Taiwan Semiconductor Corporation
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1N4757A R0G
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1N4757A R0G

Product Overview

Category:

The 1N4757A R0G belongs to the category of Zener diodes.

Use:

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

Characteristics:

  • Zener voltage: 43V
  • Power dissipation: 1W
  • Package type: DO-41
  • RoHS compliant

Packaging/Quantity:

The 1N4757A R0G is typically available in reels or bulk packaging, with quantities varying based on supplier and customer requirements.

Specifications

  • Zener Voltage: 43V
  • Power Dissipation: 1W
  • Operating Temperature Range: -65°C to +200°C
  • Storage Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4757A R0G Zener diode 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

  • Precise voltage regulation
  • Overvoltage protection
  • Low impedance at operating voltage

Advantages

  • Reliable voltage regulation
  • Robust construction
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Sensitivity to temperature variations

Working Principles

The 1N4757A R0G Zener diode operates by maintaining a constant voltage drop across its terminals when it is reverse-biased. This allows it to regulate the voltage in a circuit and protect sensitive components from overvoltage conditions.

Detailed Application Field Plans

The 1N4757A R0G is widely used in various applications such as: - Voltage regulators - Power supplies - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4757A R0G include: - 1N4749A - 1N4761A - BZX55C43

In conclusion, the 1N4757A R0G Zener diode is a reliable component for voltage regulation and protection in electronic circuits, offering precise functionality and a wide range of applications.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von 1N4757A R0G in technischen Lösungen auf

  1. What is the 1N4757A R0G?

    • The 1N4757A R0G is a Zener diode with a voltage rating of 43V and a power rating of 1W.

  2. What are the typical applications of the 1N4757A R0G?

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

  3. What is the maximum current that can flow through the 1N4757A R0G?

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

  4. How does the 1N4757A R0G provide voltage regulation?

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

  5. Can the 1N4757A R0G be used for overvoltage protection?

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

  6. What are the key parameters to consider when designing with the 1N4757A R0G?

    • Voltage rating, power dissipation, and current handling capability are crucial parameters to consider.

  7. Are there any temperature considerations when using the 1N4757A R0G?

    • Yes, the temperature coefficient of the Zener voltage should be taken into account for accurate performance across temperature variations.

  8. Can multiple 1N4757A R0G diodes be connected in series or parallel?

    • Yes, they can be connected in series to increase the total breakdown voltage or in parallel to increase the current-handling capability.

  9. What are the typical failure modes of the 1N4757A R0G?

    • Common failure modes include thermal runaway due to excessive power dissipation and overstress leading to permanent damage.

  10. Are there any alternatives to the 1N4757A R0G for similar applications?

    • Yes, other Zener diodes with comparable voltage and power ratings can be considered as alternatives, such as the 1N4730A or 1N4749A.