Taiwan Semiconductor Corporation
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1SMA4757 R3G
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1SMA4757 R3G

Product Overview

Category

The 1SMA4757 R3G belongs to the category of semiconductor devices.

Use

It is commonly used for voltage clamping and transient suppression in electronic circuits.

Characteristics

  • Low leakage current
  • High surge capability
  • Fast response time

Package

The 1SMA4757 R3G is typically available in a DO-214AC (SMA) package.

Essence

This product serves as a protective component in electronic circuits, safeguarding against voltage spikes and transients.

Packaging/Quantity

It is usually supplied in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: [Insert value]
  • Breakdown Voltage: [Insert value]
  • Maximum Clamping Voltage: [Insert value]
  • Operating Temperature Range: [Insert range]

Detailed Pin Configuration

The 1SMA4757 R3G typically consists of two pins, with the anode and cathode connections clearly labeled.

Functional Features

  • Voltage clamping
  • Transient suppression
  • Protection against electrical surges

Advantages

  • Fast response time
  • High surge capability
  • Low leakage current

Disadvantages

  • Limited power dissipation capability
  • Sensitive to overvoltage conditions

Working Principles

When a voltage spike occurs, the 1SMA4757 R3G conducts current to divert the excess energy away from sensitive components, thereby protecting the circuit.

Detailed Application Field Plans

Automotive Electronics

Used in automotive control units to protect sensitive electronics from voltage transients.

Telecommunications

Employed in telecommunications equipment to safeguard against lightning-induced surges.

Industrial Control Systems

Utilized in industrial control systems to provide protection against power line disturbances.

Detailed and Complete Alternative Models

  • 1SMA4748 R3G
  • 1SMA4760 R3G
  • 1SMA4782 R3G

In conclusion, the 1SMA4757 R3G is a vital component in electronic circuits, providing essential protection against voltage spikes and transients. Its fast response time and high surge capability make it a valuable asset in various applications, despite its limitations in power dissipation.

רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של 1SMA4757 R3G בפתרונות טכניים

  1. What is 1SMA4757 R3G?

    • 1SMA4757 R3G is a surface mount, high-power transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

  2. What is the maximum peak pulse power of 1SMA4757 R3G?

    • The maximum peak pulse power of 1SMA4757 R3G is 500 watts.

  3. What is the breakdown voltage of 1SMA4757 R3G?

    • The breakdown voltage of 1SMA4757 R3G is 57 volts.

  4. What are the typical applications of 1SMA4757 R3G?

    • Typical applications of 1SMA4757 R3G include protection of telecommunications equipment, automotive electronics, industrial control systems, and consumer electronics from voltage surges.

  5. What is the operating temperature range of 1SMA4757 R3G?

    • The operating temperature range of 1SMA4757 R3G is -55°C to +150°C.

  6. What is the package type of 1SMA4757 R3G?

    • 1SMA4757 R3G comes in a DO-214AC (SMA) package.

  7. What is the clamping voltage of 1SMA4757 R3G?

    • The clamping voltage of 1SMA4757 R3G at 10A is typically 77.4 volts.

  8. Does 1SMA4757 R3G comply with RoHS requirements?

    • Yes, 1SMA4757 R3G is compliant with RoHS (Restriction of Hazardous Substances) requirements.

  9. What is the lead-free status of 1SMA4757 R3G?

    • 1SMA4757 R3G is lead-free and meets the requirements of the European Union's RoHS directive.

  10. Is 1SMA4757 R3G suitable for high-speed data lines protection?

    • Yes, 1SMA4757 R3G is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces from voltage transients.