Overview
The BC857CQA147 is a small signal bipolar transistor manufactured by NXP USA Inc. This component is part of the BC857 series, which is widely used in various electronic applications due to its reliability and performance. The BC857CQA147 is designed to handle low to medium power requirements and is suitable for a range of uses, including switching and amplifier circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Base Voltage (VCB) | 45 | V |
| Collector-Emitter Voltage (VCE) | 45 | V |
| Emitter-Base Voltage (VEB) | 5 | V |
| Collector Current (IC) | 100 | mA |
| Base Current (IB) | 5 | mA |
| Power Dissipation (PD) | 350 | mW |
| Operating Temperature Range | -55 to +150 | °C |
| Package | SOT23 | |
| Moisture Sensitivity | Level 1 per J-STD-020 |
Key Features
- Low Noise and High Gain: The BC857CQA147 offers low noise and high current gain, making it suitable for amplifier applications.
- High Collector-Emitter Voltage: With a collector-emitter voltage of 45V, this transistor can handle medium power requirements effectively.
- Compact Package: The SOT23 package is compact and ideal for space-constrained designs.
- Wide Operating Temperature Range: The transistor operates over a temperature range of -55°C to +150°C, ensuring reliability in various environmental conditions.
Applications
- Switching Circuits: The BC857CQA147 is often used in switching applications due to its fast switching times and high current handling capability.
- Amplifier Circuits: Its high gain and low noise characteristics make it suitable for use in audio and other amplifier circuits.
- General Purpose Electronics: This transistor is versatile and can be used in a variety of general-purpose electronic circuits where medium power handling is required.
Q & A
- What is the collector-emitter voltage of the BC857CQA147?
The collector-emitter voltage (VCE) of the BC857CQA147 is 45V. - What is the maximum collector current of the BC857CQA147?
The maximum collector current (IC) of the BC857CQA147 is 100 mA. - What is the package type of the BC857CQA147?
The BC857CQA147 comes in a SOT23 package. - What is the operating temperature range of the BC857CQA147?
The operating temperature range of the BC857CQA147 is -55°C to +150°C. - What are the typical applications of the BC857CQA147?
The BC857CQA147 is typically used in switching circuits, amplifier circuits, and general-purpose electronics. - What is the moisture sensitivity level of the BC857CQA147?
The moisture sensitivity level of the BC857CQA147 is Level 1 per J-STD-020. - What is the power dissipation of the BC857CQA147?
The power dissipation (PD) of the BC857CQA147 is 350 mW. - Is the BC857CQA147 suitable for high-frequency applications?
While the BC857CQA147 can handle some high-frequency applications, it is generally more suited for low to medium frequency uses due to its characteristics. - Can the BC857CQA147 be used in automotive applications?
Yes, the BC857CQA147 can be used in automotive applications due to its robust specifications and wide operating temperature range. - Where can I find detailed specifications for the BC857CQA147?
Detailed specifications for the BC857CQA147 can be found in the datasheet available on NXP's official website or through distributors like Digi-Key and Mouser.
