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1SMA4745-GT3TR
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1SMA4745-GT3TR

Product Overview

Category

The 1SMA4745-GT3TR belongs to the category of semiconductor devices, specifically a Zener diode.

Use

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

Characteristics

  • Voltage Regulation: Provides stable voltage output under varying load conditions.
  • Transient Voltage Suppression: Protects sensitive components from voltage spikes.
  • Small Size: Compact form factor suitable for integration into various electronic devices.

Package

The 1SMA4745-GT3TR is typically available in a surface-mount package, making it suitable for automated assembly processes.

Essence

The essence of this product lies in its ability to regulate voltage and protect electronic components from voltage transients, ensuring reliable operation of electronic circuits.

Packaging/Quantity

It is commonly supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

  • Voltage: 16V
  • Power Dissipation: 1.5W
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +150°C
  • Package Type: SMA

Detailed Pin Configuration

The 1SMA4745-GT3TR typically features two pins, with the anode and cathode connections clearly labeled for easy integration into circuit designs.

Functional Features

  • Voltage Regulation: Maintains a constant voltage across the diode under specified operating conditions.
  • Transient Voltage Suppression: Diverts excess voltage away from sensitive components, protecting them from damage.
  • Fast Response Time: Rapidly clamps transient voltages to safe levels, minimizing the risk of damage to connected circuits.

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Effective transient voltage suppression
  • Compact form factor

Disadvantages

  • Limited power dissipation capability
  • Voltage tolerance may not be suitable for all applications

Working Principles

The 1SMA4745-GT3TR operates based on the principle of Zener breakdown, where it maintains a nearly constant voltage drop across its terminals when reverse biased, effectively regulating the voltage across the circuit.

Detailed Application Field Plans

Power Supply Regulation

The diode can be used in power supply circuits to maintain a stable output voltage, ensuring consistent performance of connected devices.

Transient Protection

In electronic systems, it can be employed to protect sensitive components from voltage spikes induced by external factors such as lightning or electromagnetic interference.

Detailed and Complete Alternative Models

  • 1N4745A: A through-hole Zener diode alternative with similar voltage and power dissipation ratings.
  • BZX84C16: SMD Zener diode with comparable voltage regulation capabilities.

In conclusion, the 1SMA4745-GT3TR Zener diode offers reliable voltage regulation and transient voltage suppression, making it a valuable component in various electronic circuits.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af 1SMA4745-GT3TR i tekniske løsninger

Sure, here are 10 common questions and answers related to the application of 1SMA4745-GT3TR in technical solutions:

  1. What is the maximum reverse stand-off voltage of 1SMA4745-GT3TR?

    • The maximum reverse stand-off voltage of 1SMA4745-GT3TR is 45V.

  2. What is the peak pulse power dissipation of 1SMA4745-GT3TR?

    • The peak pulse power dissipation of 1SMA4745-GT3TR is 400W.

  3. What are the typical applications of 1SMA4745-GT3TR?

    • Typical applications of 1SMA4745-GT3TR include overvoltage protection in various electronic circuits, such as power supplies, communication systems, and automotive electronics.

  4. What is the breakdown voltage of 1SMA4745-GT3TR?

    • The breakdown voltage of 1SMA4745-GT3TR is typically 50V.

  5. Can 1SMA4745-GT3TR be used for ESD protection?

    • Yes, 1SMA4745-GT3TR can be used for electrostatic discharge (ESD) protection in sensitive electronic components and circuits.

  6. What is the operating temperature range of 1SMA4745-GT3TR?

    • The operating temperature range of 1SMA4745-GT3TR is -55°C to 150°C.

  7. Is 1SMA4745-GT3TR RoHS compliant?

    • Yes, 1SMA4745-GT3TR is RoHS compliant, making it suitable for use in environmentally friendly electronic products.

  8. What package type does 1SMA4745-GT3TR come in?

    • 1SMA4745-GT3TR is available in a DO-214AC (SMA) package.

  9. What is the forward voltage drop of 1SMA4745-GT3TR at a specified current?

    • The forward voltage drop of 1SMA4745-GT3TR is typically 0.9V at a forward current of 10A.

  10. Can 1SMA4745-GT3TR be used for surge protection in power lines?

    • Yes, 1SMA4745-GT3TR can be used for surge protection in power lines and other high-voltage applications due to its high peak pulse power dissipation and low clamping voltage characteristics.