1N4747A G - English Editing Encyclopedia Entry
Product Overview
Category
The 1N4747A G is a Zener diode, which falls under the category of semiconductor devices.
Use
It is commonly used for voltage regulation and voltage reference applications.
Characteristics
- The 1N4747A G has a nominal zener voltage of 20V.
- It exhibits sharp breakdown voltage with low dynamic impedance.
- It is designed to operate in reverse-bias mode.
Package
The 1N4747A G is typically available in a DO-41 axial leaded package.
Essence
This Zener diode is essential for maintaining stable voltage levels in electronic circuits.
Packaging/Quantity
It is usually packaged in reels or bulk quantities, depending on the supplier.
Specifications
- Zener Voltage: 20V
- Power Dissipation: 1.0W
- Operating Temperature Range: -65°C to +200°C
- Storage Temperature Range: -65°C to +200°C
Detailed Pin Configuration
The 1N4747A G Zener diode has two leads, with the cathode being shorter than the anode.
Functional Features
- Provides precise voltage regulation.
- Protects sensitive components from voltage spikes.
- Offers stable voltage references for circuitry.
Advantages and Disadvantages
Advantages
- Accurate voltage regulation.
- Robust design for reliable performance.
- Wide operating temperature range.
Disadvantages
- Limited power dissipation capability.
- Susceptible to damage from excessive current or voltage.
Working Principles
The 1N4747A G operates based on the principle of the Zener effect, where it maintains a constant voltage drop across its terminals when reverse-biased.
Detailed Application Field Plans
Voltage Regulation
The 1N4747A G is widely used in power supplies and voltage regulator circuits to maintain stable output voltages.
Voltage Reference
It serves as a precise voltage reference in instrumentation and measurement equipment.
Overvoltage Protection
In electronic systems, it safeguards sensitive components from overvoltage conditions.
Detailed and Complete Alternative Models
- 1N4733A: Zener voltage of 5.1V
- 1N4739A: Zener voltage of 9.1V
- 1N4752A: Zener voltage of 33V
- 1N4764A: Zener voltage of 100V
In conclusion, the 1N4747A G Zener diode is a crucial component in electronic circuits, providing accurate voltage regulation and protection. Its wide range of applications and availability of alternative models make it a versatile choice for various design requirements.
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技術ソリューションにおける 1N4747A G の適用に関連する 10 件の一般的な質問と回答をリストします。
What is the 1N4747A G diode used for?
- The 1N4747A G diode is commonly used as a voltage regulator in various technical solutions.
What is the maximum voltage rating of the 1N4747A G diode?
- The maximum voltage rating of the 1N4747A G diode is 20 volts.
What is the typical current rating for the 1N4747A G diode?
- The typical current rating for the 1N4747A G diode is 1 watt.
How does the 1N4747A G diode regulate voltage?
- The 1N4747A G diode regulates voltage by maintaining a constant voltage drop across its terminals, providing a stable output voltage.
Can the 1N4747A G diode be used in reverse bias?
- Yes, the 1N4747A G diode can be used in reverse bias to protect circuits from overvoltage conditions.
What are the typical applications of the 1N4747A G diode?
- Typical applications of the 1N4747A G diode include voltage regulation in power supplies, voltage clamping, and overvoltage protection.
What is the temperature range for the 1N4747A G diode?
- The 1N4747A G diode typically operates within a temperature range of -65°C to +200°C.
Is the 1N4747A G diode suitable for high-frequency applications?
- The 1N4747A G diode is not typically recommended for high-frequency applications due to its inherent capacitance and response time.
Can multiple 1N4747A G diodes be connected in series or parallel?
- Multiple 1N4747A G diodes can be connected in series to increase the breakdown voltage or in parallel to handle higher currents.
Are there any specific soldering or handling precautions for the 1N4747A G diode?
- When soldering the 1N4747A G diode, it's important to avoid excessive heat to prevent damage, and proper ESD precautions should be followed during handling to avoid static discharge damage.