2N4393UB

Product Overview

Category

The 2N4393UB is a small-signal N-channel JFET (Junction Field-Effect Transistor) belonging to the semiconductor category.

Use

It is commonly used in electronic circuits for amplification, switching, and other signal processing applications.

Characteristics

• Low noise figure
• High input impedance
• Wide dynamic range
• Low power consumption

Package

The 2N4393UB is typically available in TO-92 packaging, with a quantity of 100 pieces per pack.

Specifications

• Maximum Drain-Source Voltage: 40V
• Maximum Gate-Source Voltage: 40V
• Maximum Continuous Drain Current: 35mA
• Power Dissipation: 350mW
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The 2N4393UB has three pins: 1. Source (S) 2. Gate (G) 3. Drain (D)

Functional Features

The 2N4393UB offers: - High input impedance for minimal loading of preceding stages - Low noise performance for sensitive signal amplification - Compatibility with a wide range of circuit configurations

Advantages and Disadvantages

Advantages

• Low noise figure enhances signal fidelity
• High input impedance allows for versatile circuit design
• Wide dynamic range enables signal processing in various applications

Disadvantages

• Limited maximum drain-source voltage may restrict use in high-voltage applications
• Moderate current handling capability compared to some alternatives

Working Principles

The 2N4393UB operates based on the field effect created by the voltage applied to the gate terminal, controlling the flow of current between the source and drain terminals.

Detailed Application Field Plans

The 2N4393UB finds application in various fields including: - Audio amplifiers - Instrumentation circuits - Signal processing circuits - Radio frequency (RF) amplifiers

Detailed and Complete Alternative Models

Some alternative models to the 2N4393UB include: - J201 - 2N5457 - BF245

In conclusion, the 2N4393UB is a versatile small-signal JFET offering low noise, high input impedance, and wide dynamic range, making it suitable for a range of electronic applications.

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