1N4473 BK

Product Overview

Category:

The 1N4473 BK is a semiconductor diode belonging to the category of rectifier diodes.

Use:

It is commonly used in electronic circuits for rectification purposes, converting alternating current (AC) to direct current (DC).

Characteristics:

• Forward Voltage: 1V
• Reverse Voltage: 200V
• Current Rating: 1A
• Fast switching speed
• High reliability

Package:

The 1N4473 BK is typically available in a DO-41 package, which is a cylindrical axial-lead package.

Packaging/Quantity:

It is usually packaged in reels or tubes and is available in quantities ranging from hundreds to thousands per reel/tube.

Specifications

• Forward Voltage Drop: 1V
• Reverse Voltage: 200V
• Average Rectified Current: 1A
• Maximum Surge Current: 30A
• Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4473 BK has two leads, an anode, and a cathode. The anode is connected to the positive terminal of the circuit, while the cathode is connected to the negative terminal.

Functional Features

The 1N4473 BK is designed to allow current to flow in only one direction, making it suitable for rectification applications. It has a fast switching speed, enabling efficient conversion of AC to DC.

Advantages and Disadvantages

Advantages

• Fast switching speed
• High reliability
• Low forward voltage drop

Disadvantages

• Limited reverse voltage rating compared to other diodes
• Moderate average rectified current rating

Working Principles

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, effectively acting as a one-way valve for electrical current.

Detailed Application Field Plans

The 1N4473 BK is widely used in power supply circuits, battery chargers, and low-power rectification applications. Its fast switching speed makes it suitable for applications requiring rapid response times.

Detailed and Complete Alternative Models

Some alternative models to the 1N4473 BK include: - 1N4001: Similar characteristics but with a higher reverse voltage rating - 1N4148: Faster switching speed but lower current rating - 1N5408: Higher current rating and reverse voltage rating

In conclusion, the 1N4473 BK is a reliable rectifier diode with fast switching speed and low forward voltage drop, making it suitable for various electronic applications requiring efficient rectification.

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