Vishay Semiconductor Diodes Division
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SML4743HE3/61
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SML4743HE3/61 - Diode Encyclopedia Entry

Introduction

The SML4743HE3/61 is a diode belonging to the category of semiconductor devices. 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: Semiconductor Devices
  • Use: Rectification and signal modulation in electronic circuits
  • Characteristics: High efficiency, low forward voltage drop, fast switching speed
  • Package: DO-214AC (SMA), SOD-123FL
  • Essence: A rectifier diode designed for general-purpose applications
  • Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

  • Forward Voltage Drop: 0.72V at 1A
  • Reverse Voltage: 50V
  • Forward Current: 1A
  • Reverse Recovery Time: 35ns
  • Operating Temperature Range: -65°C to +150°C
  • Storage Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The SML4743HE3/61 diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Fast switching speed for high-frequency applications
  • Low forward voltage drop for energy-efficient operation
  • High current capability for various circuit designs

Advantages and Disadvantages

Advantages

  • Efficient rectification of AC signals
  • Suitable for high-frequency applications
  • Compact package for space-constrained designs

Disadvantages

  • Limited reverse voltage tolerance compared to other diodes
  • Higher forward voltage drop than Schottky diodes

Working Principles

The SML4743HE3/61 operates based on the principle of unidirectional current flow, allowing it to efficiently rectify alternating current into direct current. When forward-biased, it conducts current with minimal voltage drop, making it suitable for various electronic applications.

Detailed Application Field Plans

The SML4743HE3/61 diode finds applications in: - Power supplies - Voltage regulation circuits - Signal demodulation - Switching power converters - LED lighting systems

Detailed and Complete Alternative Models

Some alternative diode models to consider include: - 1N4001: General-purpose rectifier diode - 1N5819: Schottky diode for low forward voltage applications - 1N4148: Fast switching diode for signal modulation

In conclusion, the SML4743HE3/61 diode offers efficient rectification and signal modulation capabilities, making it suitable for a wide range of electronic applications. Its compact package and high current capability make it a versatile component in circuit design.

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기술 솔루션에 SML4743HE3/61 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the maximum forward current of SML4743HE3/61?

    • The maximum forward current of SML4743HE3/61 is 1A.

  2. What is the reverse standoff voltage of SML4743HE3/61?

    • The reverse standoff voltage of SML4743HE3/61 is 43V.

  3. Can SML4743HE3/61 be used for overvoltage protection in power supplies?

    • Yes, SML4743HE3/61 can be used for overvoltage protection in power supplies due to its transient voltage suppression capabilities.

  4. What is the peak pulse power dissipation of SML4743HE3/61?

    • The peak pulse power dissipation of SML4743HE3/61 is 3000W.

  5. Is SML4743HE3/61 suitable for surge protection in automotive electronics?

    • Yes, SML4743HE3/61 is suitable for surge protection in automotive electronics due to its high surge capability.

  6. What are the typical applications of SML4743HE3/61 in telecommunication equipment?

    • SML4743HE3/61 is commonly used for protecting telecommunication equipment such as modems, routers, and communication interfaces from voltage transients.

  7. Does SML4743HE3/61 meet industry standards for transient voltage suppressor devices?

    • Yes, SML4743HE3/61 meets industry standards such as IEC 61000-4-5 for transient voltage suppressor devices.

  8. Can SML4743HE3/61 be used for ESD protection in consumer electronics?

    • Yes, SML4743HE3/61 can be used for electrostatic discharge (ESD) protection in consumer electronics like smartphones, tablets, and laptops.

  9. What is the operating temperature range of SML4743HE3/61?

    • The operating temperature range of SML4743HE3/61 is -55°C to 150°C, making it suitable for a wide range of environments.

  10. How does SML4743HE3/61 compare to other transient voltage suppressors in terms of performance and reliability?

    • SML4743HE3/61 offers high performance and reliability compared to other transient voltage suppressors, making it a preferred choice for various technical solutions.