1N4148,133 - Diode Encyclopedia Entry

Product Overview

The 1N4148,133 is a high-speed switching diode that belongs to the category of semiconductor devices. It is commonly used in electronic circuits for various applications due to its fast switching speed and low forward voltage drop. The diode is characterized by its small size, high reliability, and compatibility with automated assembly equipment. It is typically available in a variety of package types, such as SOD-123, SOD-323, and SOD-523, and is often sold in tape and reel packaging.

Specifications

• Maximum repetitive peak reverse voltage: 100V
• Average rectified forward current: 150mA
• Forward voltage: 1V at 10mA
• Reverse recovery time: 4ns
• Operating temperature range: -65°C to +175°C

Detailed Pin Configuration

The 1N4148,133 diode has two pins, an anode, and a cathode. The anode is connected to the positive side of the circuit, while the cathode is connected to the negative side.

Functional Features

The diode exhibits fast switching capabilities, making it suitable for high-frequency applications. It also has a low reverse recovery time, which minimizes switching losses in circuits.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited maximum repetitive peak reverse voltage
• Relatively low average rectified forward current

Working Principles

The 1N4148,133 operates based on the principles of semiconductor physics. When a forward voltage is applied across the diode, it allows current to flow in one direction, while blocking it in the opposite direction. This property makes it useful for rectification and signal demodulation in electronic circuits.

Detailed Application Field Plans

The 1N4148,133 diode finds extensive use in various applications, including: - Signal demodulation in communication systems - High-speed switching in digital circuits - Voltage clamping and protection in power supplies - Rectification in low-power applications

Detailed and Complete Alternative Models

Some alternative models to the 1N4148,133 diode include: - 1N914 - Similar characteristics and performance - 1N4001 - Higher maximum repetitive peak reverse voltage - BAT54 - Dual diode configuration for specific applications

In conclusion, the 1N4148,133 diode is a versatile semiconductor device with fast switching characteristics, making it suitable for a wide range of electronic applications. Its compact size and reliability make it a popular choice among circuit designers.

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