BF494_D27Z

Product Overview

Category

The BF494_D27Z belongs to the category of electronic components, specifically within the realm of transistors.

Use

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

Characteristics

• Small signal NPN transistor
• High current gain
• Low noise
• Suitable for low power applications

Package

The BF494_D27Z is typically available in a TO-92 package, which is a widely used form factor for small signal transistors.

Essence

This transistor is essential for amplifying weak signals and controlling the flow of current in electronic circuits.

Packaging/Quantity

The BF494_D27Z is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Maximum Collector-Emitter Voltage: 20V
• Maximum Collector Current: 30mA
• Power Dissipation: 300mW
• Transition Frequency: 150MHz
• Operating Temperature Range: -65°C to 150°C

Detailed Pin Configuration

The BF494_D27Z transistor has three pins: 1. Base (B) 2. Emitter (E) 3. Collector (C)

Functional Features

• High current gain allows for effective signal amplification
• Low noise characteristics make it suitable for sensitive applications
• Small form factor enables integration into compact circuit designs

Advantages and Disadvantages

Advantages

• High current gain
• Low noise
• Compact size

Disadvantages

• Limited maximum collector-emitter voltage
• Relatively low power dissipation capability

Working Principles

The BF494_D27Z operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its terminals to amplify or switch electronic signals.

Detailed Application Field Plans

This transistor is commonly used in: - Audio amplifiers - Oscillator circuits - Switching applications

Detailed and Complete Alternative Models

Some alternative models to the BF494_D27Z include: - 2N2222 - BC547 - BC548 - 2N3904

In conclusion, the BF494_D27Z transistor is a versatile component with high current gain and low noise characteristics, making it suitable for various low-power electronic applications such as audio amplifiers and oscillator circuits. While it has limitations in terms of maximum voltage and power dissipation, its compact size and performance advantages make it a popular choice in the electronics industry. Additionally, there are several alternative models available for designers to consider based on specific application requirements.