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MUR490E
Introduction
The MUR490E is a diode belonging to the category of rectifier diodes. It is commonly used in power supply and rectification circuits due to its high efficiency and fast switching characteristics. This entry provides an overview of the MUR490E, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
Basic Information Overview
- Category: Rectifier Diode
- Use: Power supply and rectification circuits
- Characteristics: High efficiency, fast switching
- Package: TO-220AC
- Essence: Silicon rectifier diode
- Packaging/Quantity: Typically available in reels or tubes containing multiple units
Specifications
- Voltage Rating: 90V
- Current Rating: 4A
- Forward Voltage Drop: 0.95V at 4A
- Reverse Recovery Time: 35ns
- Operating Temperature Range: -65°C to 175°C
Detailed Pin Configuration
The MUR490E has a standard TO-220AC package with three pins: 1. Anode (A) 2. Cathode (K) 3. Not connected (NC)
Functional Features
- Fast reverse recovery time
- Low forward voltage drop
- High current capability
- High surge current capability
Advantages and Disadvantages
Advantages
- High efficiency
- Fast switching
- High surge current capability
- Reliable performance in power supply applications
Disadvantages
- Higher forward voltage drop compared to Schottky diodes
- Limited to lower voltage applications
Working Principles
The MUR490E operates based on the principle of rectification, allowing current flow in only one direction. When a positive voltage is applied to the anode with respect to the cathode, the diode conducts, allowing current to flow. In reverse bias, the diode blocks the current flow.
Detailed Application Field Plans
The MUR490E is widely used in the following applications: - Switching power supplies - Rectification circuits in electronic devices - Motor control circuits - LED lighting power supplies
Detailed and Complete Alternative Models
Some alternative models to the MUR490E include: - MUR460 - MUR810 - MUR1560
In summary, the MUR490E is a reliable rectifier diode suitable for various power supply and rectification applications, offering high efficiency and fast switching characteristics. Its specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models make it a versatile component in electronic circuits.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng MUR490E trong giải pháp kỹ thuật
What is MUR490E?
- MUR490E is a high-efficiency, ultrafast diode commonly used in power supply and rectifier applications.
What are the key features of MUR490E?
- The key features of MUR490E include its ultrafast recovery time, low forward voltage drop, and high surge current capability.
In what technical solutions can MUR490E be used?
- MUR490E can be used in various technical solutions such as switch-mode power supplies, freewheeling diodes, and reverse battery protection circuits.
What are the advantages of using MUR490E in technical solutions?
- The advantages of using MUR490E include reduced switching losses, improved efficiency, and enhanced reliability in high-frequency applications.
What is the maximum operating temperature for MUR490E?
- The maximum operating temperature for MUR490E is typically around 175°C, making it suitable for high-temperature environments.
Can MUR490E handle high current levels?
- Yes, MUR490E is designed to handle high surge currents, making it suitable for demanding applications where high current levels are present.
Is MUR490E suitable for fast-switching applications?
- Yes, MUR490E's ultrafast recovery time makes it well-suited for fast-switching applications, such as inverter and motor drive circuits.
What is the typical reverse recovery time of MUR490E?
- The typical reverse recovery time of MUR490E is in the range of nanoseconds, allowing for efficient and rapid switching.
Does MUR490E have a low leakage current?
- Yes, MUR490E is designed with low leakage current characteristics, which is beneficial for minimizing power loss in standby or low-power modes.
Are there any specific layout considerations when using MUR490E in technical solutions?
- It is important to consider proper thermal management and layout design to ensure optimal performance and reliability when using MUR490E in technical solutions.