Vishay Semiconductor Diodes Division
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1N4757A-TR
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1N4757A-TR

Product Overview

The 1N4757A-TR is a Zener diode belonging to the semiconductor category. It is commonly used for voltage regulation and transient suppression in electronic circuits. This diode exhibits stable and reliable characteristics, making it suitable for various applications. The package type for the 1N4757A-TR is DO-41, and it is available in tape and reel packaging with a quantity of 5000 units per reel.

Specifications

  • Voltage: 43V
  • Power Dissipation: 1.0W
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +200°C

Pin Configuration

The 1N4757A-TR has a standard DO-41 package with two leads. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.

Functional Features

The 1N4757A-TR provides a stable voltage reference, ensuring that the voltage across it remains constant under varying load conditions. It also offers protection against voltage spikes and transients, safeguarding sensitive components in the circuit.

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Protection against voltage transients
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Higher voltage tolerance compared to precision Zener diodes

Working Principles

The 1N4757A-TR operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased. This allows it to regulate the voltage in a circuit and protect other components from voltage fluctuations.

Application Field Plans

The 1N4757A-TR finds extensive use in various electronic devices and systems, including: - Power supplies - Voltage regulators - Overvoltage protection circuits - Signal conditioning circuits

Alternative Models

For those seeking alternatives to the 1N4757A-TR, the following models can be considered: - 1N4749A-TR - 1N4763A-TR - BZX84C43LT1G

In conclusion, the 1N4757A-TR Zener diode serves as a reliable voltage regulator and transient suppressor in electronic circuits, offering stable performance and protection against voltage fluctuations. Its wide application field and availability of alternative models make it a versatile choice for various design requirements.

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技術ソリューションにおける 1N4757A-TR の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the 1N4757A-TR?

    • The 1N4757A-TR is a Zener diode with a voltage rating of 43 volts and a power dissipation of 1 watt.

  2. What are the typical applications of the 1N4757A-TR?

    • The 1N4757A-TR is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.

  3. What is the maximum current that can flow through the 1N4757A-TR?

    • The maximum current for the 1N4757A-TR is typically around 40 mA.

  4. How does the 1N4757A-TR provide voltage regulation?

    • The 1N4757A-TR operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.

  5. Can the 1N4757A-TR be used for overvoltage protection?

    • Yes, the 1N4757A-TR can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.

  6. What are the key specifications to consider when using the 1N4757A-TR in a circuit?

    • Key specifications include the voltage rating, power dissipation, and maximum current to ensure proper operation.

  7. Are there any temperature considerations when using the 1N4757A-TR?

    • Yes, the 1N4757A-TR's performance can be affected by temperature, so it's important to consider its temperature coefficient and operating range.

  8. Can multiple 1N4757A-TR diodes be connected in series or parallel?

    • Yes, multiple 1N4757A-TR diodes can be connected in series to increase the breakdown voltage or in parallel to handle higher currents.

  9. What are some common alternatives to the 1N4757A-TR?

    • Common alternatives include other Zener diodes with similar voltage ratings and power dissipation capabilities.

  10. Where can I find detailed application notes for using the 1N4757A-TR in technical solutions?

    • Detailed application notes can often be found in the manufacturer's datasheet or application guides, providing specific guidance on incorporating the 1N4757A-TR into various circuits.