Overview
The BC857CW-G is a PNP small signal transistor manufactured by Comchip Technology. This transistor is part of the BC857 series, known for its high current gain and low noise characteristics, making it suitable for a variety of applications including switching and audio frequency (AF) amplifier circuits. The BC857CW-G is packaged in the SOT-323 format, which is ideal for automatic insertion in automated manufacturing processes. It is also fully RoHS compliant, halogen-free, and antimony-free, aligning with modern environmental standards.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Base Voltage | VCBO | -50 | V |
| Collector-Emitter Voltage | VCEO | -45 | V |
| Emitter-Base Voltage | VEBO | -5.0 | V |
| Continuous Collector Current | IC | -100 | mA |
| Peak Pulse Collector Current (single pulse) | ICM | -200 | mA |
| Power Dissipation | PD | 200 | mW |
| Thermal Resistance, Junction to Ambient | RθJA | 625 | °C/W |
| Operating and Storage Temperature Range | TJ, TSTG | -55 to +150 | °C |
| DC Current Gain (hFE) | hFE | 125-250 | |
| Collector-Emitter Saturation Voltage | VCE(sat) | -75 to -300 | mV |
Key Features
- Ideally suited for automatic insertion due to its SOT-323 package.
- Complementary NPN types available (BC846AW - BC848CW).
- Suitable for switching and AF amplifier applications.
- Totally lead-free and fully RoHS compliant.
- Halogen and antimony free, making it an environmentally friendly option.
- High current gain and low noise characteristics.
Applications
- Switching circuits: The BC857CW-G is often used in switching applications due to its high current gain and low saturation voltage.
- Audio Frequency (AF) Amplifier Circuits: Its low noise figure makes it suitable for audio frequency amplifier applications.
- Automotive Applications: Qualified to AEC-Q100/101/200 standards and manufactured in IATF 16949 certified facilities, making it suitable for automotive use.
- General Purpose Amplification: Can be used in various general-purpose amplification circuits where high current gain and low noise are required.
Q & A
- What is the package type of the BC857CW-G transistor?
The BC857CW-G transistor is packaged in the SOT-323 format.
- What are the typical applications of the BC857CW-G transistor?
The BC857CW-G is typically used in switching circuits, AF amplifier circuits, and automotive applications.
- Is the BC857CW-G RoHS compliant?
- What is the maximum collector-emitter voltage of the BC857CW-G?
The maximum collector-emitter voltage (VCEO) is -45V.
- What is the continuous collector current rating of the BC857CW-G?
The continuous collector current (IC) is rated at -100mA.
- What is the thermal resistance, junction to ambient, of the BC857CW-G?
The thermal resistance, junction to ambient (RθJA), is 625°C/W.
- What is the operating temperature range of the BC857CW-G?
The operating and storage temperature range is -55 to +150°C.
- Is the BC857CW-G suitable for automotive applications?
- What is the DC current gain (hFE) of the BC857CW-G?
The DC current gain (hFE) ranges from 125 to 250.
- What is the collector-emitter saturation voltage of the BC857CW-G?
The collector-emitter saturation voltage (VCE(sat)) ranges from -75 to -300 mV.
