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1N4748A R0G
Product Overview
Category
The 1N4748A R0G belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Zener voltage: 22V
- Power dissipation: 1.3W
- Package type: DO-41
- Operating temperature range: -65°C to +200°C
- Storage temperature range: -65°C to +200°C
Packaging/Quantity
The 1N4748A R0G is typically available in reels or bulk packaging, with quantities varying based on supplier and customer requirements.
Specifications
- Zener voltage: 22V
- Power dissipation: 1.3W
- Maximum forward voltage: 1.2V
- Reverse current: 5µA
- Temperature coefficient: 0.05%/°C
Detailed Pin Configuration
The 1N4748A R0G has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.
Functional Features
- Voltage regulation: The Zener diode maintains a constant voltage across its terminals, providing stability in electronic circuits.
- Overvoltage protection: It can protect sensitive components by diverting excess voltage away from them.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Cost-effective solution for voltage regulation and protection
Disadvantages
- Limited power dissipation capability
- Susceptible to damage from excessive current or voltage spikes
Working Principles
The 1N4748A R0G operates based on the Zener effect, where it allows current to flow in reverse when the voltage reaches the Zener voltage, effectively maintaining a constant voltage drop across its terminals.
Detailed Application Field Plans
The 1N4748A R0G is widely used in various applications, including: - Voltage regulators in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4748A R0G include: - 1N4730A (Zener voltage: 3.9V) - 1N4742A (Zener voltage: 12V) - 1N4754A (Zener voltage: 27V)
In conclusion, the 1N4748A R0G Zener diode offers precise voltage regulation and overvoltage protection, making it a versatile component in various electronic applications.
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Énumérez 10 questions et réponses courantes liées à l'application de 1N4748A R0G dans les solutions techniques
What is the 1N4748A R0G?
- The 1N4748A R0G is a Zener diode with a voltage rating of 22V and a power rating of 1W.
What are the typical applications of the 1N4748A R0G?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that can flow through the 1N4748A R0G?
- The maximum current for reliable operation is typically around 40-50 mA.
How does the 1N4748A R0G provide voltage regulation?
- It operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.
Can the 1N4748A R0G be used for overvoltage protection?
- Yes, it can be used to clamp the voltage at a specific level, protecting downstream components from excessive voltage.
What are the key specifications to consider when using the 1N4748A R0G in a circuit?
- Voltage rating, power dissipation, and maximum current are crucial parameters to consider.
Is the 1N4748A R0G suitable for precision voltage references?
- While it can provide a stable voltage reference, it may not offer the precision required for some applications.
What are the typical operating conditions for the 1N4748A R0G?
- It is designed to operate within a specified temperature range and under certain current and voltage conditions.
Can multiple 1N4748A R0G diodes be connected in series or parallel?
- Yes, they can be connected in series to increase the breakdown voltage or in parallel to share the current load.
Are there any alternative components that can be used in place of the 1N4748A R0G?
- Other Zener diodes with similar voltage and power ratings can be considered as alternatives, but careful consideration of specifications is necessary.