Overview
The BC856A-HF is a PNP general-purpose bipolar junction transistor (BJT) manufactured by Comchip Technology. This transistor is part of the BC856-HF through BC858-HF series and is designed for low-current applications. It is packaged in a SOT-23 case, making it suitable for surface-mount technology (SMT) assembly. The BC856A-HF is known for its low power dissipation and high reliability, making it a versatile component for 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 | 250 | mW (@ 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 | 125 (min) @ 2.2mA, 5V | |
| Collector-Emitter Saturation Voltage | VCE(sat) | -0.65 @ 5mA, 100mA | V |
Key Features
- Low power dissipation: 250 mW at TA = 25°C
- Low current capability: Maximum continuous collector current of 100 mA
- High collector-base voltage: VCBO = -80 V for BC856A-HF
- Wide operating and storage temperature range: -65°C to +150°C
- High transition frequency: 100 MHz
- Small SOT-23 package suitable for surface-mount technology
Applications
The BC856A-HF transistor is suitable for a variety of general-purpose applications, including:
- Amplifier circuits
- Switching circuits
- Low-power audio amplifiers
- Automotive electronics
- Consumer electronics
Q & A
- What is the collector-base voltage (VCBO) of the BC856A-HF transistor?
The collector-base voltage (VCBO) of the BC856A-HF transistor is -80 V. - What is the maximum continuous collector current (IC) of the BC856A-HF transistor?
The maximum continuous collector current (IC) is 100 mA. - What is the power dissipation (PCM) of the BC856A-HF transistor at TA = 25°C?
The power dissipation (PCM) is 250 mW at TA = 25°C. - What is the transition frequency (fT) of the BC856A-HF transistor?
The transition frequency (fT) is 100 MHz. - What is the DC current gain (hFE) of the BC856A-HF transistor?
The minimum DC current gain (hFE) is 125 at 2.2 mA and 5 V. - What is the collector-emitter saturation voltage (VCE(sat)) of the BC856A-HF transistor?
The collector-emitter saturation voltage (VCE(sat)) is -0.65 V at 5 mA and 100 mA. - What is the package type of the BC856A-HF transistor?
The package type is SOT-23. - What is the operating temperature range of the BC856A-HF transistor?
The operating temperature range is -65°C to +150°C. - What are some common applications of the BC856A-HF transistor?
Common applications include amplifier circuits, switching circuits, low-power audio amplifiers, automotive electronics, and consumer electronics. - Is the BC856A-HF transistor RoHS compliant?
Yes, the BC856A-HF transistor is RoHS compliant.
