Taiwan Semiconductor Corporation
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SF28GHA0G
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SF28GHA0G Product Overview

Introduction

The SF28GHA0G is a semiconductor product belonging to the category of Schottky diodes. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the SF28GHA0G.

Basic Information Overview

  • Category: Schottky diodes
  • Use: Rectification and voltage clamping in various electronic circuits
  • Characteristics: High current capability, low forward voltage drop, fast switching speed
  • Package: SOD-123FL
  • Essence: Semiconductor material with metal contacts
  • Packaging/Quantity: Tape and reel packaging, quantity varies by manufacturer

Specifications

  • Maximum Forward Voltage Drop: 0.45V at 2A
  • Reverse Voltage: 20V
  • Forward Current: 2A
  • Operating Temperature Range: -65°C to +125°C
  • Storage Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The SF28GHA0G has a standard SOD-123FL package with two pins. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Fast switching speed for high-frequency applications
  • Low forward voltage drop for efficient power conversion
  • High current capability for handling heavy loads

Advantages and Disadvantages

Advantages

  • Efficient power conversion due to low forward voltage drop
  • Suitable for high-frequency applications
  • Compact SOD-123FL package for space-constrained designs

Disadvantages

  • Limited reverse voltage rating compared to other diode types
  • Sensitivity to temperature variations affecting performance

Working Principles

The SF28GHA0G operates based on the Schottky barrier principle, where the metal-semiconductor junction allows for faster electron flow compared to conventional PN-junction diodes. This results in lower forward voltage drop and faster switching characteristics.

Detailed Application Field Plans

The SF28GHA0G finds applications in various electronic circuits, including: - Switching power supplies - Voltage clamping circuits - Reverse polarity protection - Signal demodulation circuits

Detailed and Complete Alternative Models

  • SF14G: Similar characteristics with lower forward current rating
  • SF30GHA0G: Higher reverse voltage rating with similar forward voltage drop
  • SS24: Lower forward voltage drop with slightly slower switching speed

In conclusion, the SF28GHA0G Schottky diode offers fast switching speed, low forward voltage drop, and high current capability, making it suitable for a wide range of electronic applications.

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기술 솔루션에 SF28GHA0G 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is SF28GHA0G?

    • SF28GHA0G is a high-speed, low-capacitance silicon transient voltage suppressor (TVS) diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD).

  2. What are the key features of SF28GHA0G?

    • The key features of SF28GHA0G include a low clamping voltage, fast response time, low leakage current, and high surge capability.

  3. How does SF28GHA0G protect electronic circuits?

    • SF28GHA0G diverts excessive current away from sensitive components by providing a low-impedance path to ground during transient voltage events, thereby safeguarding the circuitry.

  4. In what applications can SF28GHA0G be used?

    • SF28GHA0G is commonly used in telecommunications equipment, industrial control systems, automotive electronics, and other applications where protection against voltage surges is critical.

  5. What is the maximum working voltage of SF28GHA0G?

    • The maximum working voltage of SF28GHA0G is typically 28 volts, making it suitable for protecting low-voltage electronic systems.

  6. Does SF28GHA0G comply with industry standards?

    • Yes, SF28GHA0G complies with industry standards such as IEC 61000-4-2 for ESD protection and IEC 61000-4-5 for surge protection.

  7. What is the operating temperature range of SF28GHA0G?

    • SF28GHA0G is designed to operate within a wide temperature range, typically from -55°C to 150°C, ensuring its suitability for various environmental conditions.

  8. Can SF28GHA0G be used in high-frequency applications?

    • Yes, SF28GHA0G's low capacitance makes it suitable for high-frequency applications without introducing significant signal distortion.

  9. How should SF28GHA0G be mounted on a PCB?

    • SF28GHA0G should be mounted close to the protected circuitry, with short traces to minimize inductance and ensure effective transient voltage suppression.

  10. Are there any recommended layout guidelines for using SF28GHA0G?

    • Yes, it is recommended to follow the layout guidelines provided in the datasheet to optimize the performance of SF28GHA0G and ensure reliable protection of the electronic system.