2N5485 Transistor

Product Overview

The 2N5485 is a field-effect transistor (FET) belonging to the category of electronic components. It is commonly used in amplification and switching circuits due to its high input impedance, low noise, and high gain characteristics. The transistor is typically packaged in a TO-92 package and is available in both through-hole and surface mount versions. The essence of the 2N5485 lies in its ability to control the flow of current in electronic devices, making it an essential component in various electronic applications.

Package and Quantity

The 2N5485 is usually supplied in a TO-92 package and is available in quantities ranging from individual units to bulk packaging for commercial use.

Specifications

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

Detailed Pin Configuration

The 2N5485 features three pins: the gate (G), drain (D), and source (S). In the TO-92 package, the pin configuration is as follows: - Pin 1 (G): Gate - Pin 2 (D): Drain - Pin 3 (S): Source

Functional Features

The 2N5485 offers high input impedance, making it suitable for use in high-frequency applications. Its low noise characteristics make it ideal for signal amplification in audio and radio frequency circuits. Additionally, the transistor exhibits high gain, enabling efficient signal amplification.

Advantages and Disadvantages

Advantages

• High input impedance
• Low noise characteristics
• High gain for signal amplification
• Versatile application in amplification and switching circuits

Disadvantages

• Limited maximum drain-source voltage
• Relatively low continuous drain current rating

Working Principles

The 2N5485 operates based on the field-effect principle, where the flow of current between the drain and source terminals is controlled by the voltage applied to the gate terminal. By modulating the gate-source voltage, the transistor regulates the current flow, allowing it to function as an amplifier or switch in electronic circuits.

Detailed Application Field Plans

The 2N5485 finds extensive use in various electronic applications, including: - Audio amplifiers - Radio frequency amplifiers - Oscillator circuits - Signal processing circuits - Switching circuits

Detailed and Complete Alternative Models

Several alternative models can be considered as substitutes for the 2N5485, including: - J201 - MPF102 - BF245A - 2N5457

In conclusion, the 2N5485 transistor serves as a crucial component in electronic circuits, offering high input impedance, low noise, and high gain characteristics. Its versatile nature makes it suitable for a wide range of applications, from audio amplifiers to switching circuits.

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