1N4458 Diode
Product Overview
Category:
The 1N4458 is a silicon rectifier diode.
Use:
It is commonly used in various electronic circuits for rectification and voltage regulation.
Characteristics:
- Forward Voltage Drop: 1V
- Reverse Voltage: 200V
- Maximum Average Forward Current: 1A
- Package Type: DO-41
- Packaging/Quantity: Bulk, Tape & Reel, Ammo Pack
Specifications:
- Peak Repetitive Reverse Voltage: 200V
- Average Rectified Forward Current: 1A
- Non-Repetitive Peak Forward Surge Current: 30A
- Operating Temperature Range: -65°C to +175°C
Detailed Pin Configuration
The 1N4458 diode has two pins. The cathode is marked with a band on the body of the diode, while the anode is the other terminal.
Functional Features
The 1N4458 diode is designed to allow current to flow in only one direction, making it suitable for use in rectification and voltage regulation applications. It exhibits low forward voltage drop and high reverse voltage capability, making it ideal for various electronic circuits.
Advantages and Disadvantages
Advantages:
- Low forward voltage drop
- High reverse voltage capability
- Compact DO-41 package
- Wide operating temperature range
Disadvantages:
- Relatively low average rectified forward current compared to some higher power diodes
- Limited surge current capability
Working Principles
The 1N4458 diode operates based on the principle of semiconductor junction behavior. When a positive voltage is applied to the anode with respect to the cathode, the diode allows current to flow. However, when the voltage is reversed, the diode blocks the current flow.
Detailed Application Field Plans
The 1N4458 diode finds application in various electronic circuits such as: - Power supplies - Battery chargers - Voltage regulators - Rectifiers
Detailed and Complete Alternative Models
Some alternative models to the 1N4458 diode include: - 1N4001 - 1N4004 - 1N5408 - 1N5819
In conclusion, the 1N4458 diode is a versatile component widely used in electronic circuits for rectification and voltage regulation. Its unique characteristics make it suitable for a wide range of applications, and it has several alternative models available for different design requirements.
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技術ソリューションにおける 1N4458 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 1N4458?
- 1N4458 is a high-speed switching diode commonly used in electronic circuits for applications such as rectification, signal demodulation, and voltage clamping.
What are the key specifications of 1N4458?
- The 1N4458 diode typically has a maximum repetitive peak reverse voltage of 200V, a forward continuous current of 150mA, and a fast switching speed.
How is 1N4458 used in rectification circuits?
- In rectification circuits, 1N4458 is used to convert alternating current (AC) to direct current (DC) by allowing current flow in only one direction.
Can 1N4458 be used for voltage clamping?
- Yes, 1N4458 is often employed for voltage clamping applications to limit the voltage level in a circuit to protect sensitive components from overvoltage.
What are the typical applications of 1N4458 in signal demodulation?
- 1N4458 can be utilized in signal demodulation circuits to extract the original modulating signal from a carrier wave.
What is the forward voltage drop of 1N4458?
- The forward voltage drop of 1N4458 is typically around 1V at a forward current of 10mA.
Is 1N4458 suitable for high-frequency applications?
- Yes, 1N4458 is designed for high-speed switching and is suitable for high-frequency applications such as RF circuits and pulse circuits.
What are the temperature considerations for 1N4458?
- The operating temperature range for 1N4458 is usually between -65°C to +175°C, making it suitable for a wide range of environments.
Can 1N4458 be used in surge protection applications?
- Yes, 1N4458 can be employed in surge protection circuits to suppress voltage spikes and transient surges.
Are there any alternative diodes with similar characteristics to 1N4458?
- Yes, diodes such as 1N914 and 1N4148 share similar characteristics and can be used as alternatives to 1N4458 in certain applications.