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1N4745A-TP
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1N4745A-TP

Introduction

The 1N4745A-TP is a semiconductor device belonging to the category of Zener diodes. This component is widely used in electronic circuits for voltage regulation and protection due to its specific characteristics.

Basic Information Overview

  • Category: Zener Diode
  • Use: Voltage Regulation and Protection
  • Characteristics: Reverse breakdown voltage, low impedance, and precise voltage regulation
  • Package: Axial Lead
  • Essence: Semiconductor device for voltage regulation
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Voltage Range: 16V
  • Power Dissipation: 1.0W
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +200°C
  • Storage Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4745A-TP Zener diode has an axial lead package with two leads. The cathode is typically marked by a black band around one end of the diode.

Functional Features

  • Voltage Regulation: The 1N4745A-TP maintains a constant voltage across its terminals when operated in the reverse breakdown region.
  • Overvoltage Protection: It provides protection against voltage spikes by diverting excess current away from sensitive components.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Low impedance
  • Compact size

Disadvantages

  • Limited power dissipation capability
  • Sensitivity to temperature variations

Working Principles

The 1N4745A-TP operates based on the principle of the Zener effect, where it maintains a nearly constant voltage drop across its terminals when reverse biased. This allows it to regulate voltage within a specific range.

Detailed Application Field Plans

The 1N4745A-TP finds extensive use in various electronic applications, including: - Voltage regulators in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4745A-TP include: - 1N4731A-TP - 1N4733A-TP - 1N4735A-TP - 1N4737A-TP

In summary, the 1N4745A-TP Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and functional features make it suitable for a wide range of applications.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 1N4745A-TP dalam solusi teknis

  1. What is the 1N4745A-TP?

    • The 1N4745A-TP is a 16V, 1W Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What are the typical applications of the 1N4745A-TP?

    • It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits in various electronic devices and systems.

  3. What is the maximum power dissipation of the 1N4745A-TP?

    • The maximum power dissipation of the 1N4745A-TP is 1 watt.

  4. What is the voltage tolerance of the 1N4745A-TP?

    • The voltage tolerance of the 1N4745A-TP is typically +/- 5%.

  5. How does the 1N4745A-TP function as a voltage regulator?

    • The 1N4745A-TP operates in reverse-biased breakdown mode, maintaining a nearly constant voltage across its terminals when the applied voltage is within its specified range.

  6. Can the 1N4745A-TP be used for overvoltage protection?

    • Yes, the 1N4745A-TP can be used to protect sensitive components from overvoltage by shunting excess voltage to ground once the breakdown voltage is reached.

  7. What are the key electrical characteristics of the 1N4745A-TP?

    • Key characteristics include its breakdown voltage of 16V, maximum forward voltage of 1.2V at 200mA, and reverse leakage current of 5μA at 12V.

  8. Is the 1N4745A-TP suitable for low-power applications?

    • Yes, the 1N4745A-TP's 1W power rating makes it suitable for low-power applications such as sensor circuits and small electronic devices.

  9. What are the temperature considerations for the 1N4745A-TP?

    • The 1N4745A-TP has an operating temperature range of -65°C to +200°C, making it suitable for a wide range of environments.

  10. Are there any common failure modes or issues associated with the 1N4745A-TP?

    • Common issues include exceeding the maximum power dissipation, exceeding the maximum current, or operating outside the specified temperature range, which can lead to device failure.