1N4128 Diode

Product Overview

Use

It is commonly used in electronic circuits for rectification, signal demodulation, and voltage regulation.

Characteristics

Forward Voltage: 0.7V
Reverse Voltage: 100V
Maximum Continuous Forward Current: 200mA
Package Type: DO-35
Operating Temperature Range: -65°C to 175°C

Packaging/Quantity

The 1N4128 diode is typically available in tape and reel packaging with quantities ranging from hundreds to thousands per reel.

Specifications

Forward Voltage Drop: 0.7V
Reverse Voltage: 100V
Maximum Continuous Forward Current: 200mA
Package Type: DO-35
Operating Temperature Range: -65°C to 175°C

Detailed Pin Configuration

The 1N4128 diode has two pins, anode (A) and cathode (K), which are identified by a band on the cathode end of the diode.

Functional Features

The 1N4128 diode allows current to flow in only one direction, making it suitable for use in rectifier circuits.
It exhibits low forward voltage drop, making it efficient for voltage regulation applications.

Advantages and Disadvantages

Advantages

Low forward voltage drop
High reverse voltage capability
Small form factor

Disadvantages

Limited maximum continuous forward current
Sensitive to temperature variations

Working Principles

The 1N4128 diode operates based on the principle of creating a depletion region when a voltage is applied across its terminals, allowing current to flow in one direction while blocking it in the opposite direction.

Detailed Application Field Plans

The 1N4128 diode finds applications in: - Power supply units - Signal demodulation circuits - Voltage regulation circuits - Overvoltage protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4128 diode include: - 1N4001 - 1N4148 - 1N5819 - 1N5399

In conclusion, the 1N4128 diode is a versatile semiconductor device with applications in various electronic circuits, offering advantages such as low forward voltage drop and high reverse voltage capability. However, its limitations in terms of maximum continuous forward current and sensitivity to temperature variations should be considered when selecting it for specific applications.

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技術ソリューションにおける 1N4128 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 1N4128 diode used for?
- The 1N4128 diode is commonly used for general-purpose rectification and switching applications.
What are the electrical characteristics of the 1N4128 diode?
- The 1N4128 diode has a maximum repetitive peak reverse voltage of 100V, a maximum average forward rectified current of 1A, and a maximum forward voltage drop of 1V at 1A.
Can the 1N4128 diode be used in high-frequency applications?
- The 1N4128 diode can be used in low to moderate frequency applications due to its moderate recovery time.
Is the 1N4128 diode suitable for use in power supply circuits?
- Yes, the 1N4128 diode is suitable for use in power supply circuits where moderate voltage and current requirements are present.
What are the typical package types available for the 1N4128 diode?
- The 1N4128 diode is typically available in DO-41 axial leaded package and surface mount SMA package.
Can the 1N4128 diode be used for reverse polarity protection?
- Yes, the 1N4128 diode can be used for reverse polarity protection due to its ability to block reverse current flow.
What are the temperature considerations for the 1N4128 diode?
- The 1N4128 diode has an operating temperature range of -65°C to +175°C, making it suitable for a wide range of environments.
Are there any specific precautions to consider when using the 1N4128 diode?
- It is important to ensure that the maximum ratings for voltage and current are not exceeded to prevent damage to the diode.
Can the 1N4128 diode be used in automotive applications?
- Yes, the 1N4128 diode can be used in automotive applications such as lighting, power distribution, and other electronic systems.
Where can I find detailed specifications and application notes for the 1N4128 diode?
- Detailed specifications and application notes for the 1N4128 diode can be found in the manufacturer's datasheet and application notes provided by semiconductor component distributors.