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444CNQ040
Product Overview
The 444CNQ040 is a high-performance Schottky diode belonging to the power semiconductor category. It is commonly used in power supply applications, rectifiers, and other high-frequency switching circuits. The diode exhibits low forward voltage drop, fast switching speed, and high current capability. It is typically packaged in a compact and durable package, providing efficient thermal performance. The essence of the 444CNQ040 lies in its ability to handle high power levels while maintaining low power losses. It is usually available in tape and reel packaging with varying quantities to suit different production needs.
Specifications
- Voltage Rating: 40V
- Current Rating: 40A
- Package Type: TO-263
- Operating Temperature Range: -55°C to 175°C
- Forward Voltage Drop: 0.65V at 20A
Detailed Pin Configuration
The 444CNQ040 features a standard TO-263 package with three pins: the anode, cathode, and the thermal pad for efficient heat dissipation.
Functional Features
- Low forward voltage drop
- High current capability
- Fast switching speed
- Efficient thermal performance
Advantages and Disadvantages
Advantages
- Low power losses
- High power handling capability
- Compact and durable package
- Suitable for high-frequency switching circuits
Disadvantages
- Limited reverse voltage rating compared to some alternative models
- Sensitive to overvoltage conditions
Working Principles
The 444CNQ040 operates based on the Schottky barrier principle, where the metal-semiconductor junction allows for fast switching and low forward voltage drop. This enables efficient energy conversion and minimizes power losses in high-power applications.
Detailed Application Field Plans
The 444CNQ040 finds extensive use in various applications such as: - Power supplies - Rectifiers - High-frequency switching circuits - Voltage clamping circuits - DC-DC converters
Detailed and Complete Alternative Models
Some alternative models to the 444CNQ040 include: - 1N5822 - SS34 - SB540 - MBRB1545CT
In conclusion, the 444CNQ040 is a versatile and high-performance Schottky diode suitable for a wide range of power supply and high-frequency switching applications. Its combination of low forward voltage drop, high current capability, and efficient thermal performance make it a popular choice among design engineers.
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What is 444CNQ040?
- 444CNQ040 is a Schottky diode designed for use in high-frequency applications and power supplies.
What are the key features of 444CNQ040?
- The key features include low forward voltage drop, high-frequency operation, and high current capability.
What are the typical applications of 444CNQ040?
- Typical applications include switch-mode power supplies, freewheeling diodes, and reverse battery protection.
What is the maximum forward voltage of 444CNQ040?
- The maximum forward voltage is typically around 0.65V at a forward current of 20A.
What is the reverse recovery time of 444CNQ040?
- The reverse recovery time is typically around 35ns.
What is the maximum junction temperature of 444CNQ040?
- The maximum junction temperature is typically 150°C.
What is the package type of 444CNQ040?
- The package type is TO-263.
What are the thermal characteristics of 444CNQ040?
- The thermal resistance from junction to case is typically 3.5°C/W.
What are the storage and operating temperature ranges for 444CNQ040?
- The storage temperature range is -65°C to 175°C, and the operating temperature range is -55°C to 150°C.
What are the recommended mounting techniques for 444CNQ040?
- It is recommended to use a proper heatsink and follow the manufacturer's guidelines for mounting and soldering.