E BUK7M21-40EX
(934070087115)
Active 72140E SOT1210
LFPAK33
(SOT1210)
SOT1210 REFLOW_BG-BD-1
SOT1210_115

Environmental information

Type number Orderable part number Chemical content RoHS RHF-indicator
BUK7M21-40E BUK7M21-40EX BUK7M21-40E rohs rhf
Quality and reliability disclaimer

Documentation (21)

File name Title Type Date
BUK7M21-40E N-channel 40 V, 21 mΩ standard level MOSFET in LFPAK33 Data sheet 2018-04-05
AN10273 Power MOSFET single-shot and repetitive avalanche ruggedness rating Application note 2022-06-20
AN11156 Using Power MOSFET Zth Curves Application note 2021-01-04
AN11158 Understanding power MOSFET data sheet parameters Application note 2020-07-06
AN11160 Designing RC Snubbers Application note 2024-10-21
AN11243 Failure signature of Electrical Overstress on Power MOSFETs Application note 2017-12-21
AN11261 RC Thermal Models Application note 2021-03-18
AN11599 Using power MOSFETs in parallel Application note 2016-07-13
SOT1210 3D model for products with SOT1210 package Design support 2017-06-30
Nexperia_Document_Leaflet_LFPAK33_12022020 LFPAK33 shrinking the power footprint Leaflet 2020-03-25
Nexperia_Document_Leaflet_LFPAK33_12022020_CH LFPAK33 leaflet Leaflet 2020-03-25
Nexperia_package_poster Nexperia package poster Leaflet 2020-05-15
LFPAK33_SOT1210_mk Plastic, single ended surface mounted package (LFPAK33); 8 leads; 0.65 mm pitch; 2.7 mm x 3.4 mm x 0.9 mm body Marcom graphics 2017-01-28
BUK7xxxx-40E_LTspice_V3 BUK7xxxx-40E Precision ElectroThermal (PET) LTspice model PET SPICE model 2023-07-10
SOT1210 Plastic, single ended surface mounted package (LFPAK33); 8 leads; 0.65 mm pitch Package information 2024-07-24
SOT1210_115 LFPAK33; Reel pack for SMD, 7"; Q1/T1 product orientation Packing information 2022-06-07
REFLOW_BG-BD-1 Reflow soldering profile Reflow soldering 2021-04-06
BUK7M21-40E BUK7M21-40E SPICE model SPICE model 2016-05-02
TN00008 Power MOSFET frequently asked questions and answers Technical note 2024-08-09
BUK7M21-40E_RC_Thermal_Model BUK7M21-40E Thermal design model Thermal design 2021-01-18
BUK7M21-40E BUK7M21-40E Thermal model Thermal model 2016-05-03

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 name Title Type Date
BUK7xxxx-40E_LTspice_V3 BUK7xxxx-40E Precision ElectroThermal (PET) LTspice model PET SPICE model 2023-07-10
BUK7M21-40E BUK7M21-40E SPICE model SPICE model 2016-05-02
BUK7M21-40E_RC_Thermal_Model BUK7M21-40E Thermal design model Thermal design 2021-01-18
BUK7M21-40E BUK7M21-40E Thermal model Thermal model 2016-05-03
SOT1210 3D model for products with SOT1210 package Design support 2017-06-30

Ordering, pricing & availability

Type number Orderable part number Ordering code (12NC) Status Packing Packing Quantity Buy online
BUK7M21-40E BUK7M21-40EX 934070087115 Active SOT1210_115 1,500 Order product

Sample

As a Nexperia customer you can order samples via our sales organization.

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. Check out the list of official distributors.

How does it work?

The interactive datasheets are based on the Nexperia MOSFET precision electrothermal models. With our interactive datasheets you can simply specify your own conditions interactively. Start by changing the values of the conditions. You can do this by using the sliders in the condition fields. By dragging the sliders you will see how the MOSFET will perform at the new conditions set.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BUK7M21-40E BUK7M21-40EX 934070087115 SOT1210 Order product