ON Semiconductor BC858ALT1G - PNP Bipolar Transistor

The ON Semiconductor BC858ALT1G is a high-performance PNP bipolar transistor designed to meet the needs of a wide range of electronic applications. This versatile component is well-suited for amplification and switching purposes, offering a blend of reliability and efficiency in a compact SOT-23 package. The BC858ALT1G is a popular choice among engineers and designers for its low noise and excellent linearity, making it ideal for audio amplification, signal processing, and power management applications.

Key Features

• PNP Bipolar Junction Transistor: The BC858ALT1G is a PNP transistor, which means it is controlled by the movement of holes and is primarily used for low-power amplification and switching.
• High Collector-Emitter Voltage: With a V_CEO of -30 V, it can handle moderate voltage applications, providing flexibility in circuit design.
• Collector Current: It supports a continuous collector current (I_C) of up to -100 mA, making it suitable for a range of low to medium power requirements.
• Gain Bandwidth Product (f_T): The transistor offers a gain bandwidth product of 100 MHz, ensuring good frequency response for amplification purposes.
• Low Saturation Voltage: The low V_CE(sat) minimizes power loss and improves efficiency, particularly important in battery-powered devices.
• Small Package Size: Encased in a SOT-23 package, the BC858ALT1G is optimized for space-constrained applications.

Applications

The BC858ALT1G is commonly used in a variety of circuits and applications, including:

• Audio Amplifiers
• Signal Processing Circuits
• Power Management Systems
• Driver Stages in Hi-Fi Amplifiers and Television Circuits
• General Purpose Switching

ON Semiconductor's commitment to quality ensures that the BC858ALT1G transistor is a reliable and cost-effective solution for designers seeking to optimize their electronic designs. Whether you're working on an innovative new product or updating an existing design, the BC858ALT1G offers the performance and versatility required to meet the challenges of modern electronics.