NXP BC859 - PNP Bipolar Transistor

The NXP BC859 is a high-quality PNP bipolar junction transistor (BJT) designed for general-purpose switching and amplification applications. This versatile transistor is a preferred choice for designers due to its reliable performance and the robustness it brings to electronic circuits. It is well-suited for a wide range of applications, from audio amplifiers to signal processing and power management in consumer electronics, industrial systems, and automotive modules.

Key Features

• Type: PNP
• Package: SOT-23 surface-mount package for compact design
• Collector-Emitter Voltage (Vceo): -45V, offering a good range for various applications
• Collector Current (Ic): Up to -100mA for moderate power handling
• Power Dissipation (Pd): 250mW, suitable for low to medium power applications
• DC Current Gain (hFE): High hFE at 100 minimum, providing efficient current amplification
• Transition Frequency (fT): 100MHz minimum, enabling use in high-frequency circuits
• Low Noise: Excellent choice for audio applications due to its low noise characteristics
• Moisture Sensitivity Level: MSL 1, ensuring stability and reliability in various environments

Applications

The BC859 by NXP is an industry-standard transistor that finds its place in numerous electronic applications. Some common uses include:

• Signal processing circuits
• Audio amplifiers and pre-amplifiers
• Low-power voltage regulators
• Driver stages in hi-fi equipment and televisions
• Switching loads in battery-powered devices

Quality and Reliability

NXP Semiconductors is known for its commitment to quality, and the BC859 is no exception. This transistor is produced with high manufacturing standards, ensuring consistent performance and durability across the product's lifespan. With its robust construction and proven design, the BC859 stands as a reliable component for any electronic project or commercial product.