Taiwan Semiconductor Corporation
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1SMA4745 R3G
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1SMA4745 R3G

Product Overview

Category

The 1SMA4745 R3G belongs to the category of semiconductor devices.

Use

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

Characteristics

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

Package

The 1SMA4745 R3G is typically available in a DO-214AC (SMA) package.

Essence

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

Packaging/Quantity

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

Specifications

  • Peak Power Dissipation: 400W
  • Breakdown Voltage: 16V
  • Maximum Reverse Leakage Current: 1µA
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1SMA4745 R3G typically consists of two pins, with the anode and cathode connections clearly labeled.

Functional Features

  • Transient voltage suppression
  • Overvoltage protection
  • ESD protection

Advantages and Disadvantages

Advantages

  • Effective voltage regulation
  • Fast response to transient events
  • Compact form factor

Disadvantages

  • Limited power dissipation capability
  • Sensitive to reverse overvoltage conditions

Working Principles

When a voltage spike or transient occurs, the 1SMA4745 R3G conducts and shunts the excess energy to protect downstream components.

Detailed Application Field Plans

The 1SMA4745 R3G finds extensive use in various applications, including: - Consumer electronics - Automotive electronics - Industrial control systems - Telecommunications equipment

Detailed and Complete Alternative Models

  • 1SMA4744 R3G
  • 1SMA4746 R3G
  • 1SMA4747 R3G

In conclusion, the 1SMA4745 R3G is a vital component in electronic circuit protection, offering efficient transient voltage suppression and overvoltage protection. Its compact size and fast response make it suitable for a wide range of applications, although its limitations in power dissipation and sensitivity to reverse overvoltage conditions should be considered during design and implementation.

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10 pirs û bersivên hevpar ên têkildarî sepana 1SMA4745 R3G di çareseriyên teknîkî de navnîş bikin

  1. What is 1SMA4745 R3G?

    • 1SMA4745 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 1SMA4745 R3G?

    • The maximum peak pulse power of 1SMA4745 R3G is 500 watts.

  3. What is the breakdown voltage of 1SMA4745 R3G?

    • The breakdown voltage of 1SMA4745 R3G is 45 volts.

  4. What are the typical applications of 1SMA4745 R3G?

    • Typical applications of 1SMA4745 R3G include protection of telecommunications equipment, automotive electronics, industrial control systems, and consumer electronics from voltage transients.

  5. What is the operating temperature range of 1SMA4745 R3G?

    • The operating temperature range of 1SMA4745 R3G is -55°C to +150°C.

  6. What is the package type of 1SMA4745 R3G?

    • 1SMA4745 R3G comes in a DO-214AC (SMA) package.

  7. What is the clamping voltage of 1SMA4745 R3G?

    • The clamping voltage of 1SMA4745 R3G at 10A is 77.4 volts.

  8. Is 1SMA4745 R3G RoHS compliant?

    • Yes, 1SMA4745 R3G is RoHS compliant.

  9. What are the key features of 1SMA4745 R3G?

    • Key features of 1SMA4745 R3G include low clamping voltage, fast response time, and high surge capability.

  10. What are the recommended soldering conditions for 1SMA4745 R3G?

    • The recommended soldering conditions for 1SMA4745 R3G include a soldering temperature of 260°C for 10 seconds.