BUK7Y3R5-40E/S730X N-Channel Power MOSFET 40V 100A 3.5mΩ LFPAK56 Automotive AEC-Q101

BUK7Y3R5-40E/S730X Product Overview

The BUK7Y3R5-40E/S730X is an N-channel standard level power MOSFET, housed in an LFPAK56 (Power-SO8) package. Utilizing advanced TrenchMOS technology, the BUK7Y3R5-40E/S730X is designed for high-performance automotive and industrial applications. It features a 40V drain-source voltage (Vdss) and a continuous drain current (Id) of up to 100A, with a maximum on-resistance of only 3.5mΩ. The BUK7Y3R5-40E/S730X is AEC-Q101 qualified, making it suitable for high-power, high-reliability automotive electronics, industrial control, and power management applications.

BUK7Y3R5-40E/S730X Core Features

The BUK7Y3R5-40E/S730X is an N-channel standard level MOSFET in an LFPAK56 (Power-SO8) surface-mount package. It offers a 40V drain-source voltage (Vdss) and a continuous drain current (Id) of up to 100A (Tc=25°C). The maximum on-resistance (RDS(on)) for the BUK7Y3R5-40E/S730X is 3.5mΩ (@10V, 25A).

Typical gate charge (Qg) of the BUK7Y3R5-40E/S730X is 49.4nC (@10V), and input capacitance (Ciss) is 3583pF. Power dissipation (Pd) is rated at 167W.

The BUK7Y3R5-40E/S730X operates over a junction temperature range of -55℃ to +175℃. Its gate threshold voltage (Vgs(th)) is typically 3V (4V max @ 1mA), with a gate-source voltage (Vgs) of ±20V.

The BUK7Y3R5-40E/S730X is AEC-Q101 qualified and is repetitive avalanche rated. It is also RoHS compliant.

BUK7Y3R5-40E/S730X Applications

The BUK7Y3R5-40E/S730X is ideally suited for the following applications:

12V Automotive Systems: Power management and switching in various 12V automotive electronic devices

Motor, Lamp, and Solenoid Control: The BUK7Y3R5-40E/S730X drives motors, lighting systems, and solenoids in automotive applications

Transmission Control: Power switching in automotive transmission control units

DC-DC Converters: Power conversion modules benefit from the BUK7Y3R5-40E/S730X's low on-resistance

Industrial Control and Power Supplies: Motor control and switching power supplies in industrial equipment. The BUK7Y3R5-40E/S730X is the ideal choice for these demanding applications.

BUK7Y3R5-40E/S730X Key Advantages

The BUK7Y3R5-40E/S730X offers ultra-low 3.5mΩ on-resistance to minimize conduction losses and improve system efficiency. Its 100A high continuous drain current capability handles high-power loads. AEC-Q101 qualification and a 175℃ maximum junction temperature ensure the BUK7Y3R5-40E/S730X delivers long-term reliability in harsh automotive and industrial environments. The compact LFPAK56 package is ideal for space-constrained, high-density PCB designs. The repetitive avalanche rating enhances the device ruggedness and robustness of the BUK7Y3R5-40E/S730X. As an original Nexperia product, the BUK7Y3R5-40E/S730X offers a stable and reliable supply chain.

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FAQ

1. What is BUK7Y3R5-40E/S730X?
It is an N-channel power MOSFET, using TrenchMOS technology.

2. What are the key specifications of the BUK7Y3R5-40E/S730X?

• VDS: 40V

• ID: 100A

• RDS(on): 3.5mΩ max

• Power dissipation: 167W

3. What package does the BUK7Y3R5-40E/S730X use?
The BUK7Y3R5-40E/S730X uses LFPAK56 (also known as Power-SO8 or SOT-669).

4. What applications is the BUK7Y3R5-40E/S730X suitable for?
Automotive 12V systems, motor drives, lamp/solenoid control, DC-DC converters, etc.

5. Is the BUK7Y3R5-40E/S730X AEC-Q101 qualified?
Yes, the BUK7Y3R5-40E/S730X meets AEC-Q101 for automotive reliability.

6. What is the operating temperature range of the BUK7Y3R5-40E/S730X?
Junction temperature: -55°C to +175°C.

7. Is the switching speed of the BUK7Y3R5-40E/S730X fast?
Yes, typical turn-on delay is 13.6ns, turn-off delay is 30ns.

8. What are the gate charge and input capacitance of the BUK7Y3R5-40E/S730X?
Qg: 49.4nC, Ciss: 3583pF.

9. Are there alternative models for the BUK7Y3R5-40E/S730X?
VBED1402 (domestic alternative) or PSMN1R8-40YLC (Nexperia).

10. Is the BUK7Y3R5-40E/S730X RoHS compliant and available?
Yes, the BUK7Y3R5-40E/S730X is RoHS compliant