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1SMA4758TR
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1SMA4758TR

Product Overview

Category

The 1SMA4758TR belongs to the category of surface mount silicon zener diodes.

Use

These diodes are primarily used for voltage regulation and transient suppression in electronic circuits.

Characteristics

  • Low leakage current
  • High reliability
  • Fast response time
  • Wide operating temperature range

Package

The 1SMA4758TR is typically available in a SMA package, which is designed for easy handling and high reliability.

Essence

The essence of the 1SMA4758TR lies in its ability to provide precise voltage regulation and protect electronic components from voltage spikes.

Packaging/Quantity

The 1SMA4758TR is commonly packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Zener Voltage: 15V
  • Power Dissipation: 1.5W
  • Forward Voltage: 1.2V
  • Reverse Leakage Current: 5µA
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The 1SMA4758TR typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Precise voltage regulation
  • Transient suppression
  • Protection of sensitive electronic components

Advantages

  • High reliability
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Higher cost compared to standard diodes

Working Principles

The 1SMA4758TR operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when reverse biased.

Detailed Application Field Plans

The 1SMA4758TR is commonly used in: - Power supplies - Voltage regulators - Surge protection circuits - Electronic equipment requiring precise voltage control

Detailed and Complete Alternative Models

Some alternative models to the 1SMA4758TR include: - 1N4744A - BZX85C15 - MMSZ5245B

In conclusion, the 1SMA4758TR is a reliable surface mount silicon zener diode that offers precise voltage regulation and transient suppression, making it suitable for various electronic applications.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de 1SMA4758TR em soluções técnicas

  1. What is 1SMA4758TR?

    • 1SMA4758TR is a surface mount, bidirectional TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients and surges.

  2. What is the maximum working voltage of 1SMA4758TR?

    • The maximum working voltage of 1SMA4758TR is 58V.

  3. What is the peak pulse power of 1SMA4758TR?

    • The peak pulse power of 1SMA4758TR is 400W.

  4. What are the typical applications of 1SMA4758TR?

    • Typical applications of 1SMA4758TR include protection of electronic circuits in telecommunications equipment, industrial controls, consumer electronics, and automotive systems.

  5. What is the operating temperature range of 1SMA4758TR?

    • The operating temperature range of 1SMA4758TR is -55°C to +150°C.

  6. What is the package type of 1SMA4758TR?

    • 1SMA4758TR comes in a DO-214AC (SMA) package.

  7. What is the clamping voltage of 1SMA4758TR?

    • The clamping voltage of 1SMA4758TR at 10A is typically 77.4V.

  8. Is 1SMA4758TR RoHS compliant?

    • Yes, 1SMA4758TR is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  9. Can 1SMA4758TR be used for ESD protection?

    • Yes, 1SMA4758TR can be used for ESD (electrostatic discharge) protection in various electronic devices and systems.

  10. What are the key features of 1SMA4758TR?

    • The key features of 1SMA4758TR include low clamping voltage, fast response time, bidirectional protection, and compatibility with automated placement equipment.