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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.
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4747AGE3 en soluciones técnicas
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.