1N4490US

Product Overview

Category:

The 1N4490US belongs to the category of semiconductor diodes.

Use:

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

Characteristics:

Forward Voltage: 0.7V
Reverse Voltage: 50V
Current Rating: 1A
Fast Switching Speed

Package:

The 1N4490US is typically available in a DO-41 package.

Packaging/Quantity:

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

Specifications

Type: Silicon Rectifier Diode
Voltage Rating: 50V
Current Rating: 1A
Package Type: DO-41
Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4490US has two pins, anode and cathode, which are identified by a band on the diode body.

Functional Features

Efficient rectification of AC to DC
Fast switching speed for rapid response in circuits
Low forward voltage drop for energy efficiency

Advantages

Fast switching speed
Low forward voltage drop
Compact and easy to integrate into circuit designs

Disadvantages

Limited reverse voltage rating compared to some other diode models
Relatively low current rating for high-power applications

Working Principles

The 1N4490US operates based on the principle of creating a one-way flow of current when forward-biased, allowing it to efficiently convert alternating current (AC) to direct current (DC).

Detailed Application Field Plans

The 1N4490US is widely used in: - Power supply units - Voltage regulators - Signal demodulation circuits - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models to the 1N4490US include: - 1N4001: Similar voltage and current ratings - 1N5819: Higher current rating and lower forward voltage drop - 1N4148: Faster switching speed and lower current rating

This comprehensive entry provides detailed information about the 1N4490US, covering its product category, basic overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van 1N4490US in technische oplossingen

What is a 1N4490US diode?
- The 1N4490US is a high-voltage rectifier diode commonly used in technical solutions for converting alternating current (AC) to direct current (DC).
What are the key specifications of the 1N4490US diode?
- The 1N4490US diode typically has a maximum repetitive reverse voltage of 2000V, a forward current of 3A, and a forward voltage drop of around 1.1V.
How is the 1N4490US diode typically used in technical solutions?
- The 1N4490US diode is often used in power supply circuits, voltage multiplier circuits, and other applications where high-voltage rectification is required.
What are the important considerations when using the 1N4490US diode in technical solutions?
- It's crucial to ensure that the diode is operated within its specified voltage and current limits, and proper heat dissipation measures should be taken due to its high power handling capability.
Can the 1N4490US diode be used in high-frequency applications?
- No, the 1N4490US diode is not suitable for high-frequency applications due to its relatively slow recovery time.
Are there any alternative diodes that can be used in place of the 1N4490US?
- Yes, other high-voltage rectifier diodes such as the 1N4007 or 1N5408 can be used as alternatives, depending on the specific requirements of the application.
What are the typical failure modes of the 1N4490US diode?
- Common failure modes include overvoltage breakdown, excessive forward current leading to thermal runaway, and physical damage due to mishandling.
Can the 1N4490US diode be used in automotive applications?
- Yes, the 1N4490US diode can be used in certain automotive applications, particularly in power supply and charging systems.
What are the temperature limitations of the 1N4490US diode?
- The 1N4490US diode is typically rated for operation within a temperature range of -65°C to 175°C.
Where can I find detailed application notes for using the 1N4490US diode in technical solutions?
- Detailed application notes and guidelines for using the 1N4490US diode can be found in the manufacturer's datasheet and application-specific technical literature.