1N4148UB

Product Overview

Category:

The 1N4148UB belongs to the category of small signal diodes.

Use:

It is commonly used in general-purpose switching applications.

Characteristics:

• Fast switching speed
• High reverse voltage capability
• Small package size

Package:

The 1N4148UB is typically available in a DO-35 package.

Essence:

This diode is essential for controlling the flow of electrical current in various electronic circuits.

Packaging/Quantity:

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

Specifications

• Maximum Reverse Voltage: 100V
• Average Rectified Current: 150mA
• Forward Voltage Drop: 1V at 10mA
• Reverse Recovery Time: 4ns

Detailed Pin Configuration

The 1N4148UB has two pins, anode and cathode, which are identified by the color band on the diode body.

Functional Features

• Fast switching speed allows for rapid response in circuit applications.
• High reverse voltage capability provides protection against voltage spikes.
• Small package size enables integration into compact electronic designs.

Advantages

• Versatile use in various electronic circuits.
• Reliable performance in switching applications.
• Compact form factor for space-constrained designs.

Disadvantages

• Limited rectified current compared to other diode options.
• Higher forward voltage drop may impact efficiency in some applications.

Working Principles

The 1N4148UB operates based on the principles of semiconductor junction behavior, allowing it to control the flow of current in a circuit by enabling conduction in one direction while blocking it in the reverse direction.

Detailed Application Field Plans

Switching Circuits:

The diode is widely used in switching circuits for its fast response and high reverse voltage capability.

Signal Demodulation:

Its characteristics make it suitable for signal demodulation applications in communication systems.

Overvoltage Protection:

In electronic systems, the diode can be employed for overvoltage protection due to its reverse voltage capability.

Detailed and Complete Alternative Models

• 1N914: Similar small signal diode with comparable specifications.
• 1N4001: Larger power diode with higher rectified current capabilities.

In conclusion, the 1N4148UB is a versatile small signal diode with fast switching speed and high reverse voltage capability, making it suitable for a wide range of electronic applications. Its compact package and reliable performance make it a popular choice in the industry.

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