Features
-
Fully automotive qualified to AEC-Q101:
- 175 °C rating suitable for thermally demanding environments
-
Trench 9 Superjunction technology:
- Reduced cell pitch enables enhanced power density and efficiency with lower RDSon in same footprint
- Improved SOA and avalanche capability compared to standard TrenchMOS
- Tight VGS(th) limits enable easy paralleling of MOSFETs
-
LFPAK Gull Wing leads:
- High Board Level Reliability absorbing mechanical stress during thermal cycling, unlike traditional QFN packages
- Visual (AOI) soldering inspection, no need for expensive x-ray equipment
- Easy solder wetting for good mechanical solder joint
-
LFPAK copper clip technology:
- Improved reliability, with reduced Rth and RDSon
- Increases maximum current capability and improved current spreading
Target applications
- 12 V automotive systems
- Motors, lamps and solenoid control
- Start-Stop micro-hybrid applications
- Transmission control
- Ultra high performance power switching
Parametrics
| Type number | Package version | Package name | Product status | Channel type | Number 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) | Date |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BUK7Y3R5-40H | SOT669 | LFPAK56; Power-SO8 | Production | N | 1 | 40 | 3.5 | 175 | 120 | 6 | 31 | 115 | 16 | 3 | Y | 2294 | 682 | 2017-07-04 |
Package
| Type number | Package | Outline version | Reflow-/Wave soldering | Packing | Status | Marking | Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|---|
| BUK7Y3R5-40H |  LFPAK56; Power-SO8 (SOT669) | SOT669 | Reel 7" Q1/T1 | Active | 73H540 | BUK7Y3R5-40HX ( 9346 600 66115 ) |
Quality, reliability & chemical content
| Type number | Orderable part number | Chemical content | RoHS / RHF | Leadfree conversion date | MSL | MSL leadfree |
|---|---|---|---|---|---|---|
| BUK7Y3R5-40H | BUK7Y3R5-40HX | BUK7Y3R5-40H |
Documentation (18)
| File name | Title | Type | Date |
|---|---|---|---|
| BUK7Y3R5-40H | N-channel 40 V, 3.5 mΩ standard level MOSFET in LFPAK56 | Data sheet | 2018-05-11 |
| AN10273 | Power MOSFET single-shot and repetitive avalanche ruggedness rating | Application note | 2015-12-10 |
| AN10874 | LFPAK MOSFET thermal design guide | Application note | 2018-04-24 |
| AN11113 | LFPAK MOSFET thermal design guide - Part 2 | Application note | 2018-04-24 |
| AN11158 | Understanding power MOSFET data sheet parameters | Application note | 2014-02-04 |
| AN11160 | Designing RC Snubbers | Application note | 2012-10-01 |
| AN11156 | Using Power MOSFET Zth Curves | Application note | 2012-10-10 |
| AN11243 | Failure signature of Electrical Overstress on Power MOSFETs | Application note | 2017-12-21 |
| AN11261 | Using RC Thermal Models | Application note | 2014-05-19 |
| AN11599 | Using power MOSFETs in parallel | Application note | 2016-07-13 |
| AN90001 | Designing in MOSFETs for safe and reliable gate-drive operation | Application note | 2017-05-05 |
| Nexperia_document_leaflet_LFPAK56_201805 | The automotive Power-SO8 that packs a punch | Leaflet | 2018-07-03 |
| BUK7Y3R5-40H | BUK7Y3R5-40H | SPICE model | 2017-08-11 |
| TN00008 | Power MOSFET frequently asked questions and answers | Technical note | 2018-09-12 |
| BUK7Y3R5-40H_RCthermal | BUK7Y3R5-40H_RCthermal | Thermal design | 2017-08-11 |
| nexperia-engineers-handbook | The Power MOSFET Application Handbook | User manual | 2017-04-04 |
| SOT669_115 | LFPAK56; Reel pack; SMD, 7" Q1/T1 standard product orientation Orderable part number ending ,115 or X Ordering code (12NC) ending 115 | Packing | 2016-09-09 |
| SOT669 | plastic, single-ended surface-mounted package; 4 terminals | Outline drawing | 2018-07-10 |
Support
Find answers to your design questions on this page. If available you can find information in our Nexperia Support Community or you can find Nexperia models and Design tools.
Models
| File name | Title | Type | Date |
|---|---|---|---|
| BUK7Y3R5-40H | BUK7Y3R5-40H | SPICE model | 2017-08-11 |
| BUK7Y3R5-40H_RCthermal | BUK7Y3R5-40H_RCthermal | Thermal design | 2017-08-11 |
Ordering
| Distributor | Buy online |
|---|---|
| Arrow Electronics | Buy online |
| Avnet Express | Buy online |
| Chip One Stop | Buy online |
| DigiKey | Buy online |
| Farnell Europe | Buy online |
| Future Electronics | Buy online |
| Mouser Electronics | Buy online |
| Newark | Buy online |
| Newark element14 | Buy online |
| Rochester Electronics | Buy online |
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.