The BC817-40 is a high-performance NPN bipolar (BJT) transistor manufactured by NXP Semiconductors, renowned for its reliability and efficiency in a wide array of electronic applications. Designed for general-purpose switching and amplification tasks, this versatile component is a staple in the electronics industry.

Key Features

• Current Handling: The BC817-40 can handle continuous collector currents up to 500 mA, making it suitable for moderate power applications.
• Voltage Ratings: It has a collector-emitter voltage (V<sub>CEO) of 45 V and a collector-base voltage (V<sub>CBO) of 50 V, providing a good margin for varied electronic circuits.
• High Gain Bandwidth Product: With a transition frequency of 100 MHz, it is excellent for amplification in RF and high-speed signal processing applications.
• Gain: The transistor has a high DC current gain (h<sub>FE) range from 250 to 600, ensuring robust amplification performance.

Applications

The BC817-40 transistor is commonly used in:

• Switching and linear amplification
• Driver stages in audio amplifiers
• Signal processing
• Power management functions
• Control systems

Package and Installation

The component comes in a compact SOT-23 surface-mount package, which is ideal for automated assembly processes and space-constrained applications. The small footprint allows for high-density PCB layouts, while the package is designed for optimal thermal performance.

Quality and Reliability

NXP's commitment to quality ensures that the BC817-40 transistor meets stringent industry standards for performance and reliability. It is a preferred choice for designers who require a dependable solution that can withstand the rigors of both industrial and consumer electronic devices.

Environmental Compliance

Adhering to environmental regulations, the BC817-40 is RoHS compliant, ensuring that it is manufactured with a focus on environmental safety and sustainability.