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CMKT2222A TR
Product Overview
Category
The CMKT2222A TR belongs to the category of bipolar junction transistors (BJTs).
Use
It is commonly used as a general-purpose amplifier or switch in electronic circuits.
Characteristics
- Small signal NPN transistor
- High current gain
- Low noise
- Low power dissipation
Package
The CMKT2222A TR is typically available in a small SOT-23 package.
Essence
This transistor is essential for amplifying and switching electronic signals in various applications.
Packaging/Quantity
It is usually packaged in reels containing a specific quantity, such as 3000 units per reel.
Specifications
- Collector-Base Voltage (VCBO): 75V
- Collector-Emitter Voltage (VCEO): 40V
- Emitter-Base Voltage (VEBO): 6V
- Collector Current (IC): 600mA
- Power Dissipation (PD): 225mW
- Transition Frequency (fT): 250MHz
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
The CMKT2222A TR has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)
Functional Features
- High current gain
- Low saturation voltage
- Fast switching speed
Advantages
- Versatile usage in various electronic circuits
- Small package size
- Low noise performance
Disadvantages
- Limited power handling capability
- Sensitivity to temperature variations
Working Principles
The CMKT2222A TR 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 amplified output current at the collector terminal.
Detailed Application Field Plans
The CMKT2222A TR finds extensive use in the following applications: - Audio amplifiers - Signal amplification in sensor circuits - Switching circuits in electronic devices - Oscillator circuits
Detailed and Complete Alternative Models
Some alternative models to the CMKT2222A TR include: - 2N2222A - BC547 - BC548 - 2N3904
In conclusion, the CMKT2222A TR is a versatile and widely used NPN transistor with high current gain and low noise characteristics. Its compact package and functional features make it suitable for various electronic applications, although it has limitations in power handling and temperature sensitivity.
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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von CMKT2222A TR in technischen Lösungen auf
What is the operating temperature range of CMKT2222A TR?
- The operating temperature range of CMKT2222A TR is typically -55°C to 150°C.
What is the maximum collector current of CMKT2222A TR?
- The maximum collector current of CMKT2222A TR is 600mA.
What is the typical gain (hFE) of CMKT2222A TR at a collector current of 100mA?
- The typical gain (hFE) of CMKT2222A TR at a collector current of 100mA is 75.
What is the maximum power dissipation of CMKT2222A TR?
- The maximum power dissipation of CMKT2222A TR is 625mW.
Is CMKT2222A TR suitable for use in high-frequency applications?
- Yes, CMKT2222A TR is suitable for use in high-frequency applications due to its high transition frequency (ft).
What are the typical voltage ratings for CMKT2222A TR?
- The typical voltage ratings for CMKT2222A TR are 40V (Vceo) and 60V (Vcbo).
Does CMKT2222A TR require external biasing components?
- CMKT2222A TR does not require external biasing components, making it convenient for many applications.
Can CMKT2222A TR be used in switching applications?
- Yes, CMKT2222A TR can be used in switching applications due to its fast switching speed and low saturation voltage.
What are the package options available for CMKT2222A TR?
- CMKT2222A TR is available in various packages such as SOT-23, SOT-323, and SC-70.
Are there any recommended application circuits for CMKT2222A TR?
- Yes, several application circuits are available in the datasheet for CMKT2222A TR, including amplifier and switching circuit examples.