SMC Diode Solutions
Gambar mungkin merupakan representasi.
Lihat spesifikasi untuk detail produk.
1SMA4744TR
Lihat Detail Lembar Data

1SMA4744TR

Product Overview

Category

The 1SMA4744TR 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 1SMA4744TR is typically available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

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

Detailed Pin Configuration

The 1SMA4744TR 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 1SMA4744TR 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 1SMA4744TR 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 1SMA4744TR include: - 1N4744A - BZX85C15 - P6SMB15CA

In conclusion, the 1SMA4744TR is a surface mount silicon zener diode with a Zener voltage of 15V and a power dissipation of 1.5W. It finds applications in various electronic circuits for voltage regulation and transient suppression. While it offers advantages such as precise voltage regulation and a small form factor, it also has limitations in power dissipation and sensitivity to overvoltage conditions. Understanding its specifications, pin configuration, functional features, and application field plans can help in effectively utilizing this component in electronic designs.

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 1SMA4744TR dalam solusi teknis

  1. What is 1SMA4744TR?

    • 1SMA4744TR is a surface mount silicon zener diode designed for voltage regulation and transient overvoltage protection in a wide range of applications.

  2. What is the maximum power dissipation of 1SMA4744TR?

    • The maximum power dissipation of 1SMA4744TR is 1.5 watts.

  3. What is the operating voltage range of 1SMA4744TR?

    • 1SMA4744TR has an operating voltage range from 6.8V to 200V.

  4. What are the typical applications of 1SMA4744TR?

    • Typical applications of 1SMA4744TR include voltage clamping, surge suppression, and transient voltage protection in electronic circuits.

  5. What is the forward voltage drop of 1SMA4744TR?

    • The forward voltage drop of 1SMA4744TR is typically 1.2V at a forward current of 20mA.

  6. What is the reverse standoff voltage of 1SMA4744TR?

    • The reverse standoff voltage of 1SMA4744TR is 6.8V.

  7. What is the temperature coefficient of 1SMA4744TR?

    • The temperature coefficient of 1SMA4744TR is typically 0.07% per °C.

  8. Is 1SMA4744TR RoHS compliant?

    • Yes, 1SMA4744TR is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  9. What is the package type of 1SMA4744TR?

    • 1SMA4744TR is available in a DO-214AC (SMA) package.

  10. What are the storage and operating temperature ranges for 1SMA4744TR?

    • The storage temperature range for 1SMA4744TR is -55°C to +150°C, and the operating temperature range is -55°C to +150°C.