BC847A-TP
Product Overview
Category
The BC847A-TP is a general-purpose NPN bipolar junction transistor (BJT) belonging to the category of discrete semiconductors.
Use
It is commonly used for amplification and switching applications in electronic circuits.
Characteristics
- Low power dissipation
- High current gain
- Low noise
- High voltage tolerance
Package
The BC847A-TP is typically available in a SOT-23 package, which is a small surface-mount package.
Essence
This transistor is essential for signal amplification and switching in various electronic devices and circuits.
Packaging/Quantity
It is usually supplied in reels containing a specific quantity, such as 3000 units per reel.
Specifications
- Collector-Base Voltage (VCBO): 45V
- Collector-Emitter Voltage (VCEO): 45V
- Emitter-Base Voltage (VEBO): 6V
- Collector Current (IC): 100mA
- Total Power Dissipation (PTOT): 250mW
- Transition Frequency (fT): 200MHz
- Package Type: SOT-23
Detailed Pin Configuration
The BC847A-TP has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)
Functional Features
- High current gain
- Low saturation voltage
- Fast switching speed
- Wide operating temperature range
Advantages
- Small form factor
- Versatile applications
- Reliable performance
- Low cost
Disadvantages
- Limited power handling capability
- Susceptible to thermal runaway in high-power applications
Working Principles
The BC847A-TP operates based on the principles of bipolar junction transistors, where the flow of current is controlled by the application of a small input signal at the base terminal, resulting in a larger output current at the collector terminal.
Detailed Application Field Plans
The BC847A-TP finds extensive use in the following applications: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillator circuits - Voltage regulators
Detailed and Complete Alternative Models
Some alternative models to the BC847A-TP include: - BC547B - 2N3904 - 2SC945 - 2N2222A
In conclusion, the BC847A-TP is a versatile and widely used NPN transistor with various applications in electronic circuits, offering reliable performance and compact design.
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技術ソリューションにおける BC847A-TP の適用に関連する 10 件の一般的な質問と回答をリストします。
What is the BC847A-TP transistor used for?
- The BC847A-TP transistor is commonly used for amplification and switching applications in electronic circuits.
What are the key specifications of the BC847A-TP transistor?
- The BC847A-TP transistor typically has a maximum collector current of 100mA, a maximum collector-emitter voltage of 45V, and a maximum power dissipation of 250mW.
Can the BC847A-TP be used in low-power amplifier circuits?
- Yes, the BC847A-TP is suitable for use in low-power amplifier circuits due to its low noise and high gain characteristics.
Is the BC847A-TP suitable for switching applications?
- Yes, the BC847A-TP is commonly used for switching applications due to its fast switching speed and low saturation voltage.
What are the typical operating conditions for the BC847A-TP?
- The BC847A-TP transistor is typically operated at a collector current of 10mA to 100mA and a collector-emitter voltage of up to 45V.
Can the BC847A-TP be used in high-frequency applications?
- The BC847A-TP can be used in moderate high-frequency applications due to its transition frequency (ft) of around 200MHz.
What are the recommended biasing configurations for the BC847A-TP?
- Common biasing configurations for the BC847A-TP include common emitter, common base, and common collector configurations, depending on the specific application requirements.
Does the BC847A-TP require any special heat sinking or thermal considerations?
- For most typical applications, the BC847A-TP does not require special heat sinking or thermal considerations due to its moderate power dissipation.
Are there any common alternative transistors to the BC847A-TP?
- Common alternative transistors to the BC847A-TP include the BC547, BC548, and 2N3904, which have similar characteristics and can be used as substitutes in many applications.
Where can I find detailed application notes and reference designs for using the BC847A-TP in technical solutions?
- Detailed application notes and reference designs for using the BC847A-TP can be found in the datasheet provided by the manufacturer, as well as in various electronics engineering resources and forums.