Orderable parts
| Type number | Orderable part number | Ordering code (12NC) | Package | Buy from distributors |
|---|---|---|---|---|
| BUK9M8R5-40H | BUK9M8R5-40HX | 934660808115 | SOT1210 | Order product |
Register once, drag and drop ECAD models into your CAD tool and speed up your design.
Click here for more informationBUK9M8R5-40H
N-channel 40 V, 8.5 mΩ logic level MOSFET in LFPAK33
Automotive qualified logic level N-channel MOSFET in an LFPAK33 package using Trench 9 TrenchMOS technology. This product has been designed and qualified to AEC-Q101 for use in high performance automotive applications.
Features and benefits
Fully automotive qualified to AEC-Q101 at 175 °C
-
Trench 9 superjunction technology:
Low power losses, high power density
-
LFPAK copper clip package technology:
High robustness and reliability
Gull wing leads for high manufacturability and AOI
Repetitive avalanche rated
Applications
12 V automotive systems
Powertrain, chassis, body and infotainment applications
Medium/Low power motor drive
DC-DC systems
LED lighting
Parametrics
| Type number | Package version | Package name | Product status | Channel type | Nr of transistors | VDS [max] (V) | RDSon [max] @ VGS = 10 V (mΩ) | RDSon [max] @ VGS = 4.5 V; @25 C (mΩ) | Tj [max] (°C) | ID [max] (A) | QGD [typ] (nC) | QG(tot) [typ] @ VGS = 4.5 V (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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BUK9M8R5-40H | SOT1210 | LFPAK33 | Production | N | 1 | 40 | 8.5 | 11 | 175 | 40 | 2.1 | 9 | 20 | 59 | 15 | 1.77 | Y | 1286 | 345 | 2019-01-07 |
Package
| Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
|---|---|---|---|---|---|---|---|
| BUK9M8R5-40H | BUK9M8R5-40HX (934660808115) |
Active | 98H540 |
LFPAK33 (SOT1210) |
SOT1210 |
REFLOW_BG-BD-1
|
SOT1210_115 |
Environmental information
| Type number | Orderable part number | Chemical content | RoHS | RHF-indicator |
|---|---|---|---|---|
| BUK9M8R5-40H | BUK9M8R5-40HX | BUK9M8R5-40H |
|
|
Series
Documentation (17)
| File name | Title | Type | Date |
|---|---|---|---|
| BUK9M8R5-40H | N-channel 40 V, 8.5 mΩ logic level MOSFET in LFPAK33 | Data sheet | 2025-01-10 |
| AN90003 | LFPAK MOSFET thermal design guide | Application note | 2023-08-22 |
| AN90063 | Questions about package outline drawings | Application note | 2025-06-13 |
| SOT1210 | 3D model for products with SOT1210 package | Design support | 2017-06-30 |
| 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 |
| BUK9xxxx-40H_LTspice_V3 | BUK9xxxx-40H Precision ElectroThermal (PET) LTspice model | PET SPICE model | 2022-09-26 |
| 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 |
| BUK9M8R5-40H_SPICE | BUK9M8R5-40H SPICE model | SPICE model | 2019-01-31 |
| TN00008 | Power MOSFET frequently asked questions and answers | Technical note | 2024-08-09 |
| BUK9M8R5-40H_RCthermal | BUK9M8R5-40H RC thermal design | Thermal design | 2019-01-31 |
| BUK9M8R5-40H | BUK9M8R5-40H thermal model | Thermal model | 2019-01-31 |
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.
Longevity
The Nexperia Longevity Program is aimed to provide our customers information from time to time about the expected time that our products can be ordered. The NLP is reviewed and updated regularly by our Executive Management Team. View our longevity program here.
Models
| File name | Title | Type | Date |
|---|---|---|---|
| SOT1210 | 3D model for products with SOT1210 package | Design support | 2017-06-30 |
| BUK9xxxx-40H_LTspice_V3 | BUK9xxxx-40H Precision ElectroThermal (PET) LTspice model | PET SPICE model | 2022-09-26 |
| BUK9M8R5-40H_SPICE | BUK9M8R5-40H SPICE model | SPICE model | 2019-01-31 |
| BUK9M8R5-40H_RCthermal | BUK9M8R5-40H RC thermal design | Thermal design | 2019-01-31 |
| BUK9M8R5-40H | BUK9M8R5-40H thermal model | Thermal model | 2019-01-31 |
| 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 |
|---|---|---|---|---|---|---|
| BUK9M8R5-40H | BUK9M8R5-40HX | 934660808115 | Active | SOT1210_115 | 1,500 |
|
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.