Taiwan Semiconductor Corporation
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1N4755A R0G
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1N4755A R0G

Product Overview

Category

The 1N4755A R0G belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 27V
  • Power dissipation: 1.3W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C
  • Tolerance: ±5%

Package

The 1N4755A R0G is typically available in bulk packaging or tape and reel, with quantities varying based on supplier and customer requirements.

Specifications

  • Zener voltage: 27V
  • Power dissipation: 1.3W
  • Maximum forward voltage: 1.1V
  • Reverse current: 5µA
  • Temperature coefficient: 5mV/°C

Detailed Pin Configuration

The 1N4755A R0G has two pins, anode (A) and cathode (K), which are identified by the polarity band on the diode body.

Functional Features

  • Voltage regulation: The 1N4755A R0G maintains a constant voltage across its terminals, making it suitable for stabilizing voltage in electronic circuits.
  • Overvoltage protection: It prevents excessive voltage from reaching sensitive components by diverting excess current.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Sensitivity to temperature changes

Working Principles

The 1N4755A R0G operates based on the Zener effect, where it begins conducting current in reverse bias at a specific voltage, providing a stable voltage drop across its terminals.

Detailed Application Field Plans

The 1N4755A R0G is widely used in: - Voltage regulators - Power supplies - Overvoltage protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4755A R0G include: - 1N4749A - 1N4761A - BZX85C27

In conclusion, the 1N4755A R0G Zener diode offers precise voltage regulation and overvoltage protection, making it a crucial component in various electronic applications.

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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του 1N4755A R0G σε τεχνικές λύσεις

  1. What is the 1N4755A R0G?

    • The 1N4755A R0G is a Zener diode with a voltage rating of 39V and a power rating of 1W.

  2. What are the typical applications of 1N4755A R0G?

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

  3. What is the maximum current that can flow through 1N4755A R0G?

    • The maximum current for reliable operation is typically around 40-50 mA.

  4. How does 1N4755A R0G provide voltage regulation?

    • It operates in the reverse breakdown region, maintaining a nearly constant voltage across its terminals.

  5. Can 1N4755A R0G be used for overvoltage protection?

    • Yes, it can be used to shunt excess voltage away from sensitive components in a circuit.

  6. What are the key specifications to consider when using 1N4755A R0G?

    • Key specifications include its voltage rating, power dissipation, and maximum current.

  7. Is it necessary to use a heat sink with 1N4755A R0G?

    • It depends on the application and the amount of power dissipation. In some cases, a heat sink may be required.

  8. Can 1N4755A R0G be used in automotive electronics?

    • Yes, it can be used in automotive applications where voltage regulation or overvoltage protection is needed.

  9. What are the temperature considerations for 1N4755A R0G?

    • It is important to consider the operating and storage temperature ranges to ensure proper performance.

  10. Are there any alternatives to 1N4755A R0G for similar applications?

    • Yes, other Zener diodes with comparable voltage and power ratings can be considered as alternatives.