1N4731A - Semiconductor Diode

Product Overview

Use

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

Characteristics

Forward Voltage: 1.0V
Power Dissipation: 1.0W
Zener Voltage: 4.3V
Operating Temperature: -65°C to +200°C

Package

The 1N4731A is typically available in a DO-41 axial leaded package.

Essence

This diode is essential for maintaining stable voltage levels in electronic circuits.

Packaging/Quantity

It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

Zener Voltage: 4.3V
Power Dissipation: 1.0W
Maximum Forward Voltage: 1.0V
Maximum Reverse Current: 5μA
Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4731A has two leads, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

Voltage Regulation: The 1N4731A maintains a constant voltage across its terminals, making it suitable for voltage regulation applications.
Reverse Voltage Protection: It provides protection against reverse voltage, preventing damage to the circuitry.

Advantages

Precise Voltage Regulation: The diode offers accurate voltage regulation, ensuring stability in electronic circuits.
Compact Size: Its small form factor makes it suitable for space-constrained applications.

Disadvantages

Limited Current Handling: The diode may have limitations in handling high current levels.
Sensitivity to Temperature: Its performance may be affected by extreme temperature variations.

Working Principles

The 1N4731A operates based on the principle of the Zener effect, where it allows current to flow in the reverse direction when the voltage reaches the specified Zener voltage, providing a stable output voltage.

Detailed Application Field Plans

The 1N4731A is widely used in: - Voltage Regulator Circuits - Power Supplies - Overvoltage Protection Circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4731A include: - 1N4728A (3.3V Zener Voltage) - 1N4732A (4.7V Zener Voltage) - 1N4733A (5.1V Zener Voltage)

In conclusion, the 1N4731A semiconductor diode is a crucial component in electronic circuits, offering precise voltage regulation and protection against reverse voltage. Its compact size and wide application field make it a versatile choice for various electronic designs.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 1N4731A dalam solusi teknis

What is 1N4731A?
- 1N4731A is a silicon planar power Zener diode used for voltage regulation in electronic circuits.
What is the voltage rating of 1N4731A?
- The voltage rating of 1N4731A is 4.3 volts.
What are the typical applications of 1N4731A?
- 1N4731A is commonly used for voltage regulation, voltage reference, and surge suppression in various electronic circuits.
What is the maximum power dissipation of 1N4731A?
- The maximum power dissipation of 1N4731A is 1.0 watt.
What is the operating temperature range of 1N4731A?
- The operating temperature range of 1N4731A is typically -65°C to +200°C.
How does 1N4731A function as a voltage regulator?
- 1N4731A functions as a voltage regulator by maintaining a constant output voltage across its terminals, even when there are variations in input voltage or load current.
Can 1N4731A be used for overvoltage protection?
- Yes, 1N4731A can be used for overvoltage protection by diverting excessive voltage away from sensitive components in a circuit.
What are the key characteristics of 1N4731A?
- Some key characteristics of 1N4731A include its low dynamic impedance, sharp breakdown voltage, and high reliability.
Is 1N4731A suitable for automotive applications?
- Yes, 1N4731A is suitable for automotive applications where voltage regulation and transient protection are required.
Are there any precautions to consider when using 1N4731A?
- It's important to ensure proper heat dissipation, avoid exceeding the maximum ratings, and follow recommended soldering and handling practices when using 1N4731A.