1N4976 - Semiconductor Diode

Product Overview

The 1N4976 is a semiconductor diode belonging to the category of rectifier diodes. It is commonly used in electronic circuits for its ability to conduct current in one direction, making it suitable for rectification and voltage regulation applications. The diode exhibits characteristics such as low forward voltage drop, high current capability, and fast switching speed. It is typically available in a small, cylindrical package with a glass or plastic encapsulation. The essence of the 1N4976 lies in its ability to convert alternating current (AC) to direct current (DC) by allowing current flow in only one direction.

Packaging/Quantity

The 1N4976 is commonly packaged individually or in reels, with quantities varying based on manufacturer specifications.

Specifications

• Forward Voltage Drop: 1V
• Maximum Reverse Voltage: 100V
• Average Rectified Current: 1A
• Maximum Surge Current: 30A
• Operating Temperature Range: -65°C to 175°C

Detailed Pin Configuration

The 1N4976 has two pins, an anode and a cathode. The anode is typically denoted by a longer lead or a notch on the diode body, while the cathode is marked with a band near the cathode end.

Functional Features

The 1N4976 diode offers reliable rectification and voltage regulation, making it suitable for various electronic applications. Its fast switching speed allows for efficient signal processing and power conversion.

Advantages and Disadvantages

Advantages

• Low forward voltage drop
• High current capability
• Fast switching speed

Disadvantages

• Limited reverse voltage tolerance
• Susceptible to thermal runaway at high currents

Working Principles

The 1N4976 operates based on the principle of creating a depletion region within the semiconductor material when a forward bias is applied. This allows current to flow in one direction while blocking it in the reverse direction, enabling rectification and voltage regulation.

Detailed Application Field Plans

The 1N4976 is widely used in power supply circuits, battery chargers, voltage regulators, and signal demodulation circuits. Its fast switching speed also makes it suitable for high-frequency applications such as RF communication systems.

Detailed and Complete Alternative Models

• 1N4001
• 1N5408
• 1N5819
• 1N4148

In conclusion, the 1N4976 semiconductor diode is a versatile component with applications in various electronic circuits, offering reliable rectification and voltage regulation capabilities. Its characteristics, specifications, and working principles make it a valuable asset in the field of electronics.

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