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1N4756A-TR
Product Overview
The 1N4756A-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 1N4756A-TR is axial-lead, and it is available in various packaging quantities to suit different application needs.
Specifications
- Voltage: 47V
- Power Dissipation: 1.0W
- Zener Voltage Tolerance: ±5%
- Operating Temperature Range: -65°C to +200°C
Pin Configuration
The 1N4756A-TR has a standard axial-lead package with two leads. The anode lead is typically longer than the cathode lead, allowing for easy identification and installation.
Functional Features
The 1N4756A-TR operates as a voltage regulator by maintaining a constant output voltage when subjected to varying input voltages. It achieves this by conducting current in reverse bias when the voltage across it exceeds the specified Zener voltage.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Low impedance
- High reliability
Disadvantages
- Limited power dissipation capability
- Susceptible to damage from excessive current or voltage spikes
Working Principles
When the voltage across the 1N4756A-TR exceeds its Zener voltage, it enters the breakdown region and begins conducting in the reverse direction. This action effectively stabilizes the output voltage, providing protection to the circuit components.
Application Field Plans
The 1N4756A-TR finds extensive use in various applications, including: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting
Alternative Models
For applications requiring similar functionality, alternative models to the 1N4756A-TR include: - 1N4732A-TR (4.7V) - 1N4744A-TR (15V) - 1N4763A-TR (91V)
In conclusion, the 1N4756A-TR Zener diode offers precise voltage regulation and protection in electronic circuits, making it a valuable component in a wide range of applications.
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Liste 10 perguntas e respostas comuns relacionadas à aplicação de 1N4756A-TR em soluções técnicas
What is the 1N4756A-TR?
- The 1N4756A-TR is a Zener diode with a voltage rating of 47 volts and a power rating of 1 watt.
What are the typical applications of the 1N4756A-TR?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that can flow through the 1N4756A-TR?
- The maximum current for the 1N4756A-TR is typically around 40 mA.
How does the 1N4756A-TR provide voltage regulation?
- The Zener diode conducts current in reverse-bias at a specific voltage, providing a stable output voltage across its terminals.
Can the 1N4756A-TR be used for overvoltage protection?
- Yes, it can be used to clamp the voltage at a specific level, protecting sensitive components from overvoltage conditions.
What are the key specifications to consider when using the 1N4756A-TR in a circuit?
- Key specifications include the voltage rating, power rating, and maximum current to ensure proper functionality.
Are there any temperature considerations when using the 1N4756A-TR?
- Yes, the temperature coefficient of the Zener voltage should be taken into account to ensure stable performance across temperature variations.
Can multiple 1N4756A-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 load.
What are the typical failure modes of the 1N4756A-TR?
- Common failure modes include thermal runaway, excessive current, and voltage spikes.
Are there any alternatives to the 1N4756A-TR for similar applications?
- Yes, other Zener diodes with comparable voltage and power ratings can be considered as alternatives for specific applications.