Overview
The BC857C-HF is a PNP bipolar junction transistor (BJT) manufactured by Comchip Technology. This transistor is designed for general-purpose applications and is known for its high performance and reliability. It is packaged in a SOT-23-3 surface mount format, making it suitable for a wide range of electronic circuits. The BC857C-HF is Pb-free and RoHS compliant, ensuring environmental sustainability and compliance with regulatory standards.
Key Specifications
| Specification | Value |
|---|---|
| Transistor Type | PNP |
| Collector-Base Voltage (Vcb) | 45 V |
| Collector-Emitter Voltage (Vce) | 45 V |
| Emitter-Base Voltage (Veb) | 6 V |
| Collector Current (Ic) | 100 mA |
| Power Dissipation (Pd) | 250 mW |
| Operating Temperature (Tj) | -65°C to 150°C |
| Package Type | SOT-23-3 |
| Frequency (fT) | 100 MHz |
Key Features
- High Current Gain: The BC857C-HF offers high current gain, making it suitable for amplification and switching applications.
- Low Collector-Emitter Saturation Voltage: This feature reduces power consumption and improves efficiency in various circuits.
- Low Noise: The transistor exhibits low noise characteristics between 30 Hz and 15 kHz, which is beneficial for audio and other low-frequency applications.
- Complementary Types: The BC857C-HF has complementary NPN types such as BC847, BC848, and BC850, allowing for balanced circuit designs.
- Pb-free and RoHS Compliant: The transistor is lead-free and compliant with RoHS standards, ensuring environmental sustainability and regulatory compliance.
Applications
- AF Input Stages and Driver Applications: The BC857C-HF is well-suited for audio frequency input stages and driver applications due to its low noise and high current gain characteristics.
- General-Purpose Amplification and Switching: Its versatility makes it a good choice for various general-purpose amplification and switching circuits in electronic devices.
Q & A
- What is the transistor type of the BC857C-HF?
The BC857C-HF is a PNP bipolar junction transistor (BJT).
- What is the collector-base voltage (Vcb) of the BC857C-HF?
The collector-base voltage (Vcb) of the BC857C-HF is 45 V.
- What is the maximum collector current (Ic) of the BC857C-HF?
The maximum collector current (Ic) of the BC857C-HF is 100 mA.
- What is the operating temperature range of the BC857C-HF?
The operating temperature range of the BC857C-HF is -65°C to 150°C.
- Is the BC857C-HF Pb-free and RoHS compliant?
Yes, the BC857C-HF is Pb-free and RoHS compliant.
- What is the package type of the BC857C-HF?
The BC857C-HF is packaged in a SOT-23-3 surface mount format.
- What are the complementary NPN types of the BC857C-HF?
The complementary NPN types of the BC857C-HF include BC847, BC848, and BC850.
- What are some typical applications of the BC857C-HF?
The BC857C-HF is typically used in AF input stages, driver applications, and general-purpose amplification and switching circuits..
- What is the frequency (fT) of the BC857C-HF?
The frequency (fT) of the BC857C-HF is 100 MHz..
- What is the power dissipation (Pd) of the BC857C-HF?
The power dissipation (Pd) of the BC857C-HF is 250 mW..
