Overview
The BC857QAS/S500147 is a small signal bipolar transistor produced by NXP USA Inc. This discrete semiconductor component is part of the BC857 series, known for its reliability and versatility in various electronic applications. The transistor is packaged in a bulk format, making it suitable for a wide range of uses in electronic circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Transistor Type | NPN General Purpose Transistor |
| Package Type | SOT23 (TO-236) |
| Collector-Base Voltage (Vcb) | 30 V |
| Collector-Emitter Voltage (Vce) | 30 V |
| Emitter-Base Voltage (Veb) | 5 V |
| Collector Current (Ic) | 100 mA |
| Base Current (Ib) | 50 mA |
| Power Dissipation (Ptot) | 250 mW |
| Operating Temperature Range | -55°C to 150°C |
Key Features
The BC857QAS/S500147 offers several key features that make it a popular choice in electronic design:
- Low Noise Figure: Suitable for applications requiring low noise levels.
- High Current Gain: Ensures reliable amplification in various circuits.
- Compact SOT23 Package: Ideal for space-constrained designs.
- Wide Operating Temperature Range: Can operate in harsh environmental conditions.
- General Purpose Use: Versatile enough to be used in a variety of applications, including switching and amplification.
Applications
The BC857QAS/S500147 is widely used in various electronic applications, including:
- Audio Amplifiers: Due to its low noise figure and high current gain.
- Switching Circuits: For its reliability and fast switching times.
- Automotive Electronics: Given its robustness and wide operating temperature range.
- Industrial Control Systems: For its durability and versatility.
- Consumer Electronics: In devices such as radios, TVs, and other household appliances.
Q & A
- Q: What is the package type of the BC857QAS/S500147 transistor?
A: The BC857QAS/S500147 transistor is packaged in a SOT23 (TO-236) format. - Q: What is the maximum collector current of the BC857QAS/S500147?
A: The maximum collector current is 100 mA. - Q: What is the operating temperature range of the BC857QAS/S500147?
A: The operating temperature range is -55°C to 150°C. - Q: Is the BC857QAS/S500147 suitable for high-power applications?
A: No, it is designed for low to medium power applications due to its power dissipation limit of 250 mW. - Q: What are some common applications of the BC857QAS/S500147?
A: It is commonly used in audio amplifiers, switching circuits, automotive electronics, industrial control systems, and consumer electronics. - Q: Who is the manufacturer of the BC857QAS/S500147?
A: The BC857QAS/S500147 is manufactured by NXP USA Inc. - Q: What is the collector-base voltage (Vcb) of the BC857QAS/S500147?
A: The collector-base voltage (Vcb) is 30 V. - Q: Is the BC857QAS/S500147 a NPN or PNP transistor?
A: The BC857QAS/S500147 is an NPN transistor. - Q: Where can I find detailed specifications for the BC857QAS/S500147?
A: Detailed specifications can be found on the datasheet available on websites such as DigiKey, WIN SOURCE, and the manufacturer's official website. - Q: What is the typical use case for the BC857QAS/S500147 in audio applications?
A: It is often used in audio amplifiers due to its low noise figure and high current gain.
