Xem thông số kỹ thuật để biết chi tiết sản phẩm.
1N4747A R1G
Product Overview
Category
The 1N4747A R1G belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a fixed voltage across their terminals.
Use
This product is commonly used in electronic circuits for voltage regulation and protection against voltage spikes.
Characteristics
- Voltage regulation capability
- Reverse breakdown voltage of 20V
- Low dynamic impedance
- High reliability
Package
The 1N4747A R1G is typically available in a DO-41 package, which is a cylindrical through-hole package.
Essence
The essence of this product lies in its ability to provide stable voltage regulation in various electronic applications.
Packaging/Quantity
The 1N4747A R1G is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Reverse Breakdown Voltage: 20V
- Power Dissipation: 1.0W
- Operating Temperature Range: -65°C to +200°C
- Zener Impedance: 5Ω
Detailed Pin Configuration
The 1N4747A R1G has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.
Functional Features
- Voltage regulation
- Overvoltage protection
- Stability in varying temperature conditions
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Protection against voltage spikes
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Sensitive to temperature variations
Working Principles
The 1N4747A R1G operates based on the principle of the Zener effect, where it maintains a constant voltage drop across its terminals when operated in the reverse breakdown region.
Detailed Application Field Plans
This product finds extensive use in: - Voltage regulators - Power supplies - Electronic equipment protection circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4747A R1G include: - 1N4739A - 1N4742A - BZX55C20
In conclusion, the 1N4747A R1G Zener diode offers reliable voltage regulation and protection in various electronic applications, making it a crucial component in modern electronic circuit design.
[Word Count: 330]
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng 1N4747A R1G trong giải pháp kỹ thuật
What is the 1N4747A R1G?
- The 1N4747A R1G is a Zener diode with a voltage rating of 20V and a power rating of 1W.
What are the typical applications of the 1N4747A R1G?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
How does the 1N4747A R1G work in voltage regulation?
- When reverse biased, the Zener diode conducts current once the voltage across it reaches its breakdown voltage, effectively regulating the voltage across the circuit.
Can the 1N4747A R1G be used as a voltage reference?
- Yes, it can be used to provide a stable reference voltage in various electronic circuits.
What are the key specifications to consider when using the 1N4747A R1G?
- Important specifications include its voltage rating, power dissipation, and temperature coefficient.
How can the 1N4747A R1G be utilized for overvoltage protection?
- By placing the Zener diode in parallel with the load, it can clamp the voltage to its breakdown voltage, protecting the circuit from overvoltage conditions.
What are the typical operating conditions for the 1N4747A R1G?
- It is designed to operate within a specified range of temperatures and current levels, which should be considered in the circuit design.
Are there any limitations to using the 1N4747A R1G?
- While it is effective for many applications, it's important to consider its power dissipation and voltage tolerance to ensure proper functionality.
Can multiple 1N4747A R1G diodes be connected in series or parallel?
- Yes, they can be connected in series to increase the breakdown voltage or in parallel to increase the current-handling capability.
Where can I find detailed application notes for the 1N4747A R1G?
- Detailed application notes and circuit examples can often be found in the datasheet provided by the manufacturer or through reputable electronics resources.