Overview
The BUK9Y40-55B/C3,115 is an N-channel TrenchMOS logic level MOSFET produced by Nexperia USA Inc. This device is part of Nexperia's extensive portfolio of power MOSFETs, known for their high efficiency and reliability. The BUK9Y40-55B is designed to meet the demands of various applications, including automotive, industrial, and consumer electronics, with a focus on low conduction losses and high thermal performance.
Key Specifications
| Parameter | Value |
|---|---|
| Type number | BUK9Y40-55B |
| Package | LFPAK56; Power-SO8 (SOT669) |
| Channel type | N-channel |
| VDS [max] (V) | 55 |
| RDSon [max] @ VGS = 10 V (mΩ) | 36 |
| RDSon [max] @ VGS = 5 V (mΩ) | 40 |
| RDSon [max] @ VGS = 4.5 V; @25°C (mΩ) | 45 |
| Tj [max] (°C) | 175 |
| ID [max] (A) | 26 |
| QGD [typ] (nC) | 5 |
| Ptot [max] (W) | 59 |
| Qr [typ] (nC) | 25 |
| VGSth [typ] (V) | 1.5 |
| Automotive qualified | Yes |
| Ciss [typ] (pF) | 765 |
| Coss [typ] (pF) | 123 |
Key Features
- Low conduction losses due to low on-state resistance (RDSon)
- Suitable for logic level gate drive sources
- Automotive qualified (Q101 compliant)
- High thermal performance with a maximum junction temperature of 175°C
- Low gate threshold voltage (VGSth) of 1.5 V
- High continuous drain current (ID) of 26 A
Applications
The BUK9Y40-55B/C3,115 MOSFET is versatile and can be used in a variety of applications, including:
- Automotive systems: Suitable for automotive qualified applications due to its Q101 compliance.
- Industrial power systems: Ideal for high-power switching and motor control.
- Consumer electronics: Used in power supplies, DC-DC converters, and other high-efficiency power management systems.
- Power computing and server systems: Enhances efficiency and reliability in high-power computing environments.
Q & A
- What is the maximum drain-source voltage (VDS) of the BUK9Y40-55B?
The maximum drain-source voltage (VDS) is 55 V. - What is the typical on-state resistance (RDSon) at VGS = 10 V?
The typical on-state resistance (RDSon) at VGS = 10 V is 36 mΩ. - Is the BUK9Y40-55B automotive qualified?
Yes, the BUK9Y40-55B is automotive qualified and Q101 compliant. - What is the maximum junction temperature (Tj) of the BUK9Y40-55B?
The maximum junction temperature (Tj) is 175°C. - What is the continuous drain current (ID) of the BUK9Y40-55B?
The continuous drain current (ID) is 26 A. - What package type does the BUK9Y40-55B come in?
The BUK9Y40-55B comes in the LFPAK56; Power-SO8 (SOT669) package. - What are some common applications of the BUK9Y40-55B?
Common applications include automotive systems, industrial power systems, consumer electronics, and power computing and server systems. - What is the typical gate threshold voltage (VGSth) of the BUK9Y40-55B?
The typical gate threshold voltage (VGSth) is 1.5 V. - How can I obtain the datasheet and other technical documents for the BUK9Y40-55B?
You can obtain the datasheet and other technical documents from Nexperia's official website or through authorized distributors. - Is the BUK9Y40-55B suitable for logic level gate drive sources?
Yes, the BUK9Y40-55B is suitable for logic level gate drive sources.
