1N747 Diode
Product Overview
The 1N747 diode is a semiconductor device belonging to the category of small signal diodes. It is commonly used in electronic circuits for various applications due to its unique characteristics. The diode is typically packaged individually and is available in various quantities, making it suitable for both hobbyist and professional use.
Basic Information
- Category: Small Signal Diode
- Use: Rectification, signal demodulation, voltage regulation
- Characteristics: Low forward voltage drop, high switching speed
- Package: DO-35 (Glass Axial Package)
- Essence: Semiconductor material with P-N junction
- Packaging/Quantity: Individually packaged, available in bulk quantities
Specifications
- Forward Voltage Drop: 0.7V
- Reverse Voltage: 50V
- Maximum Forward Current: 150mA
- Reverse Recovery Time: 4ns
- Operating Temperature Range: -65°C to +175°C
Detailed Pin Configuration
The 1N747 diode has a simple two-pin configuration, with the anode connected to one terminal and the cathode connected to the other terminal. The physical appearance of the diode is cylindrical, with the cathode end typically marked with a band or other identifying feature.
Functional Features
The primary function of the 1N747 diode is to allow current to flow in one direction while blocking it in the opposite direction. This property makes it ideal for rectification and voltage regulation in electronic circuits. Additionally, its high switching speed enables it to be used in high-frequency applications such as signal demodulation.
Advantages and Disadvantages
Advantages
- Low forward voltage drop
- High switching speed
- Compact and easy to use
- Wide operating temperature range
Disadvantages
- Limited reverse voltage tolerance
- Relatively low maximum forward current rating
Working Principles
The 1N747 diode operates based on the principle of the P-N junction, where the flow of current is allowed in the forward bias condition and blocked in the reverse bias condition. When a positive voltage is applied to the anode with respect to the cathode, the diode conducts, allowing current to flow. In the reverse bias condition, the diode acts as an insulator, preventing current flow.
Detailed Application Field Plans
The 1N747 diode finds extensive use in various electronic applications, including: - Power supply circuits for rectification and voltage regulation - Signal demodulation in communication systems - High-frequency switching circuits - Overvoltage protection circuits
Detailed and Complete Alternative Models
Several alternative models to the 1N747 diode include: - 1N914: Fast switching diode with similar characteristics - 1N4001: General-purpose rectifier diode with higher voltage ratings - 1N5819: Schottky diode with lower forward voltage drop
In conclusion, the 1N747 diode is a versatile semiconductor device with unique characteristics that make it suitable for a wide range of electronic applications. Its compact size, low forward voltage drop, and high switching speed make it a popular choice among electronics enthusiasts and professionals alike.
Word Count: 470
技術ソリューションにおける 1N747 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 1N747?
- 1N747 is a silicon diode commonly used in electronic circuits for voltage regulation and signal rectification.
What are the typical applications of 1N747?
- It is commonly used in power supplies, voltage regulators, and signal rectification circuits.
What is the forward voltage drop of 1N747?
- The forward voltage drop of 1N747 is typically around 0.7 volts at a specified current.
What is the maximum reverse voltage rating of 1N747?
- The maximum reverse voltage rating of 1N747 is typically around 50 volts.
How does 1N747 compare to other diodes in terms of performance?
- 1N747 has similar characteristics to other silicon diodes, but its specific voltage and current ratings may vary.
Can 1N747 be used for low-current applications?
- Yes, 1N747 can be used for low-current applications due to its relatively low forward voltage drop.
What are the temperature limitations of 1N747?
- 1N747 is typically rated for operation within a temperature range of -65°C to 175°C.
Are there any special considerations when using 1N747 in high-frequency circuits?
- In high-frequency circuits, the parasitic capacitance of 1N747 should be considered to avoid any adverse effects on circuit performance.
Can 1N747 be used in automotive electronics?
- Yes, 1N747 can be used in automotive electronics, provided it meets the necessary specifications and standards for automotive applications.
Is 1N747 suitable for precision voltage reference applications?
- While 1N747 can provide stable voltage references, specialized precision voltage reference diodes may be more suitable for critical precision applications.