The ON Semiconductor BC858BWT1 represents a high-quality PNP bipolar junction transistor (BJT) designed for general-purpose amplifier and switching applications. This versatile component is a staple in electronic circuits due to its reliable performance and the efficiency it provides in signal processing tasks.

Key Features

• Transistor Polarity: PNP - This indicates that the BC858BWT1 is designed for use in circuits where the majority charge carriers are holes, making it suitable for positive signal amplification.
• Collector-Emitter Voltage (Vceo): 30V - The maximum voltage the transistor can withstand from collector to emitter while the base is open-circuited.
• Collector Current (Ic): 100mA - The maximum continuous current that can flow through the collector of the transistor.
• Power Dissipation (Pd): 250mW - The amount of power the BC858BWT1 can dissipate without exceeding its maximum operating temperature.
• DC Current Gain (hFE): 200-450 - A measure of the transistor's ability to amplify the current, with a range indicating performance across various conditions.
• Operating and Storage Junction Temperature Range: -55°C to +150°C - Ensures reliable operation across a wide range of environmental conditions.

Package and Applications

The BC858BWT1 comes in a SOT-323 package, which is known for its small footprint and suitability for high-density mounting on PCBs. The transistor's PNP configuration and electrical characteristics make it an ideal choice for use in a variety of applications, including:

• Signal amplification in audio devices
• Driver stages in low-power applications
• Switching operations in embedded systems
• Voltage regulation circuits
• Linear amplification stages

With ON Semiconductor's commitment to quality, the BC858BWT1 is manufactured to meet stringent industry standards, ensuring reliability and performance for designers and engineers looking to incorporate a dependable PNP transistor into their electronic designs.