INN2904K-TL

Product Overview

Category: Integrated Circuit (IC)

Use: INN2904K-TL is a high-performance NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications.

Characteristics: - High voltage capability - Low saturation voltage - Fast switching speed - Low noise figure - High current gain

Package: TO-92

Essence: The INN2904K-TL is an essential component in electronic circuits that require amplification or switching of signals.

Packaging/Quantity: The INN2904K-TL is typically packaged in reels, with 2,500 units per reel.

Specifications

• Collector-Base Voltage (VCBO): 60V
• Collector-Emitter Voltage (VCEO): 40V
• Emitter-Base Voltage (VEBO): 6V
• Collector Current (IC): 600mA
• Power Dissipation (PD): 625mW
• Transition Frequency (fT): 250MHz
• Operating Temperature Range: -55°C to +150°C

Pin Configuration

The INN2904K-TL has three pins:

1. Base (B)
2. Collector (C)
3. Emitter (E)

Functional Features

• High voltage capability allows the INN2904K-TL to handle higher voltages without breakdown.
• Low saturation voltage ensures minimal power loss during switching operations.
• Fast switching speed enables quick response times in amplification and switching applications.
• Low noise figure makes it suitable for low-noise amplifier designs.
• High current gain provides efficient signal amplification.

Advantages and Disadvantages

Advantages: - Versatile application range due to its general-purpose nature. - High voltage capability allows for use in various high-voltage applications. - Low saturation voltage reduces power dissipation and improves efficiency. - Fast switching speed enables high-speed signal processing.

Disadvantages: - Limited maximum collector current compared to specialized transistors. - Relatively low transition frequency limits its use in high-frequency applications.

Working Principles

The INN2904K-TL operates based on the principles of bipolar junction transistor operation. When a small current flows into the base terminal, it controls a larger current flowing between the collector and emitter terminals. This amplification effect allows the transistor to amplify signals or act as a switch in electronic circuits.

Detailed Application Field Plans

The INN2904K-TL finds applications in various fields, including:

1. Audio Amplification: The transistor can be used in audio amplifiers to boost weak audio signals for better sound quality.
2. Switching Circuits: Its fast switching speed makes it suitable for use in digital logic circuits and switching power supplies.
3. RF Amplification: The low noise figure and high gain make it ideal for use in radio frequency (RF) amplifiers.
4. Motor Control: The transistor can be employed in motor control circuits to regulate the speed and direction of motors.

Detailed and Complete Alternative Models

1. 2N3904: A widely used NPN transistor with similar characteristics and pin configuration.
2. BC547: Another popular NPN transistor suitable for general-purpose applications.
3. MPSA42: A high-voltage NPN transistor with higher current handling capabilities.

These alternative models offer similar functionality and can be used as substitutes for the INN2904K-TL depending on specific requirements.

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