Overview
The BC857BQA147 is a small signal bipolar transistor manufactured by NXP USA Inc. This component is part of NXP's extensive range of bipolar transistors, designed to meet various requirements in electronic circuits. The BC857BQA147 is known for its reliability, high performance, and compliance with RoHS standards, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Transistor Type | NPN | - |
| Collector-Emitter Voltage (Vce) | 45 | V |
| Collector Current (Ic) | 100 | mA |
| DC Current Gain (hFE) | 420-520 | - |
| Collector-Emitter Saturation Voltage (Vce(sat)) | -250 to -650 | mV |
| Base-Emitter Turn-On Voltage (Vbe(on)) | -600 to -750 | mV |
| Operating Temperature Range | -55 to +150 | °C |
| Package | SOT23 | - |
| Moisture Sensitivity | Level 1 per J-STD-020 | - |
Key Features
- High DC Current Gain: The BC857BQA147 offers a high DC current gain (hFE) ranging from 420 to 520, ensuring reliable and efficient operation in various circuits.
- Low Saturation Voltage: With a collector-emitter saturation voltage (Vce(sat)) as low as -250 to -650 mV, this transistor minimizes power losses and enhances overall circuit performance.
- Broad Operating Temperature Range: The transistor operates within a temperature range of -55 to +150°C, making it suitable for diverse environmental conditions.
- RoHS Compliance: The BC857BQA147 is lead-free and RoHS compliant, aligning with modern environmental standards.
- Compact SOT23 Package: The small SOT23 package makes it ideal for space-constrained designs and high-density applications.
Applications
The BC857BQA147 is versatile and can be used in a variety of applications, including:
- General Purpose Amplification: Suitable for general-purpose amplification in audio, video, and other signal processing circuits.
- Switching Circuits: Can be used in switching applications due to its low saturation voltage and high current gain.
- Automotive Electronics: Applicable in automotive systems where reliability and robustness are crucial.
- Industrial Control Systems: Used in industrial control circuits for its stability and performance over a wide temperature range.
Q & A
- What is the collector-emitter voltage (Vce) of the BC857BQA147?
The collector-emitter voltage (Vce) of the BC857BQA147 is 45V. - What is the maximum collector current (Ic) of the BC857BQA147?
The maximum collector current (Ic) of the BC857BQA147 is 100 mA. - What is the DC current gain (hFE) of the BC857BQA147?
The DC current gain (hFE) of the BC857BQA147 ranges from 420 to 520. - What is the operating temperature range of the BC857BQA147?
The operating temperature range of the BC857BQA147 is -55 to +150°C. - Is the BC857BQA147 RoHS compliant?
Yes, the BC857BQA147 is lead-free and RoHS compliant. - What package type does the BC857BQA147 use?
The BC857BQA147 uses the SOT23 package. - What are some common applications of the BC857BQA147?
The BC857BQA147 is commonly used in general-purpose amplification, switching circuits, automotive electronics, and industrial control systems. - What is the moisture sensitivity level of the BC857BQA147?
The moisture sensitivity level of the BC857BQA147 is Level 1 per J-STD-020. - What is the base-emitter turn-on voltage (Vbe(on)) of the BC857BQA147?
The base-emitter turn-on voltage (Vbe(on)) of the BC857BQA147 ranges from -600 to -750 mV. - Can the BC857BQA147 be used in high-density applications?
Yes, the compact SOT23 package of the BC857BQA147 makes it suitable for high-density applications.
