ON Semiconductor BC817-40WT1G NPN Bipolar Transistor

The ON Semiconductor BC817-40WT1G is a high-performance NPN bipolar (BJT) transistor that is designed to meet the needs of a wide range of electronic applications. This small-signal transistor is particularly well-suited for use in general-purpose switching and amplification tasks due to its combination of low voltage and high current capabilities.

Key Features:

• Device Type: NPN Bipolar Junction Transistor (BJT)
• Package: SOT-323, which provides a compact footprint suitable for space-constrained applications.
• Collector-Emitter Voltage (Vceo): 45V, which allows it to handle moderate voltage applications with ease.
• Collector Current (Ic): Up to 500 mA, offering robust current handling for a variety of circuits.
• DC Current Gain (hFE): 160-400 at 100 mA, ensuring good amplification characteristics for signal processing.
• Power Dissipation: 300 mW, making it capable of handling moderate levels of power.
• Operating Temperature Range: -55°C to +150°C, providing reliable performance across a wide range of environmental conditions.

The BC817-40WT1G is recognized for its reliability and efficiency, making it a preferred choice for design engineers. Its high current gain bandwidth and fast switching speeds make it suitable for high-frequency operation. Additionally, the SOT-323 package is designed for surface mount technology (SMT), which enables automated assembly processes and contributes to a reduction in the overall size of electronic devices.

Applications for the BC817-40WT1G are diverse and include, but are not limited to, driver stages in audio amplifiers, signal amplification in communication devices, and control circuits in power management solutions. Its robust construction ensures a long operational life, even in demanding conditions, which is a hallmark of ON Semiconductor's commitment to quality and durability.

Whether you're designing consumer electronics, industrial control systems, or portable devices, the ON Semiconductor BC817-40WT1G offers a blend of performance and compact packaging that can help enhance your product's performance and reliability.