2N4393UB

Product Overview

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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