ONSEMI BC337-40BU NPN Bipolar Transistor, 45V, 800mA, TO92-3

The ONSEMI BC337-40BU is a high-performance NPN epitaxial silicon transistor, engineered for reliability and versatility in a wide range of electronic circuits. Its robust construction and electrical characteristics make it a staple component for designers and hobbyists alike, offering a dependable solution for signal amplification and switching tasks.

This transistor is ideally suited for AF-driver stages and low-power output stages, providing clear and efficient audio signal handling. Its capability extends to general-purpose amplifier applications and fast switching functions, making it a fundamental building block in both analogue and digital designs. The BC337-40BU is the direct complement to the PNP-type BC327, allowing for the creation of complementary push-pull amplifier configurations for improved performance and efficiency.

Key Specifications & Features

• High Voltage Rating: With a maximum collector-emitter voltage (V_CE) of 45V, it can handle significant voltage swings in circuit applications.
• Substantial Current Capacity: A continuous collector current (I_C) rating of 800mA supports a variety of low to medium power driving tasks.
• Excellent Gain: A minimum DC current gain (h_FE) of 170 ensures strong signal amplification from a small base current.
• Fast Switching: A transition frequency of 100MHz allows for effective use in high-frequency switching and amplification circuits.
• Robust Power Handling: Capable of dissipating up to 625mW of power, enhancing thermal stability during operation.
• Wide Temperature Range: An operating temperature maximum of 150°C ensures reliable performance in demanding environments.
• Standard Package: Housed in the ubiquitous TO92-3 through-hole package with 3 pins for easy prototyping and robust soldered connections on printed circuit boards (PCBs).

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