1N4458R Diode

Product Overview

Use

It is commonly used in applications requiring fast switching and low leakage current.

Characteristics

Fast switching speed
Low forward voltage drop
Low reverse leakage current

Package

The 1N4458R is typically available in a DO-41 package.

Essence

This diode is essential for electronic circuits requiring rapid switching capabilities.

Packaging/Quantity

The 1N4458R is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

Maximum repetitive peak reverse voltage: 200V
Average rectified forward current: 1A
Forward voltage drop: 1V at 1A
Reverse recovery time: 4ns

Detailed Pin Configuration

The 1N4458R has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

High-speed switching
Low forward voltage drop
Low reverse leakage current

Advantages

Fast switching speed
Low power dissipation
Compact size

Disadvantages

Limited maximum reverse voltage
Sensitive to overvoltage conditions

Working Principles

The 1N4458R operates based on the principles of semiconductor junctions, allowing for rapid switching between conducting and non-conducting states.

Detailed Application Field Plans

The 1N4458R is widely used in: - Switching power supplies - Signal demodulation circuits - High-frequency rectification circuits

Detailed and Complete Alternative Models

1N4148
1N914
1N4001

In conclusion, the 1N4458R diode is a crucial component in electronic circuits requiring fast switching characteristics and low leakage current. Its compact size and efficient performance make it suitable for various applications in the electronics industry.

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技術ソリューションにおける 1N4458R 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 1N4458R diode used for?
- The 1N4458R diode is commonly used for general-purpose rectification and switching applications.
What are the key specifications of the 1N4458R diode?
- The 1N4458R diode typically has a maximum repetitive peak reverse voltage of 200 volts, a forward continuous current of 1 ampere, and a forward voltage drop of around 1 volt at the rated current.
Can the 1N4458R diode be used for high-frequency applications?
- While the 1N4458R diode can function at moderate frequencies, it may not be suitable for very high-frequency applications due to its inherent capacitance and recovery time.
Is the 1N4458R diode suitable for use in power supply circuits?
- Yes, the 1N4458R diode can be used in power supply circuits for rectification and voltage regulation purposes.
What are the typical operating temperatures for the 1N4458R diode?
- The 1N4458R diode is designed to operate within a temperature range of -65°C to +175°C.
Can the 1N4458R diode handle surge currents?
- Yes, the 1N4458R diode is capable of withstanding short-duration surge currents, making it suitable for transient voltage suppression applications.
Are there any specific precautions to consider when using the 1N4458R diode?
- It's important to ensure proper heat dissipation and avoid exceeding the maximum ratings to prevent damage to the diode.
What are some common circuit configurations where the 1N4458R diode is used?
- The 1N4458R diode is often employed in half-wave and full-wave rectifier circuits, as well as in freewheeling and flyback diode configurations.
Does the 1N4458R diode have polarity considerations?
- Yes, like most diodes, the 1N4458R is polarized and must be connected with the correct orientation to function properly in a circuit.
Can the 1N4458R diode be used in automotive electronics applications?
- Yes, the 1N4458R diode can be utilized in various automotive electronic systems such as voltage regulators, lighting circuits, and sensor interfaces.