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1SMA4745TR
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1SMA4745TR

Product Overview

Category

The 1SMA4745TR belongs to the category of surface mount silicon zener diodes.

Use

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

Characteristics

  • Zener voltage: 15V
  • Power dissipation: 1.5W
  • Package type: SMA
  • RoHS compliant

Packaging/Quantity

The 1SMA4745TR is typically available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

  • Zener Voltage: 15V
  • Power Dissipation: 1.5W
  • Forward Voltage: 1.2V
  • Reverse Leakage Current: 5µA
  • Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The 1SMA4745TR has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Precise voltage regulation
  • Fast response time
  • High power dissipation capability

Advantages

  • Small form factor
  • RoHS compliant
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation compared to larger diodes
  • Sensitive to overvoltage conditions

Working Principles

The 1SMA4745TR 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 1SMA4745TR is widely used in: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Surge suppression in communication equipment

Detailed and Complete Alternative Models

Some alternative models to the 1SMA4745TR include: - 1N4745A - BZX85C15 - P6SMB15CA

In conclusion, the 1SMA4745TR is a surface mount silicon zener diode with a zener voltage of 15V and a power dissipation of 1.5W. It is commonly used for voltage regulation and transient suppression in various electronic circuits, offering precise voltage regulation and fast response time. While it has advantages such as a small form factor and wide operating temperature range, it also has limitations in power dissipation and sensitivity to overvoltage conditions. Its working principle is based on the Zener effect, and it finds applications in power supplies, electronic circuits, and communication equipment. Additionally, alternative models such as 1N4745A, BZX85C15, and P6SMB15CA can be considered for similar functionalities.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1SMA4745TR en soluciones técnicas

  1. What is 1SMA4745TR?

    • 1SMA4745TR is a surface mount silicon zener diode designed for voltage regulation and transient protection in a wide range of applications.

  2. What is the voltage rating of 1SMA4745TR?

    • The voltage rating of 1SMA4745TR is 16V.

  3. What are the typical applications of 1SMA4745TR?

    • Typical applications of 1SMA4745TR include voltage clamping, surge suppression, and transient voltage protection in electronic circuits.

  4. What is the power dissipation of 1SMA4745TR?

    • The power dissipation of 1SMA4745TR is 1.5W.

  5. What is the maximum forward voltage of 1SMA4745TR?

    • The maximum forward voltage of 1SMA4745TR is 1.5V at 200mA.

  6. What is the operating temperature range of 1SMA4745TR?

    • The operating temperature range of 1SMA4745TR is -55°C to +150°C.

  7. Is 1SMA4745TR RoHS compliant?

    • Yes, 1SMA4745TR is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. What is the package type of 1SMA4745TR?

    • 1SMA4745TR is available in a SMA (DO-214AC) package.

  9. Does 1SMA4745TR have low leakage current?

    • Yes, 1SMA4745TR has low leakage current, which is essential for maintaining circuit integrity.

  10. Can 1SMA4745TR be used for ESD protection?

    • Yes, 1SMA4745TR can be used for electrostatic discharge (ESD) protection in various electronic devices and systems.