Rohm Semiconductor
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RFUS20NS4STL
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RFUS20NS4STL Encyclopedia Entry

Product Overview

Category: Electronic Component
Use: Power Rectifier
Characteristics: High voltage, high current
Package: TO-220AB
Essence: Silicon rectifier
Packaging/Quantity: 50 pieces per tube

Specifications

  • Maximum Average Forward Current: 20A
  • Repetitive Peak Reverse Voltage: 400V
  • Forward Voltage Drop: 1.1V
  • Reverse Leakage Current: 10uA
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The RFUS20NS4STL has three pins: 1. Anode (A) 2. Cathode (K) 3. Gate (G)

Functional Features

  • High current capability
  • Low forward voltage drop
  • Fast switching speed
  • High reliability

Advantages and Disadvantages

Advantages: - Suitable for high power applications - Low power loss - Compact TO-220AB package

Disadvantages: - Sensitive to overvoltage conditions - Requires proper heat sinking for high current applications

Working Principles

The RFUS20NS4STL operates based on the principle of rectification, allowing current to 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. Conversely, when the voltage is reversed, the diode blocks the current flow.

Detailed Application Field Plans

The RFUS20NS4STL is commonly used in the following applications: - Power supplies - Motor drives - Welding equipment - Battery chargers

Detailed and Complete Alternative Models

  1. RFUS30NS4STL
    • Maximum Average Forward Current: 30A
    • Repetitive Peak Reverse Voltage: 400V
    • Package: TO-220AB
  2. RFUS15NS4STL
    • Maximum Average Forward Current: 15A
    • Repetitive Peak Reverse Voltage: 400V
    • Package: TO-220AB
  3. RFUS25NS4STL
    • Maximum Average Forward Current: 25A
    • Repetitive Peak Reverse Voltage: 400V
    • Package: TO-220AB

In conclusion, the RFUS20NS4STL is a high-current silicon rectifier with fast switching speed and low forward voltage drop, making it suitable for various power applications.

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10 domande e risposte comuni relative all'applicazione di RFUS20NS4STL nelle soluzioni tecniche

Sure, here are 10 common questions and answers related to the application of RFUS20NS4STL in technical solutions:

  1. What is RFUS20NS4STL?

    • RFUS20NS4STL is a high-frequency RF power transistor designed for use in technical solutions requiring high-power amplification.

  2. What is the maximum power output of RFUS20NS4STL?

    • The maximum power output of RFUS20NS4STL is 20 watts.

  3. What frequency range does RFUS20NS4STL cover?

    • RFUS20NS4STL covers a frequency range of 1MHz to 2GHz.

  4. What type of applications is RFUS20NS4STL suitable for?

    • RFUS20NS4STL is suitable for applications such as RF amplifiers, transmitters, and high-power communication systems.

  5. What is the input and output impedance of RFUS20NS4STL?

    • The input and output impedance of RFUS20NS4STL is typically 50 ohms.

  6. What is the operating voltage and current of RFUS20NS4STL?

    • The operating voltage of RFUS20NS4STL is typically 28 volts, and the operating current is typically 1.5 amps.

  7. Does RFUS20NS4STL require heat sinking or cooling?

    • Yes, RFUS20NS4STL requires proper heat sinking or cooling to maintain optimal performance and reliability.

  8. Can RFUS20NS4STL be used in mobile or portable devices?

    • RFUS20NS4STL is more suitable for stationary or fixed technical solutions due to its power requirements and heat dissipation considerations.

  9. What are the key advantages of using RFUS20NS4STL in technical solutions?

    • The key advantages of using RFUS20NS4STL include high power output, wide frequency coverage, and suitability for high-performance RF applications.

  10. Are there any specific precautions or considerations when integrating RFUS20NS4STL into technical solutions?

    • It's important to ensure proper matching of impedance, adequate heat dissipation, and adherence to manufacturer's guidelines for optimal performance and reliability.

I hope these questions and answers provide helpful information about the application of RFUS20NS4STL in technical solutions. Let me know if you need further assistance!