PA95EC

Product Overview

• Category: Electronic Component
• Use: Amplifier Circuit
• Characteristics: High Gain, Low Noise
• Package: TO-92
• Essence: NPN Transistor
• Packaging/Quantity: Bulk Packaging, 1000 units per pack

Specifications

• Type: NPN
• 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 PA95EC 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 amplification capability
• Low noise performance
• Suitable for audio and RF applications
• Compact TO-92 package for easy integration
• Wide operating temperature range

Advantages and Disadvantages

Advantages: - High gain allows for signal amplification without significant distortion. - Low noise performance ensures clear and accurate signal reproduction. - Versatile applications in both audio and RF circuits. - Compact package enables space-saving designs. - Wide operating temperature range allows for use in various environments.

Disadvantages: - Limited maximum collector current may restrict usage in high-power applications. - Maximum collector-emitter voltage may limit voltage handling capabilities. - Transition frequency may affect high-frequency performance in certain applications.

Working Principles

The PA95EC is an NPN transistor that operates based on the principles of bipolar junction transistors (BJTs). It consists of three layers of semiconductor material - the emitter, base, and collector. By applying a small current or voltage to the base pin, the transistor can control a larger current flowing between the collector and emitter pins. This amplification capability makes it suitable for various circuit applications.

Detailed Application Field Plans

The PA95EC transistor finds application in a wide range of electronic circuits, including:

1. Audio Amplifiers: The high gain and low noise characteristics make it ideal for audio amplification, ensuring faithful reproduction of sound signals.
2. RF Amplifiers: Its frequency response and amplification capabilities suit RF signal amplification in communication systems.
3. Oscillators: The transistor's transition frequency allows for stable oscillation in oscillator circuits.
4. Switching Circuits: With its ability to control large currents, it can be used as a switch in digital and analog circuits.

Detailed and Complete Alternative Models

• BC547
• 2N3904
• PN2222
• 2SC945
• MPSA42

These alternative models offer similar functionality and characteristics to the PA95EC transistor, providing options for different design requirements.

Word count: 334 words