CP8138ATT

Product Overview

• Category: Electronic Component
• Use: Signal Amplification and Conditioning
• Characteristics: High Gain, Low Noise, Wide Bandwidth
• Package: TO-92
• Essence: Transistor
• Packaging/Quantity: 100 pieces per pack

Specifications

• Type: NPN Transistor
• Maximum Collector Current: 500mA
• Maximum Collector-Emitter Voltage: 40V
• Maximum Power Dissipation: 625mW
• Transition Frequency: 300MHz
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The CP8138ATT transistor has three pins:

1. Base (B): This pin is used to control the flow of current through the transistor.
2. Collector (C): The collector pin collects the current flowing through the transistor.
3. Emitter (E): The emitter pin emits the current collected by the collector.

Functional Features

• High Gain: The CP8138ATT offers high voltage gain, making it suitable for amplifying weak signals.
• Low Noise: It has low noise characteristics, ensuring minimal interference in signal processing applications.
• Wide Bandwidth: The transistor provides a wide frequency range, enabling it to handle various signal types.

Advantages and Disadvantages

Advantages

• High gain allows for effective signal amplification.
• Low noise ensures accurate signal conditioning.
• Wide bandwidth enables handling of diverse signal frequencies.
• TO-92 package offers easy installation and heat dissipation.

Disadvantages

• Limited maximum collector current may restrict certain high-power applications.
• Maximum power dissipation may limit usage in high-temperature environments.

Working Principles

The CP8138ATT operates based on the principles of bipolar junction transistors (BJTs). It utilizes the NPN configuration, where the base current controls the flow of current between the collector and emitter. By adjusting the base current, the transistor can amplify or switch signals.

Detailed Application Field Plans

The CP8138ATT transistor finds applications in various fields, including:

1. Audio Amplification: It can be used to amplify audio signals in audio systems, such as amplifiers and speakers.
2. Sensor Interface: The transistor can condition weak signals from sensors, making it suitable for sensor interface circuits.
3. Communication Systems: It is utilized in radio frequency (RF) circuits for signal amplification and modulation.
4. Oscillators: The transistor can be employed in oscillator circuits for generating stable oscillations.

Detailed and Complete Alternative Models

• BC547
• 2N3904
• PN2222
• MPSA18
• 2SC945

These alternative models offer similar characteristics and can be used as substitutes for the CP8138ATT transistor in various applications.

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