2N2222AUA
Product Overview
Category
The 2N2222AUA is a general-purpose NPN bipolar junction transistor (BJT).
Use
It is commonly used for amplification and switching of electronic signals.
Characteristics
- Low power, medium speed
- Low voltage, low current small signal transistor
- High current (800mA) and low voltage (40V) capabilities
Package
The 2N2222AUA is available in a TO-18 metal can package.
Essence
This transistor is essential for various electronic circuits requiring amplification or switching functions.
Packaging/Quantity
Typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Collector-Base Voltage (VCBO): 75V
- Collector-Emitter Voltage (VCEO): 40V
- Emitter-Base Voltage (VEBO): 6V
- Collector Current (IC): 800mA
- Power Dissipation (PD): 500mW
- Transition Frequency (fT): 250MHz
- Operating Temperature Range: -65°C to 200°C
Detailed Pin Configuration
- Collector (C)
- Base (B)
- Emitter (E)
Functional Features
- Amplification of weak signals
- Switching high-power loads
- Suitable for audio amplification and signal processing circuits
Advantages
- Versatile and widely available
- Low cost
- Reliable performance in various applications
Disadvantages
- Limited power handling capability compared to higher-rated transistors
- Moderate frequency response limits its use in high-frequency applications
Working Principles
The 2N2222AUA operates as a current-controlled switch or amplifier, where the base current controls the collector-emitter current flow.
Detailed Application Field Plans
- Audio amplifiers
- Signal processing circuits
- Switching circuits
- Oscillators
Detailed and Complete Alternative Models
- BC547
- 2N3904
- PN2222
In conclusion, the 2N2222AUA is a versatile and widely used transistor with applications in various electronic circuits, offering reliable performance at a low cost.
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10个与2N2222AUA在技术解决方案中的应用相关的常见问题及解答
What is the 2N2222AUA transistor used for?
- The 2N2222AUA transistor is commonly used for amplification and switching applications in electronic circuits.
What are the key specifications of the 2N2222AUA transistor?
- The 2N2222AUA transistor typically has a maximum collector current of 800mA, a maximum collector-emitter voltage of 40V, and a maximum power dissipation of 500mW.
How do I identify the pinout of the 2N2222AUA transistor?
- The pinout of the 2N2222AUA transistor is typically Emitter (E), Base (B), and Collector (C) when viewing the flat side with the leads pointing downward.
Can the 2N2222AUA be used for low-power switching applications?
- Yes, the 2N2222AUA is suitable for low-power switching applications due to its moderate current and voltage ratings.
What are some common circuit configurations using the 2N2222AUA transistor?
- Common circuit configurations include common emitter amplifiers, switch circuits, and oscillator circuits.
What are the typical operating conditions for the 2N2222AUA transistor?
- The 2N2222AUA transistor is typically operated within a temperature range of -55°C to 150°C and at moderate frequencies.
Can the 2N2222AUA be used in audio amplifier circuits?
- Yes, the 2N2222AUA can be used in small signal audio amplifier circuits due to its amplification capabilities.
What are some alternative transistors to the 2N2222AUA?
- Alternative transistors include the PN2222A, 2N3904, and BC547, which have similar characteristics and can be used as substitutes in many applications.
Are there any special considerations for driving the 2N2222AUA in high-frequency applications?
- In high-frequency applications, it's important to consider the parasitic capacitances of the transistor and the layout of the circuit to minimize unwanted effects.
Where can I find detailed application notes for using the 2N2222AUA in technical solutions?
- Detailed application notes can often be found in the datasheet provided by the manufacturer or in electronics textbooks and reference guides.