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BC549BTFR
Product Overview
Category
The BC549BTFR belongs to the category of bipolar junction transistors (BJTs).
Use
It is commonly used as a general-purpose amplifier in electronic circuits.
Characteristics
- Low noise
- High current gain
- Low power dissipation
Package
The BC549BTFR is typically available in a TO-92 package.
Essence
This transistor is essential for amplifying weak signals in various electronic applications.
Packaging/Quantity
It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Collector-Base Voltage (VCBO): 30V
- Collector-Emitter Voltage (VCEO): 30V
- Emitter-Base Voltage (VEBO): 5V
- Collector Current (IC): 100mA
- Power Dissipation (PD): 500mW
- Transition Frequency (ft): 300MHz
Detailed Pin Configuration
The BC549BTFR has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)
Functional Features
- High voltage and current gain
- Low noise performance
- Suitable for low-power applications
Advantages and Disadvantages
Advantages
- Versatile and widely used
- Low cost
- Reliable performance
Disadvantages
- Limited power handling capability
- Susceptible to temperature variations
Working Principles
The BC549BTFR operates as a current-controlled device, where a small current at the base terminal controls a larger current flow between the collector and emitter terminals.
Detailed Application Field Plans
The BC549BTFR is commonly used in the following applications: - Audio amplifiers - Signal processing circuits - Oscillator circuits - Switching circuits
Detailed and Complete Alternative Models
Some alternative models to the BC549BTFR include: - 2N3904 - BC547 - 2N2222
In conclusion, the BC549BTFR is a versatile and widely used BJT with characteristics suitable for various low-power electronic applications. Its low noise and high current gain make it an ideal choice for amplification purposes in audio and signal processing circuits.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng BC549BTFR trong giải pháp kỹ thuật
What is the BC549BTFR transistor used for?
- The BC549BTFR is a general-purpose NPN bipolar junction transistor commonly used in amplification and switching applications.
What are the typical operating conditions for the BC549BTFR?
- The BC549BTFR operates at a maximum collector current of 100mA and a maximum collector-emitter voltage of 30V.
Can the BC549BTFR be used for audio amplification?
- Yes, the BC549BTFR is suitable for low-power audio amplification due to its low noise and high gain characteristics.
How can I identify the pinout of the BC549BTFR transistor?
- The pinout of the BC549BTFR is typically Emitter-Base-Collector (EBC) when viewing the flat side with the leads pointing downward.
What are some common circuit configurations using the BC549BTFR?
- Common configurations include common emitter amplifiers, switch circuits, and signal processing applications.
Is the BC549BTFR suitable for use in low-noise preamplifiers?
- Yes, the BC549BTFR's low noise figure makes it suitable for use in low-noise preamplifier designs.
What are the temperature limitations of the BC549BTFR?
- The BC549BTFR has a maximum operating temperature of 150°C, making it suitable for a wide range of environmental conditions.
Can the BC549BTFR be used in oscillator circuits?
- Yes, the BC549BTFR can be utilized in oscillator circuits due to its high frequency response and stability.
Are there any common alternatives to the BC549BTFR?
- Common alternatives include the 2N3904, BC547, and 2SC945 transistors, which have similar characteristics and pinouts.
What are the key parameters to consider when designing with the BC549BTFR?
- Key parameters include the maximum collector current, gain bandwidth product, maximum power dissipation, and voltage ratings to ensure proper operation in the intended application.