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MPSA42,126
Product Overview
Category
The MPSA42,126 belongs to the category of bipolar transistors.
Use
It is commonly used as a general-purpose amplifier or switch in electronic circuits.
Characteristics
- Low noise
- High current gain
- Medium power dissipation
Package
The MPSA42,126 is typically available in a TO-92 package.
Essence
This transistor is essential for amplifying and switching 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): 300V
- Collector-Emitter Voltage (VCEO): 300V
- Emitter-Base Voltage (VEBO): 6V
- Collector Current (IC): 500mA
- Power Dissipation (PD): 625mW
- Transition Frequency (ft): 250MHz
Detailed Pin Configuration
The MPSA42,126 has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)
Functional Features
- High voltage capability
- Low leakage current
- Fast switching speed
Advantages and Disadvantages
Advantages
- Versatile usage in amplification and switching
- Low noise performance
- High current gain
Disadvantages
- Limited power dissipation capability
- Relatively low transition frequency
Working Principles
The MPSA42,126 operates based on the principles of bipolar junction transistors, where the flow of current is controlled by the application of a small signal at the base terminal.
Detailed Application Field Plans
The MPSA42,126 finds extensive use in the following applications: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillator circuits
Detailed and Complete Alternative Models
Some alternative models to the MPSA42,126 include: - BC547 - 2N3904 - 2N2222
In conclusion, the MPSA42,126 is a versatile bipolar transistor with high voltage capability, making it suitable for various amplification and switching applications in electronic circuits.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MPSA42,126 v technických řešeních
What are MPSA42 and MPSA126 transistors used for?
- MPSA42 and MPSA126 transistors are commonly used for amplification and switching applications in electronic circuits.
What are the typical operating conditions for MPSA42 and MPSA126 transistors?
- The typical operating conditions for MPSA42 and MPSA126 transistors include a maximum collector current of 500mA, a maximum collector-emitter voltage of 300V, and a maximum power dissipation of 625mW.
How do I identify the pinout of MPSA42 and MPSA126 transistors?
- The pinout for MPSA42 and MPSA126 transistors is typically Emitter-Base-Collector (EBC) for MPSA42 and Collector-Base-Emitter (CBE) for MPSA126.
Can MPSA42 and MPSA126 transistors be used in high-frequency applications?
- Yes, both MPSA42 and MPSA126 transistors can be used in high-frequency applications due to their fast switching characteristics.
What are some common circuit configurations using MPSA42 and MPSA126 transistors?
- Common circuit configurations include common emitter amplifiers, switch-mode power supplies, and signal amplification stages in audio applications.
Are MPSA42 and MPSA126 transistors suitable for low-noise applications?
- While they are not specifically designed for low-noise applications, MPSA42 and MPSA126 transistors can be used in low-noise circuits with proper design considerations.
What are the temperature limitations for MPSA42 and MPSA126 transistors?
- The maximum operating temperature for MPSA42 and MPSA126 transistors is typically around 150°C, but it's important to refer to the datasheet for specific details.
Can MPSA42 and MPSA126 transistors be used in audio amplifier designs?
- Yes, both MPSA42 and MPSA126 transistors are commonly used in audio amplifier designs due to their high gain and low noise characteristics.
Do MPSA42 and MPSA126 transistors require external biasing in amplifier circuits?
- Yes, MPSA42 and MPSA126 transistors typically require external biasing to operate in amplifier circuits, and the appropriate biasing configuration should be chosen based on the specific application.
What are some alternative transistors that can be used as substitutes for MPSA42 and MPSA126?
- Some alternative transistors that can be used as substitutes include MPSA92 and MPSA56 for MPSA42, and MPSA06 and MPSA56 for MPSA126. However, it's important to check the datasheets and specifications to ensure compatibility.