Overview
The BC857CLT1 is a general-purpose PNP bipolar junction transistor (BJT) manufactured by onsemi. Although this specific part is now obsolete and no longer in production, it was widely used in various electronic circuits due to its robust performance and reliability. The BC857 series, including the BC857CLT1, is known for its high current gain and low noise characteristics, making it suitable for a range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Emitter Voltage (VCEO) | -45 | V |
| Collector-Base Voltage (VCBO) | -50 | V |
| Emitter-Base Voltage (VEBO) | -5.0 | V |
| Collector Current - Continuous (IC) | -100 | mA |
| Base-Emitter On Voltage (VBE(on)) | -0.7 to -0.9 | V |
| Current Gain (hFE) | 100 to 630 | |
| Junction and Storage Temperature (TJ, Tstg) | -55 to +150 | °C |
| Package Type | SOT-23 (TO-236AB) |
Key Features
- AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements.
- Pb-free, halogen-free/BFR-free, and RoHS compliant.
- High current gain and low noise characteristics.
- General-purpose PNP bipolar junction transistor with a wide range of applications.
- Compact SOT-23 package for space-efficient designs.
Applications
The BC857CLT1, like other transistors in the BC857 series, is versatile and can be used in a variety of applications, including:
- Amplifier circuits
- Switching circuits
- Audio and video equipment
- Automotive electronics
- General-purpose electronic circuits requiring high reliability and performance.
Q & A
- What is the BC857CLT1 transistor?
The BC857CLT1 is a general-purpose PNP bipolar junction transistor manufactured by onsemi. - Why is the BC857CLT1 obsolete?
The BC857CLT1 is no longer in production and has been replaced by other models such as the BC857CLT1G. - What are the key specifications of the BC857CLT1?
Key specifications include a collector-emitter voltage of -45V, collector-base voltage of -50V, and emitter-base voltage of -5.0V. - What are the typical applications of the BC857CLT1?
It is used in amplifier circuits, switching circuits, audio and video equipment, and automotive electronics. - Is the BC857CLT1 RoHS compliant?
Yes, the BC857CLT1 is Pb-free, halogen-free/BFR-free, and RoHS compliant. - What is the package type of the BC857CLT1?
The BC857CLT1 comes in a SOT-23 (TO-236AB) package. - What are the temperature ratings for the BC857CLT1?
The junction and storage temperature range is -55°C to +150°C. - What is the current gain of the BC857CLT1?
The current gain (hFE) ranges from 100 to 630. - Is the BC857CLT1 suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable. - Where can I find a substitute for the BC857CLT1?
A suitable substitute is the BC857CLT1G, which is available from onsemi.
