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CMST3904 TR
Product Overview
Category
The CMST3904 TR belongs to the category of NPN bipolar junction transistors.
Use
It is commonly used as a general-purpose amplifier and switch in electronic circuits.
Characteristics
- Low power consumption
- High current gain
- Fast switching speed
Package
The CMST3904 TR is typically available in a SOT-23 package.
Essence
This transistor is essential for amplifying and switching electronic signals in various applications.
Packaging/Quantity
It is usually supplied in reels with a quantity of 3000 units per reel.
Specifications
- Collector-Base Voltage (VCBO): 40V
- Collector-Emitter Voltage (VCEO): 40V
- Emitter-Base Voltage (VEBO): 5V
- Collector Current (IC): 200mA
- Power Dissipation (PD): 350mW
- Transition Frequency (fT): 250MHz
Detailed Pin Configuration
The CMST3904 TR has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)
Functional Features
- High current gain
- Low noise
- Fast response time
Advantages
- Versatile usage in various electronic circuits
- Small form factor
- Low power consumption
Disadvantages
- Limited voltage and current handling capabilities
- Susceptible to thermal runaway at high currents
Working Principles
The CMST3904 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.
Detailed Application Field Plans
The CMST3904 TR is widely used in: - Audio amplifiers - Signal processing circuits - Switching applications
Detailed and Complete Alternative Models
Some alternative models to the CMST3904 TR include: - 2N3904 - BC547 - 2SC945
In conclusion, the CMST3904 TR is a versatile NPN transistor with applications in various electronic circuits, offering high current gain and fast switching speed. However, it has limitations in voltage and current handling, making it suitable for low-power applications.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací CMST3904 TR v technických řešeních
What is CMST3904 TR?
- CMST3904 TR is a high-speed NPN bipolar transistor commonly used in technical solutions for amplification and switching applications.
What are the key specifications of CMST3904 TR?
- The key specifications of CMST3904 TR include a maximum collector current of 200mA, a maximum collector-base voltage of 40V, and a maximum transition frequency of 300MHz.
How is CMST3904 TR typically used in technical solutions?
- CMST3904 TR is often used in technical solutions for signal amplification, low-power switching, and general purpose applications in electronic circuits.
What are the typical operating conditions for CMST3904 TR?
- The typical operating conditions for CMST3904 TR include a collector current of 10-100mA, a collector-emitter voltage of 20V, and a base current of 1-10mA.
Can CMST3904 TR be used in audio amplifier circuits?
- Yes, CMST3904 TR can be used in audio amplifier circuits, particularly in low-power and small signal amplification applications.
What are the recommended biasing configurations for CMST3904 TR?
- Common biasing configurations for CMST3904 TR include fixed bias, emitter bias, and voltage divider bias, depending on the specific application requirements.
Are there any common alternative transistors to CMST3904 TR?
- Some common alternative transistors to CMST3904 TR include 2N3904, BC547, and PN2222A, which have similar characteristics and can be used as substitutes in many applications.
What are the thermal considerations for using CMST3904 TR in technical solutions?
- It's important to consider proper heat sinking and thermal management when using CMST3904 TR, especially in high-frequency or high-power applications to ensure reliable performance.
Can CMST3904 TR be used in digital logic circuits?
- While CMST3904 TR is primarily used in analog applications, it can also be utilized in digital logic circuits for low-power switching and interfacing purposes.
Where can I find detailed application notes and reference designs for CMST3904 TR?
- Detailed application notes and reference designs for CMST3904 TR can be found in the manufacturer's datasheet, technical documentation, and online resources from reputable semiconductor companies.