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1N4747G R0G
Product Overview
Category
The 1N4747G R0G belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Zener voltage: 20V
- Power dissipation: 1W
- Package type: DO-41
- Operating temperature range: -65°C to +200°C
- Storage temperature range: -65°C to +200°C
Packaging/Quantity
The 1N4747G R0G is typically available in reels or bulk packaging, with quantities varying based on supplier and customer requirements.
Specifications
- Zener voltage: 20V
- Power dissipation: 1W
- Maximum forward voltage: 1.2V
- Reverse current: 5μA
- Temperature coefficient: 0.05%/°C
Detailed Pin Configuration
The 1N4747G R0G has two pins, anode (A) and cathode (K), which are identified by the physical orientation of the diode within the DO-41 package.
Functional Features
- Voltage regulation: The 1N4747G R0G maintains a constant voltage across its terminals, making it suitable for stabilizing voltage in electronic circuits.
- Overvoltage protection: It provides protection against excessive voltage spikes, safeguarding sensitive components in the circuit.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Susceptible to thermal runaway under certain conditions
Working Principles
The 1N4747G R0G operates based on the Zener effect, where it exhibits a controlled breakdown at a specific reverse voltage, allowing current to flow in the reverse direction and maintaining a nearly constant voltage across its terminals.
Detailed Application Field Plans
The 1N4747G R0G finds applications in various electronic systems, including: - Voltage regulators - Power supplies - Signal conditioning circuits - Overvoltage protection circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4747G R0G include: - 1N4739A - BZX55C20 - 1N746A
In conclusion, the 1N4747G R0G Zener diode offers precise voltage regulation and overvoltage protection, making it a valuable component in numerous electronic applications.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng 1N4747G R0G trong giải pháp kỹ thuật
What is the 1N4747G R0G?
- The 1N4747G R0G is a Zener diode with a voltage rating of 20V and a power rating of 1W.
What are the typical applications of the 1N4747G R0G?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that can flow through the 1N4747G R0G?
- The maximum current for reliable operation is around 50mA.
How does the 1N4747G R0G provide voltage regulation?
- It operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.
Can the 1N4747G R0G 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 characteristics of the 1N4747G R0G?
- Its key characteristics include a sharp breakdown voltage, low dynamic impedance, and good stability over a wide range of operating currents.
Is the 1N4747G R0G suitable for precision voltage references?
- While it can be used as a voltage reference, its precision may not be as high as specialized voltage reference components.
What are the important considerations when designing with the 1N4747G R0G?
- It's important to consider its power dissipation, current handling capability, and thermal management to ensure reliable operation.
Can multiple 1N4747G R0G diodes be connected in series or parallel?
- Connecting them in series can increase the breakdown voltage, but connecting them in parallel is generally not recommended due to mismatched characteristics.
Are there any alternative components that can be used in place of the 1N4747G R0G?
- Similar Zener diodes with compatible voltage and power ratings can be used as alternatives, but it's important to consider their specific characteristics and specifications for the intended application.