The BC109C is a small signal NPN bipolar junction transistor (BJT) known for its low noise and excellent hFE linearity, making it a preferred choice for audio pre-amplification and other signal processing applications where low noise is a critical parameter. Manufactured by NXP Semiconductors, a leader in the electronics industry, this transistor is designed for high performance and reliability.

Key Features

• Type: NPN
• Package: TO-18 Metal Can
• Collector-Emitter Voltage (V_CEO): 30V
• Collector-Base Voltage (V_CBO): 30V
• Emitter-Base Voltage (V_EBO): 5V
• Collector Current (I_C): 100mA
• Power Dissipation (P_D): 300mW
• DC Current Gain (hFE): 200 to 450
• Transition Frequency (f_T): 150MHz
• Low Noise: Ideal for audio applications

Applications

The BC109C transistor is versatile and can be used in a variety of electronic circuits. It is particularly well-suited for:

• Audio amplifiers and pre-amplifiers
• Signal processing
• Small signal switching
• General-purpose amplification

Reliability and Quality

NXP Semiconductors is known for their commitment to quality and the BC109C is no exception. It is built to the highest standards, ensuring consistent performance and durability. The TO-18 metal can package not only provides a robust housing but also aids in heat dissipation, further enhancing the longevity of the device.

Conclusion

Whether you're designing audio equipment or working on signal processing projects, the BC109C from NXP offers the performance and low noise characteristics you need. Its robust construction and proven design make it a reliable choice for both hobbyists and professional engineers alike.