1N4747AGE3 - Semiconductor Diode

Basic Information Overview

Category: Semiconductor Diode
Use: Voltage regulation and rectification
Characteristics: Zener diode, low leakage current, high reliability
Package: Axial leaded, DO-41 package
Essence: Regulates voltage by maintaining a constant output voltage
Packaging/Quantity: Typically available in reels of 2000 units

Specifications

Voltage: 20V
Power Dissipation: 1W
Zener Voltage Tolerance: ±5%
Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4747AGE3 is an axial leaded diode with two leads. The cathode is marked with a black band.

Functional Features

Maintains a constant voltage across its terminals when reverse biased
Protects circuits from overvoltage conditions
Low dynamic resistance allows for accurate voltage regulation

Advantages and Disadvantages

Advantages

Precise voltage regulation
High reliability
Low leakage current

Disadvantages

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

Working Principles

The 1N4747AGE3 operates based on the Zener effect, where it maintains a nearly constant voltage drop across its terminals when reverse biased. This allows it to regulate voltage in electronic circuits.

Detailed Application Field Plans

Voltage regulation in power supplies
Overvoltage protection in electronic circuits
Signal clamping and limiting

Detailed and Complete Alternative Models

1N4733A: 5.1V Zener diode
1N4739A: 9.1V Zener diode
BZX55C20: 20V Zener diode

This information provides a comprehensive overview of the 1N4747AGE3 semiconductor diode, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4747AGE3 v technických řešeních

What is the 1N4747AGE3 diode used for?
- The 1N4747AGE3 diode is commonly used as a voltage regulator in various technical solutions.
What is the maximum voltage rating of the 1N4747AGE3 diode?
- The maximum voltage rating of the 1N4747AGE3 diode is 20 volts.
What is the typical current rating for the 1N4747AGE3 diode?
- The typical current rating for the 1N4747AGE3 diode is 1 watt.
How does the 1N4747AGE3 diode regulate voltage?
- The 1N4747AGE3 diode regulates voltage by maintaining a constant voltage drop across its terminals, regardless of changes in input voltage or load conditions.
Can the 1N4747AGE3 diode be used in reverse polarity protection circuits?
- Yes, the 1N4747AGE3 diode can be used in reverse polarity protection circuits to prevent damage from reverse voltage.
What are some common applications of the 1N4747AGE3 diode?
- Common applications of the 1N4747AGE3 diode include voltage regulation in power supplies, voltage reference circuits, and signal conditioning circuits.
What is the temperature range for the 1N4747AGE3 diode?
- The 1N4747AGE3 diode typically operates within a temperature range of -65°C to +200°C.
Does the 1N4747AGE3 diode require a heat sink for certain applications?
- In high-power applications, the 1N4747AGE3 diode may require a heat sink to dissipate excess heat and maintain proper operation.
Is the 1N4747AGE3 diode suitable for automotive electronics applications?
- Yes, the 1N4747AGE3 diode is suitable for automotive electronics applications due to its rugged construction and wide operating temperature range.
Are there any potential failure modes to consider when using the 1N4747AGE3 diode?
- Potential failure modes to consider include overvoltage conditions, excessive current, and thermal stress, which can affect the diode's performance and reliability.