2N5486 Transistor

Product Overview

The 2N5486 is a small-signal N-channel junction field-effect transistor (JFET) primarily used for amplification and switching applications. It falls under the category of electronic components and is commonly utilized in audio amplifiers, voltage-controlled resistors, and instrumentation circuits. The transistor exhibits high input impedance, low noise, and excellent linearity. It is typically available in TO-92 packaging with various quantities per package.

Specifications

• Maximum Drain-Source Voltage: 25V
• Maximum Gate-Source Voltage: -25V
• Maximum Continuous Drain Current: 10mA
• Power Dissipation: 350mW
• Operating Temperature Range: -55°C to 150°C

Pin Configuration

The 2N5486 transistor has three pins: 1. Source (S) 2. Gate (G) 3. Drain (D)

Functional Features

• High input impedance
• Low noise
• Excellent linearity
• Suitable for low-frequency applications

Advantages

• High input impedance allows for minimal loading of preceding stages
• Low noise makes it suitable for audio applications
• Excellent linearity ensures accurate signal amplification

Disadvantages

• Limited current-carrying capability compared to other transistor types
• Susceptible to damage from static electricity

Working Principles

The 2N5486 operates based on the voltage applied to the gate terminal, which controls the flow of current between the source and drain terminals. By modulating the gate-source voltage, the transistor can amplify or switch the input signal.

Application Field Plans

Audio Amplifiers

The 2N5486 is commonly used in audio amplifier circuits due to its low noise characteristics and high input impedance, which helps in preserving the fidelity of the audio signal.

Voltage-Controlled Resistors

In some applications, the 2N5486 can be used to create voltage-controlled resistors, allowing for variable resistance based on the gate-source voltage.

Instrumentation Circuits

Due to its linearity and low noise, the transistor finds application in instrumentation circuits where accurate signal processing is crucial.

Alternative Models

• J201
• 2N5457
• MPF102
• BF245

In conclusion, the 2N5486 transistor is a versatile component suitable for various amplification and switching applications, especially in low-frequency circuits. Its high input impedance, low noise, and excellent linearity make it a popular choice in audio amplifiers and instrumentation circuits. However, its limited current-carrying capability and susceptibility to static electricity should be considered when selecting this transistor for specific applications.