The NXP BC817W is a small-signal NPN bipolar junction transistor (BJT) designed for general-purpose switching and amplification applications. This versatile component is a key element in a wide range of electronic circuits, from consumer electronics to industrial control systems. The BC817W is housed in a compact SOT-323 package, making it suitable for space-constrained applications.

Key Features

• High Current Capability: The BC817W can handle continuous collector currents up to 500 mA, allowing it to drive moderate loads directly.
• Low Voltage Operation: With a maximum collector-emitter voltage of 45 V, it is suitable for low to medium voltage applications.
• High Gain Bandwidth Product: It offers a transition frequency of 100 MHz, making it suitable for amplification in RF and other high-frequency applications.
• Surface-Mount Package: The SOT-323 package is ideal for automated assembly processes and helps reduce the overall size of the circuit.

Applications

The BC817W's characteristics make it well-suited for a variety of applications, including:

• Switching loads in portable devices
• Driver stages in hi-fi amplifiers and audio equipment
• Signal processing in telecommunication devices
• Control circuits in power management solutions

Technical Specifications

Parameter Value Package SOT-323 Transistor Polarity NPN Collector-Emitter Voltage (Vceo) 45 V Collector Current (Ic) 500 mA Power Dissipation (Pd) 250 mW DC Current Gain (hFE) 100 to 600 Transition Frequency (fT) 100 MHz

The NXP BC817W is a reliable and efficient solution for designers looking for a general-purpose transistor with a balance of performance and size. Its robustness and versatility make it an essential component in a multitude of electronic applications.