5185_2N4391

Product Overview

Category

The 5185_2N4391 belongs to the category of electronic components.

Use

It is commonly used in electronic circuits for amplification and switching purposes.

Characteristics

• Small signal N-channel JFET (Junction Field Effect Transistor)
• Low power consumption
• High input impedance

Package

The 5185_2N4391 is typically available in TO-92 packaging.

Essence

This component is essential for designing low-power, high-impedance amplifier circuits.

Packaging/Quantity

It is usually packaged in reels or tubes, with quantities varying based on supplier and customer requirements.

Specifications

• Maximum Drain-Source Voltage: 40V
• Maximum Gate-Source Voltage: 40V
• Maximum Continuous Drain Current: 50mA
• Power Dissipation: 350mW
• Operating Temperature Range: -55°C to 125°C

Detailed Pin Configuration

The 5185_2N4391 has three pins: 1. Source (S) 2. Gate (G) 3. Drain (D)

Functional Features

• High input impedance allows for minimal loading of preceding circuitry.
• Suitable for low-level audio amplification and signal switching applications.

Advantages

• Low power consumption
• High input impedance
• Versatile for various small-signal applications

Disadvantages

• Limited maximum current handling capability
• Susceptible to damage from static electricity if mishandled

Working Principles

The 5185_2N4391 operates based on the field effect principle, where the flow of current between the source and drain terminals is controlled by the voltage applied to the gate terminal.

Detailed Application Field Plans

Audio Amplification

The 5185_2N4391 can be used in low-power audio amplifier circuits due to its high input impedance and low noise characteristics.

Signal Switching

In electronic switch applications, this component can effectively control the flow of signals with minimal power consumption.

Detailed and Complete Alternative Models

• 2N5457
• 2N4416
• J201
• MPF102

In conclusion, the 5185_2N4391 is a versatile small signal JFET suitable for various low-power electronic applications, offering high input impedance and low power consumption. However, its limited current handling capability and susceptibility to static damage should be considered when designing circuits. It finds common use in audio amplification and signal switching applications, and alternative models such as 2N5457, 2N4416, J201, and MPF102 can be considered based on specific design requirements.