MPSA18 Transistor
Product Overview
Category
The MPSA18 is a general-purpose NPN bipolar junction transistor (BJT) commonly used in electronic circuits.
Use
It is utilized for amplification and switching applications in various electronic devices and systems.
Characteristics
- Low noise figure
- High current gain
- Medium power dissipation
- Wide range of operating voltages
Package
The MPSA18 is typically available in a TO-92 package, which is a small, through-hole transistor package.
Essence
The essence of the MPSA18 lies in its versatility and reliability in amplification and switching tasks.
Packaging/Quantity
It is commonly sold in reels or tubes containing multiple units, with quantities varying based on manufacturer and distributor specifications.
Specifications
- Collector-Base Voltage (VCBO): 40V
- Collector-Emitter Voltage (VCEO): 25V
- Emitter-Base Voltage (VEBO): 5V
- Collector Current (IC): 0.5A
- Power Dissipation (PD): 625mW
- Transition Frequency (fT): 100MHz
Detailed Pin Configuration
The MPSA18 transistor has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)
Functional Features
The MPSA18 offers the following functional features: - High current gain - Low noise performance - Suitable for low-power applications - Compatibility with various circuit configurations
Advantages and Disadvantages
Advantages
- Versatile use in amplification and switching
- Low noise figure
- High current gain
Disadvantages
- Limited power dissipation capability
- Relatively low collector current rating
Working Principles
The MPSA18 operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its terminals to amplify or switch electronic signals.
Detailed Application Field Plans
The MPSA18 finds application in various fields, including: - Audio amplification - Signal processing circuits - Switching circuits - Oscillator circuits
Detailed and Complete Alternative Models
Some alternative models to the MPSA18 include: - 2N4401 - BC547 - 2N3904 - BC337
In conclusion, the MPSA18 transistor serves as a reliable and versatile component in electronic circuits, offering high current gain and low noise performance. Its application spans across various fields, making it a valuable choice for amplification and switching tasks.
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What is MPSA18?
- MPSA18 is a general-purpose NPN bipolar junction transistor commonly used in electronic circuits for amplification and switching applications.
What are the typical applications of MPSA18?
- MPSA18 is commonly used in audio amplifiers, signal amplification, and low-power switching applications.
What are the key electrical characteristics of MPSA18?
- The key electrical characteristics of MPSA18 include a maximum collector current (Ic) of 500mA, a maximum collector-emitter voltage (Vce) of 30V, and a DC current gain (hfe) ranging from 100 to 250.
Can MPSA18 be used for high-frequency applications?
- No, MPSA18 is not suitable for high-frequency applications due to its limited frequency response.
What are the typical operating conditions for MPSA18?
- MPSA18 is typically operated within a temperature range of -55°C to 150°C and is designed for low to moderate power applications.
Is MPSA18 suitable for use in audio amplifier circuits?
- Yes, MPSA18 is commonly used in small-signal audio amplifier circuits due to its low noise and high gain characteristics.
What are the recommended biasing configurations for MPSA18?
- Common biasing configurations for MPSA18 include fixed bias, emitter bias, and voltage divider bias, depending on the specific application requirements.
Can MPSA18 be used in low-power switching applications?
- Yes, MPSA18 can be used in low-power switching applications such as relay drivers and small load control circuits.
What are the typical package types available for MPSA18?
- MPSA18 is available in various package types, including TO-92, SOT-23, and surface-mount packages, offering flexibility for different circuit designs.
Are there any important considerations when using MPSA18 in technical solutions?
- It's important to consider the operating temperature, voltage and current requirements, and the specific application needs to ensure proper performance and reliability when using MPSA18 in technical solutions.