Overview
The BC857AQA147 is a bipolar junction transistor (BJT) produced by NXP USA Inc. This component is part of the BC857 series, which is known for its reliability and versatility in various electronic applications. The BC857AQA147 is particularly suited for switching and amplifier applications due to its robust characteristics and low noise operation.
Key Specifications
| Parameter | Value |
|---|---|
| Transistor Type | NPN |
| Package | SOT23 |
| Collector-Emitter Voltage (Vceo) | 45V |
| Collector-Base Voltage (Vcbo) | 50V |
| Emitter-Base Voltage (Vebo) | 5V |
| Collector Current (Ic) | 100mA |
| Base Current (Ib) | 5mA |
| Power Dissipation (Ptot) | 250mW |
| Operating Temperature Range | -55°C to 150°C |
| Moisture Sensitivity Level | Level 1 per J-STD-020 |
Key Features
- Low noise operation, making it suitable for audio and switching applications.
- High collector-emitter voltage (Vceo) of 45V, providing robust performance.
- Compact SOT23 package, ideal for space-constrained designs.
- Low power dissipation of 250mW, contributing to energy efficiency.
- Wide operating temperature range from -55°C to 150°C, enhancing reliability in various environments.
Applications
The BC857AQA147 is versatile and can be used in a variety of applications, including:
- Switching circuits: Due to its high collector-emitter voltage and low noise operation, it is ideal for switching applications.
- Amplifier circuits: Suitable for audio and other amplifier applications where low noise is critical.
- Automotive electronics: Its robust characteristics and wide operating temperature range make it suitable for automotive applications.
- Industrial control systems: Can be used in various industrial control and automation systems.
Q & A
- What is the collector-emitter voltage (Vceo) of the BC857AQA147?
The collector-emitter voltage (Vceo) of the BC857AQA147 is 45V. - What is the package type of the BC857AQA147?
The BC857AQA147 comes in a SOT23 package. - What is the maximum collector current (Ic) of the BC857AQA147?
The maximum collector current (Ic) is 100mA. - What is the operating temperature range of the BC857AQA147?
The operating temperature range is from -55°C to 150°C. - What is the moisture sensitivity level of the BC857AQA147?
The moisture sensitivity level is Level 1 per J-STD-020. - What are the typical applications of the BC857AQA147?
The BC857AQA147 is typically used in switching circuits, amplifier circuits, automotive electronics, and industrial control systems. - What is the power dissipation (Ptot) of the BC857AQA147?
The power dissipation (Ptot) is 250mW. - Is the BC857AQA147 suitable for high-frequency applications?
While it can be used in some high-frequency applications, its suitability depends on the specific requirements of the application. - Can the BC857AQA147 be used in harsh environmental conditions?
Yes, it can be used in harsh environmental conditions due to its wide operating temperature range and robust characteristics. - Where can I find more detailed specifications for the BC857AQA147?
You can find more detailed specifications on the official NXP website or through authorized distributors like Digi-Key, Mouser, or Avnet.
