Overview
The BC857CW is a bipolar junction transistor (BJT) produced by Diotec Semiconductor. It is a PNP transistor designed for control and signal processing applications. This transistor is packaged in the SOT-323 (SC-70) surface mount format, making it suitable for compact and efficient circuit designs. The BC857CW is characterized by its high collector-emitter voltage (VCEO) of 45V, a maximum collector current of 100mA, and a power dissipation of 200mW. It operates within a temperature range of up to 150°C, ensuring reliability in various environmental conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Transistor Type | PNP |
| Package | SOT-323 (SC-70) |
| Collector Emitter Voltage (VCEO) | 45 V |
| Collector Current (Ic) (Max) | 100 mA |
| Power Dissipation (Max) | 200 mW |
| Transition Frequency | 100 MHz |
| Operating Temperature | 150°C (TJ) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 420 @ 2mA, 5V |
| Vce Saturation (Max) @ Ib, Ic | 600mV @ 5mA, 100mA |
| Collector Cutoff Current (ICBO) (Max) | 15nA |
Key Features
- High Collector-Emitter Voltage: Up to 45V, making it suitable for a wide range of applications.
- Compact Package: SOT-323 (SC-70) surface mount package for efficient use of space.
- High Transition Frequency: 100 MHz, enabling high-speed switching and signal processing.
- High Operating Temperature: Up to 150°C, ensuring reliability in harsh environments.
- RoHS and REACH Compliance: Environmentally friendly and compliant with regulatory standards.
Applications
The BC857CW transistor is versatile and can be used in various applications, including:
- Control and Signal Processing: Suitable for general-purpose switching and amplification in electronic circuits.
- LED Driver Circuits: Can be used in dimmable LED driver circuits due to its high transition frequency and current handling capabilities.
- Automotive and Industrial Electronics: Its high operating temperature and robust specifications make it suitable for use in automotive and industrial environments.
- Robotics and Automation: Used in dynamic robot models and other automated systems requiring reliable and efficient transistor performance.
Q & A
- Q: What is the package type of the BC857CW transistor?
A: The BC857CW transistor is packaged in the SOT-323 (SC-70) surface mount format. - Q: What is the maximum collector-emitter voltage (VCEO) of the BC857CW?
A: The maximum collector-emitter voltage (VCEO) is 45V. - Q: What is the maximum collector current (Ic) of the BC857CW?
A: The maximum collector current (Ic) is 100mA. - Q: What is the operating temperature range of the BC857CW?
A: The operating temperature range is up to 150°C (TJ). - Q: Is the BC857CW RoHS and REACH compliant?
A: Yes, the BC857CW is RoHS and REACH compliant. - Q: What is the transition frequency of the BC857CW?
A: The transition frequency is 100 MHz. - Q: What are some common applications of the BC857CW transistor?
A: Common applications include control and signal processing, LED driver circuits, automotive and industrial electronics, and robotics and automation. - Q: What is the power dissipation of the BC857CW?
A: The power dissipation is 200 mW. - Q: What is the DC current gain (hFE) of the BC857CW?
A: The DC current gain (hFE) is 420 @ 2mA, 5V. - Q: Is the BC857CW ESD sensitive?
A: No, the BC857CW is not ESD sensitive.
