Overview
The BC857BS-QX is a PNP general-purpose double transistor produced by Nexperia USA Inc. It is packaged in a very small SOT363 (SC-88) Surface-Mounted Device (SMD) plastic package, making it ideal for space-constrained applications. This transistor is part of Nexperia’s extensive portfolio of bipolar transistors, known for their high performance and reliability across various industries.
Key Specifications
| Parameter | Value |
|---|---|
| Type number | BC857BS |
| Package | SOT363 (SC-88) |
| Channel type | PNP |
| Configuration | 2 transistors |
| Total power dissipation (Ptot) | 200 mW |
| Maximum collector-emitter voltage (VCEO) | 45 V |
| Maximum collector current (IC) | 100 mA |
| Minimum current gain (hFE) | 200 |
| Maximum current gain (hFE) | 450 |
| Maximum junction temperature (TJ) | 150°C |
| Minimum transition frequency (fT) | 100 MHz |
| Automotive qualified | No |
Key Features
- Low collector capacitance and low collector-emitter saturation voltage, enhancing switching and amplification performance.
- Closely matched current gain, reducing the need for external matching components.
- No mutual interference between the transistors, ensuring reliable operation in dual-transistor configurations.
- Compact SOT363 package, reducing the number of components and board space.
- AEC-Q101 qualified for automotive applications, though the BC857BS-QX specifically is not automotive qualified.
Applications
The BC857BS-QX is suitable for a wide range of applications, including general-purpose switching and amplification. It is used in various industries such as automotive, industrial, power, computing, consumer electronics, mobile devices, and wearables. Its compact size and reliable performance make it an excellent choice for space-constrained designs.
Q & A
- What is the package type of the BC857BS-QX transistor?
The BC857BS-QX is packaged in a SOT363 (SC-88) Surface-Mounted Device (SMD) plastic package. - What is the maximum collector-emitter voltage (VCEO) of the BC857BS-QX?
The maximum collector-emitter voltage (VCEO) is 45 V. - What is the maximum collector current (IC) of the BC857BS-QX?
The maximum collector current (IC) is 100 mA. - What is the minimum current gain (hFE) of the BC857BS-QX?
The minimum current gain (hFE) is 200. - What is the maximum junction temperature (TJ) of the BC857BS-QX?
The maximum junction temperature (TJ) is 150°C. - Is the BC857BS-QX automotive qualified?
No, the BC857BS-QX is not automotive qualified, though it is part of a series that includes AEC-Q101 qualified variants. - What is the transition frequency (fT) of the BC857BS-QX?
The minimum transition frequency (fT) is 100 MHz. - What are the key features of the BC857BS-QX?
Key features include low collector capacitance, low collector-emitter saturation voltage, closely matched current gain, and no mutual interference between the transistors. - In what types of applications is the BC857BS-QX commonly used?
The BC857BS-QX is commonly used in general-purpose switching and amplification applications across various industries. - How does the compact package of the BC857BS-QX benefit design?
The compact SOT363 package reduces the number of components and board space, making it ideal for space-constrained designs.
