Vishay Semiconductor Diodes Division
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UGB18BCT-E3/81
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UGB18BCT-E3/81

Introduction

The UGB18BCT-E3/81 is a semiconductor product belonging to the category of power MOSFETs. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Power MOSFET
  • Use: Power switching applications
  • Characteristics: High efficiency, low on-resistance, fast switching speed
  • Package: TO-263AB
  • Essence: Silicon-based power MOSFET
  • Packaging/Quantity: Tape & Reel, 800 units per reel

Specifications

  • Voltage Rating: 100V
  • Current Rating: 18A
  • On-Resistance: 9.5mΩ
  • Gate Charge: 16nC
  • Operating Temperature Range: -55°C to 175°C

Detailed Pin Configuration

  1. Source (S)
  2. Gate (G)
  3. Drain (D)

Functional Features

  • High efficiency due to low on-resistance
  • Fast switching speed for improved performance
  • Enhanced thermal characteristics for reliability

Advantages and Disadvantages

Advantages

  • Low on-resistance leads to reduced power losses
  • Fast switching speed improves overall system efficiency
  • Excellent thermal characteristics enhance reliability

Disadvantages

  • Higher gate charge compared to some alternative models
  • Limited voltage rating compared to higher voltage MOSFETs

Working Principles

The UGB18BCT-E3/81 operates based on the principle of field-effect transistors, where the voltage applied to the gate terminal controls the flow of current between the source and drain terminals. When the gate-source voltage exceeds the threshold, the MOSFET enters the conducting state, allowing current to flow through.

Detailed Application Field Plans

The UGB18BCT-E3/81 is suitable for various power switching applications, including: - DC-DC converters - Motor control systems - Power supplies - Inverters

Detailed and Complete Alternative Models

Some alternative models to UGB18BCT-E3/81 include: - UGB20BCT-E3/81: Similar specifications with higher current rating - UGB18BCT-E4/81: Improved thermal characteristics with similar electrical performance - UGB18BCT-E3/82: Lower gate charge for faster switching speed

In conclusion, the UGB18BCT-E3/81 power MOSFET offers high efficiency, fast switching speed, and reliable performance, making it suitable for various power switching applications.

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10 domande e risposte comuni relative all'applicazione di UGB18BCT-E3/81 nelle soluzioni tecniche

  1. What is the UGB18BCT-E3/81 used for in technical solutions?

    • The UGB18BCT-E3/81 is a high-power, ultrafast rectifier diode commonly used in power supply and energy conversion applications.

  2. What are the key specifications of the UGB18BCT-E3/81?

    • The UGB18BCT-E3/81 has a maximum repetitive reverse voltage of 1800V, a forward current of 20A, and a fast recovery time.

  3. How does the UGB18BCT-E3/81 compare to other rectifier diodes in terms of performance?

    • The UGB18BCT-E3/81 offers high efficiency and low forward voltage drop, making it suitable for high-frequency and high-power applications.

  4. What are the typical applications of the UGB18BCT-E3/81 in technical solutions?

    • The UGB18BCT-E3/81 is commonly used in power factor correction circuits, motor drives, inverters, and welding equipment.

  5. What are the thermal characteristics of the UGB18BCT-E3/81?

    • The UGB18BCT-E3/81 features low thermal resistance and is designed to operate at high temperatures, making it suitable for demanding industrial environments.

  6. Does the UGB18BCT-E3/81 require any special cooling or heat dissipation methods?

    • Depending on the application and operating conditions, proper heat sinking or thermal management may be necessary to ensure optimal performance and reliability.

  7. Are there any recommended circuit designs or application notes available for the UGB18BCT-E3/81?

    • Yes, the manufacturer provides detailed application notes and reference designs to assist engineers in implementing the UGB18BCT-E3/81 in various technical solutions.

  8. What are the potential challenges or limitations when using the UGB18BCT-E3/81 in technical solutions?

    • Users should be mindful of voltage transients, reverse recovery characteristics, and appropriate snubber circuitry to mitigate potential issues.

  9. Can the UGB18BCT-E3/81 be used in parallel configurations to handle higher currents?

    • Yes, the UGB18BCT-E3/81 can be paralleled to increase the current-handling capability, but careful attention must be paid to ensure balanced current sharing.

  10. Where can I find reliable sourcing for the UGB18BCT-E3/81 and related components?

    • Authorized distributors and reputable electronics suppliers often carry the UGB18BCT-E3/81 and associated components, ensuring genuine products and reliable support.