BC847B,215

The BC847B,215 is a small-signal NPN transistor manufactured by Nexperia, designed for various electronic applications. It is part of the BC847 series, which is widely used in low-power amplification and switching applications. Here’s a detailed description of its key features and specifications:

Physical Characteristics:

• Package Type: The BC847B,215 is typically housed in a SOT-23 package, which is a compact, surface-mount package that allows for efficient use of space on printed circuit boards (PCBs).
• Dimensions: The SOT-23 package generally measures approximately 2.9 mm x 1.3 mm x 1.1 mm, making it suitable for applications where space is a constraint.

Electrical Specifications:

• Transistor Type: NPN
• Maximum Collector-Emitter Voltage (Vce): The BC847B can handle a maximum Vce of 45V, making it suitable for a variety of applications without the risk of breakdown.
• Maximum Collector Current (Ic): It can support a maximum collector current of 100 mA, which is adequate for low-power applications.
• DC Current Gain (hFE): The transistor has a minimum DC current gain (hFE) of 100 at a collector current of 10 mA, which indicates its efficiency in amplifying signals.
• Transition Frequency (fT): The transition frequency is typically around 150 MHz, allowing for high-speed switching applications.

Thermal Characteristics:

• Junction Temperature (Tj): The maximum junction temperature is rated at 150°C, which provides a good thermal margin for reliable operation in various environments.
• Thermal Resistance: The thermal resistance from junction to ambient is low, ensuring effective heat dissipation during operation.

Applications:

The BC847B,215 is suitable for a wide range of applications, including:

• Signal Amplification: Used in audio and radio frequency applications for amplifying weak signals.
• Switching: Ideal for low-power switching applications in digital circuits.
• Level Shifting: Can be used in level shifting applications where signal levels need to be adjusted between different voltage domains.

Additional Features:

• Low Noise: The transistor is designed to operate with low noise levels, making it suitable for audio and sensitive signal applications.
• High Reliability: Nexperia is known for producing high-quality components, and the BC847B,215 is no exception, offering reliability in various operating conditions.

Conclusion:

The BC847B,215 from Nexperia is a versatile and reliable NPN transistor that is well-suited for a variety of low-power electronic applications. Its compact size, robust electrical specifications, and thermal performance make it a popular choice among engineers and designers in the electronics industry.