BC847BLD-7
Product Overview
Category
The BC847BLD-7 belongs to the category of small signal transistors.
Use
It is commonly used for amplification and switching of electronic signals in various applications.
Characteristics
- Low power dissipation
- High current gain
- Low noise figure
Package
The BC847BLD-7 is available in a SOT-23 package.
Essence
This transistor is essential for low-power electronic circuit design and signal amplification.
Packaging/Quantity
The BC847BLD-7 is typically packaged in reels with quantities varying based on manufacturer specifications.
Specifications
- Collector-Base Voltage (VCBO): 45V
- Collector-Emitter Voltage (VCEO): 45V
- Emitter-Base Voltage (VEBO): 6V
- Continuous Collector Current (IC): 100mA
- Total Power Dissipation: 250mW
- Transition Frequency (fT): 200MHz
Detailed Pin Configuration
The BC847BLD-7 has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)
Functional Features
- High current gain
- Low saturation voltage
- Fast switching speed
Advantages
- Small size
- Low power consumption
- Versatile usage in electronic circuits
Disadvantages
- Limited maximum current and voltage ratings
- Susceptible to thermal runaway in high-power applications
Working Principles
The BC847BLD-7 operates based on the principles of bipolar junction transistors, where the flow of current is controlled by the application of a small input signal.
Detailed Application Field Plans
The BC847BLD-7 finds extensive use in: - Audio amplifiers - Signal processing circuits - Sensor interfaces - Oscillator circuits
Detailed and Complete Alternative Models
Some alternative models to the BC847BLD-7 include: - 2N3904 - BC548 - 2SC945
In conclusion, the BC847BLD-7 is a versatile small signal transistor with a wide range of applications in electronic circuit design, offering a balance of performance and compactness.
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What is the BC847BLD-7 transistor used for?
- The BC847BLD-7 is a general-purpose NPN bipolar junction transistor commonly used in amplification and switching applications.
What are the key specifications of the BC847BLD-7?
- The BC847BLD-7 has a maximum collector current of 100mA, a maximum collector-emitter voltage of 45V, and a maximum power dissipation of 250mW.
Can the BC847BLD-7 be used for audio amplification?
- Yes, the BC847BLD-7 can be used for small signal audio amplification due to its low noise and high gain characteristics.
Is the BC847BLD-7 suitable for switching applications?
- Yes, the BC847BLD-7 is commonly used in low-power switching applications due to its fast switching speed and low saturation voltage.
What are the typical operating conditions for the BC847BLD-7?
- The BC847BLD-7 is typically operated at a collector current of 10mA to 100mA and a collector-emitter voltage of 20V to 45V.
Does the BC847BLD-7 require a heat sink for normal operation?
- No, the BC847BLD-7 does not typically require a heat sink for normal operation due to its low power dissipation.
Can the BC847BLD-7 be used in high-frequency applications?
- While the BC847BLD-7 has moderate frequency capabilities, it is more suited for low to moderate frequency applications.
What are the common alternatives to the BC847BLD-7?
- Common alternatives to the BC847BLD-7 include the BC547, 2N2222, and 2N3904 transistors, which have similar characteristics and pinouts.
Are there any special considerations for PCB layout when using the BC847BLD-7?
- It is important to minimize lead lengths and keep input and output traces short to reduce parasitic effects and maintain stability in high-gain applications.
Where can I find detailed application notes for using the BC847BLD-7 in technical solutions?
- Detailed application notes for the BC847BLD-7 can be found in the datasheet provided by the manufacturer, as well as in various electronics engineering resources and forums.