Vishay Semiconductor Diodes Division
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1N4755A-TR
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1N4755A-TR

Product Overview

The 1N4755A-TR is a Zener diode belonging to the semiconductor category. It is commonly used for voltage regulation and protection in electronic circuits. This diode exhibits characteristics such as stable voltage output, low impedance, and high reliability. The package type for the 1N4755A-TR is DO-41, and it is available in various packaging quantities to suit different application needs.

Specifications

  • Voltage: 36V
  • Power Dissipation: 1.0W
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +200°C

Pin Configuration

The 1N4755A-TR has a standard DO-41 package with two leads. The anode is connected to one lead, while the cathode is connected to the other lead.

Functional Features

The primary function of the 1N4755A-TR is to maintain a constant voltage across its terminals, even when subjected to varying input voltages or load conditions. This makes it ideal for voltage regulation and transient voltage suppression applications.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Low impedance
  • High reliability
  • Wide operating temperature range

Disadvantages

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

Working Principles

The 1N4755A-TR operates based on the Zener effect, where it maintains a nearly constant voltage drop across its terminals when it is reverse-biased and operated at or above its breakdown voltage.

Application Field Plans

The 1N4755A-TR finds extensive use in various electronic circuits, including: - Voltage regulation in power supplies - Overvoltage protection in automotive electronics - Signal clamping in communication systems - Surge suppression in industrial equipment

Alternative Models

For applications requiring similar voltage regulation capabilities, alternative models to the 1N4755A-TR include: - 1N4739A-TR (9.1V) - 1N4742A-TR (12V) - 1N4763A-TR (56V)

In conclusion, the 1N4755A-TR Zener diode offers precise voltage regulation and protection in a compact DO-41 package, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4755A-TR v technických řešeních

Sure, here are 10 common questions and answers related to the application of 1N4755A-TR:

  1. What is the 1N4755A-TR?

    • The 1N4755A-TR is a Zener diode with a voltage rating of 36V and a power rating of 1W.

  2. What are the typical applications of the 1N4755A-TR?

    • It is commonly used in voltage regulation, overvoltage protection, and voltage reference circuits.

  3. What is the maximum current that can flow through the 1N4755A-TR?

    • The maximum current for the 1N4755A-TR is typically around 40mA.

  4. How does the 1N4755A-TR provide voltage regulation?

    • The Zener diode conducts current in reverse-bias at its breakdown voltage, providing a constant voltage drop across it.

  5. Can the 1N4755A-TR be used for overvoltage protection?

    • Yes, it can be used to clamp the voltage at a specific level, protecting sensitive components from overvoltage.

  6. What are the key parameters to consider when selecting the 1N4755A-TR for a circuit?

    • Key parameters include the breakdown voltage, power rating, and maximum current.

  7. What is the temperature coefficient of the 1N4755A-TR?

    • The temperature coefficient is typically around -2mV/°C, indicating a relatively stable voltage over temperature.

  8. Can multiple 1N4755A-TR diodes be connected in series or parallel?

    • Yes, they can be connected in series to increase the breakdown voltage or in parallel to share the current.

  9. What are the typical failure modes of the 1N4755A-TR?

    • Common failure modes include thermal runaway due to excessive power dissipation and voltage breakdown due to overcurrent.

  10. Are there any special considerations for PCB layout when using the 1N4755A-TR?

    • It's important to minimize trace lengths and keep the diode close to the components it is protecting to reduce parasitic inductance and ensure proper performance.

I hope these questions and answers are helpful! Let me know if you need further assistance.