Overview
The BC856B-HF is a PNP general-purpose transistor manufactured by Comchip Technology. This transistor is part of the BC856 series and is designed for a wide range of applications requiring low to moderate current and voltage handling. It is housed in a SOT-23 package, making it suitable for surface-mount technology (SMT) assembly. The BC856B-HF is known for its reliability, low power consumption, and robust electrical characteristics, making it a popular choice in various electronic circuits.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Base Voltage | VCBO | -80 | V |
| Collector-Emitter Voltage | VCEO | -65 | V |
| Emitter-Base Voltage | VEBO | -5 | V |
| Collector Current (Continuous) | IC | -100 | mA |
| Power Dissipation (PCM) | PC | 0.25 | W (@TA=25°C) |
| Junction Temperature Range | TJ | -65 to +150 | °C |
| Storage Temperature Range | TSTG | -65 to +150 | °C |
| Transition Frequency | fT | 100 | MHz |
| DC Current Gain (hFE) | hFE | 250-475 | - |
| Base-Emitter Saturation Voltage | VBE(sat) | -0.65 to -0.85 | V |
Key Features
- Low Current Handling: Maximum continuous collector current of 100 mA.
- High Voltage Capability: Collector-base voltage (VCBO) of -80 V and collector-emitter voltage (VCEO) of -65 V.
- Wide Temperature Range: Operating and storage junction temperature range from -65°C to +150°C.
- Low Power Dissipation: Power dissipation (PCM) of 0.25 W at 25°C.
- Surface Mount Technology (SMT): Housed in a SOT-23 package, suitable for SMT assembly.
- RoHS Compliant: Meets RoHS (Restriction of Hazardous Substances) standards.
Applications
- General Purpose Amplification: Suitable for various amplification circuits due to its moderate current and voltage handling capabilities.
- Switching Circuits: Can be used in switching applications where low to moderate current is required.
- Audio and Signal Processing: Used in audio amplifiers and signal processing circuits due to its good frequency response and low noise characteristics.
- Automotive and Industrial Electronics: Applicable in automotive and industrial electronic systems where reliability and robustness are crucial.
Q & A
- What is the maximum collector current of the BC856B-HF transistor?
The maximum continuous collector current is 100 mA.
- What is the collector-base voltage (VCBO) of the BC856B-HF transistor?
The collector-base voltage (VCBO) is -80 V.
- What is the power dissipation (PCM) of the BC856B-HF transistor at 25°C?
The power dissipation (PCM) is 0.25 W at 25°C.
- What is the junction temperature range of the BC856B-HF transistor?
The junction temperature range is from -65°C to +150°C.
- Is the BC856B-HF transistor RoHS compliant?
Yes, the BC856B-HF transistor is RoHS compliant.
- What package type is the BC856B-HF transistor housed in?
The BC856B-HF transistor is housed in a SOT-23 package.
- What is the transition frequency (fT) of the BC856B-HF transistor?
The transition frequency (fT) is 100 MHz.
- What is the typical DC current gain (hFE) of the BC856B-HF transistor?
The typical DC current gain (hFE) ranges from 250 to 475.
- What are some common applications of the BC856B-HF transistor?
Common applications include general-purpose amplification, switching circuits, audio and signal processing, and automotive and industrial electronics.
- How does the BC856B-HF transistor handle high temperatures?
The transistor can operate and be stored within a temperature range of -65°C to +150°C.
