CP7995ATT - English Editing Encyclopedia Entry

Product Overview

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

Specifications

• Type: NPN Bipolar Junction Transistor
• Maximum Collector Current (Ic): 500mA
• Maximum Collector-Emitter Voltage (Vce): 40V
• Maximum Power Dissipation (Pd): 625mW
• Transition Frequency (ft): 300MHz
• Collector-Emitter Saturation Voltage (Vce(sat)): 0.2V
• Base-Emitter Voltage (Vbe): 1.2V

Detailed Pin Configuration

The CP7995ATT transistor has three pins:

1. Collector (C): This pin is connected to the positive terminal of the power supply or load.
2. Base (B): The input signal is applied to this pin for amplification.
3. Emitter (E): This pin is connected to the negative terminal of the power supply or ground.

Functional Features

• High gain and low noise characteristics make it suitable for audio amplification applications.
• Fast switching speed allows for efficient signal processing.
• Compact TO-92 package enables easy integration into various circuit designs.
• Wide operating temperature range (-55°C to +150°C) ensures reliability in different environments.

Advantages and Disadvantages

Advantages: - High gain amplification capability - Low noise performance - Compact size for easy integration - Wide operating temperature range

Disadvantages: - Limited maximum collector current (500mA) - Moderate transition frequency (300MHz)

Working Principles

The CP7995ATT transistor operates based on the principles of bipolar junction transistors. When a small current is applied to the base pin, it controls a larger current flowing between the collector and emitter pins. This amplification effect allows the transistor to boost weak signals while maintaining low noise levels.

Detailed Application Field Plans

The CP7995ATT transistor finds applications in various fields, including:

1. Audio Amplification: It can be used in audio systems to amplify weak audio signals from sources such as microphones or musical instruments.
2. Radio Frequency (RF) Circuits: The transistor's high gain and fast switching speed make it suitable for RF signal processing in communication devices.
3. Sensor Interfaces: It can be utilized in sensor circuits to amplify weak sensor signals before further processing.
4. Oscillator Circuits: The transistor can be employed in oscillator circuits to generate stable oscillations for clock signals or frequency generation.

Detailed and Complete Alternative Models

1. BC547 - NPN Transistor
2. 2N3904 - NPN Transistor
3. 2SC945 - NPN Transistor
4. MPSA18 - NPN Darlington Transistor
5. PN2222 - NPN Transistor

These alternative models offer similar characteristics and can be used as substitutes for the CP7995ATT transistor in various applications.

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