STD7NK40ZT4

Product Overview

• Category: Power MOSFET
• Use: Switching applications in power supplies, motor control, and lighting systems
• Characteristics: High voltage capability, low input capacitance, and fast switching speed
• Package: TO-252 (DPAK)
• Essence: N-channel enhancement mode power MOSFET
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Drain-Source Voltage (V_DSS): 400V
• Continuous Drain Current (I_D): 7A
• On-State Resistance (R_DS(on)): 1.25Ω
• Gate Threshold Voltage (V_GS(th)): 2-4V
• Total Gate Charge (Q_G): 15nC
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The STD7NK40ZT4 MOSFET has three pins: 1. Gate (G): Input pin for controlling the switching operation 2. Drain (D): Output pin connected to the load 3. Source (S): Ground reference for the MOSFET

Functional Features

• Fast switching speed for efficient power conversion
• Low input capacitance for reduced switching losses
• High voltage capability for versatile applications
• Enhanced thermal performance for reliability

Advantages and Disadvantages

Advantages

• High voltage capability enables use in various power applications
• Low input capacitance reduces switching losses
• Fast switching speed improves efficiency
• Enhanced thermal performance ensures reliability

Disadvantages

• Higher on-state resistance compared to some alternative models
• Gate threshold voltage range may limit compatibility with certain drive circuits

Working Principles

The STD7NK40ZT4 operates based on the principles of field-effect transistors. When a suitable voltage is applied to the gate terminal, it creates an electric field that controls the flow of current between the drain and source terminals. This enables the MOSFET to act as a switch, allowing or blocking the flow of power through the device.

Detailed Application Field Plans

The STD7NK40ZT4 is well-suited for various applications, including: - Power supplies - Motor control systems - Lighting systems - Inverters - DC-DC converters

Detailed and Complete Alternative Models

Some alternative models to consider include: - STP7NK40ZFP - IRF840 - FDP8870

In conclusion, the STD7NK40ZT4 power MOSFET offers high voltage capability, fast switching speed, and low input capacitance, making it suitable for diverse power applications. While it has advantages such as enhanced thermal performance and efficiency, potential limitations include its on-state resistance and gate threshold voltage range. Understanding its specifications, pin configuration, functional features, and application field plans can aid in effectively utilizing this MOSFET in various electronic designs.