BC847BLT1G

The BC847BLT1G is a general-purpose NPN bipolar junction transistor (BJT) manufactured by ON Semiconductor. It is designed for a variety of applications, including switching and amplification in low-power electronic circuits. Here’s a detailed description of its key features and specifications:

Package and Form Factor

• Package Type: The BC847BLT1G is typically housed in a SOT-23 package, which is a small, surface-mount device (SMD) that allows for efficient use of board space. The SOT-23 package has three terminals and is designed for easy integration into compact electronic designs.

Electrical Characteristics

• Transistor Type: NPN
• Collector-Emitter Voltage (Vce): The maximum collector-emitter voltage is rated at 45V, making it suitable for a wide range of applications.
• Collector Current (Ic): The maximum continuous collector current is 100mA, which allows it to handle moderate loads.
• Gain (hFE): The DC current gain (hFE) ranges from 100 to 600, depending on the collector current, providing good amplification capabilities.
• Base-Emitter Voltage (Vbe): The typical base-emitter voltage is around 0.7V when the transistor is in the active region.

Thermal Characteristics

• Junction Temperature (Tj): The maximum junction temperature is rated at 150°C, allowing for operation in a variety of thermal environments.
• Thermal Resistance: The thermal resistance from junction to ambient (RθJA) is typically around 250°C/W, which is important for thermal management in circuit design.

Applications

The BC847BLT1G is widely used in:

• Signal Amplification: It can amplify weak signals in audio and radio frequency applications.
• Switching Applications: It is suitable for low-power switching tasks in various electronic devices.
• General Purpose Use: Its versatility makes it a common choice in consumer electronics, automotive applications, and industrial controls.

Additional Features

• Low Noise: The BC847BLT1G is designed to operate with low noise levels, making it ideal for audio and sensitive signal applications.
• High Reliability: As a product from ON Semiconductor, it is manufactured under strict quality control standards, ensuring high reliability and performance.

Conclusion

The BC847BLT1G is a compact, efficient, and versatile NPN transistor that is well-suited for a variety of electronic applications. Its combination of high voltage and current ratings, along with its small package size, makes it a popular choice among engineers and designers in the electronics industry.