2N2905A-Transistor PNP Amplifier Transistor in TO-18 Metal Can Package by ON Semiconductor

2N2905A-Transistor Overview

The 2N2905A is a widely used PNP bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Its robust construction supports moderate current and voltage levels, making it a reliable choice for industrial and consumer electronics. With a maximum collector current of 600mA and collector-emitter voltage up to 60V, this transistor delivers stable performance in low to medium power circuits. The 2N2905A??s complementary relationship with the 2N2222 NPN transistor allows for versatile push-pull configurations and amplifier stages. Engineers and sourcing specialists rely on its proven track record for dependable operation in analog and digital systems. For detailed sourcing and technical support, visit IC Manufacturer.

2N2905A-Transistor Technical Specifications

2N2905A-Transistor Key Features

• High Collector Current Capacity: Supports up to 600mA, enabling effective switching and amplification in medium power circuits.
• Voltage Handling Capability: Withstands collector-emitter voltages up to 60V, suitable for a range of industrial control and signal processing tasks.
• Wide DC Current Gain Range: Offers a gain between 100 and 300, ensuring consistent signal amplification across various operating conditions.
• Fast Transition Frequency: Operates up to 100 MHz, allowing for efficient high-frequency applications including RF circuits and audio amplification.
• Robust TO-18 Metal Can Package: Provides excellent thermal stability and mechanical durability for harsh industrial environments.
• Complementary Pair Capability: PNP device complements NPN 2N2222, enabling push-pull amplifier designs and versatile circuit topologies.

Typical Applications

• Signal amplification in analog circuits such as audio preamplifiers and voltage amplifiers, where stable gain and linearity are critical.
• Switching applications in industrial controls, providing reliable on/off control for relays, solenoids, and indicator lights.
• Push-pull amplifier stages paired with complementary NPN transistors for improved efficiency in power amplification.
• General-purpose transistor usage in low to medium power consumer electronics, including battery-powered devices and sensor interfaces.

2N2905A-Transistor Advantages vs Typical Alternatives

This PNP transistor offers a balanced combination of voltage tolerance, current capacity, and gain, making it advantageous over typical low-power transistors. Its TO-18 metal can package enhances thermal dissipation compared to plastic encapsulated alternatives, improving reliability in demanding environments. The complementary pairing with the popular 2N2222 transistor simplifies design integration in push-pull circuits. Overall, it provides an optimal balance of performance and durability for engineers seeking dependable switching and amplification components.

2N2905