2N3904_D81Z
Product Overview
Category
The 2N3904_D81Z belongs to the category of NPN bipolar junction transistors (BJTs).
Use
It is commonly used as a general-purpose amplifier or switch in electronic circuits.
Characteristics
- Small signal NPN transistor
- Low power, high voltage
- Fast switching speed
- Low noise
Package
The 2N3904_D81Z is typically available in a TO-92 package.
Essence
This transistor is essential for amplifying and switching electronic signals in various applications.
Packaging/Quantity
It is usually packaged in reels or tubes containing multiple units, with quantities varying based on manufacturer specifications.
Specifications
- Maximum Collector-Emitter Voltage: 40V
- Maximum Collector Current: 200mA
- Power Dissipation: 625mW
- Transition Frequency: 300MHz
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
The 2N3904_D81Z has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)
Functional Features
- Amplification of small electronic signals
- Switching capability for electronic circuits
- Compatibility with various electronic components
Advantages and Disadvantages
Advantages
- Versatile use in amplification and switching applications
- Small form factor
- Low cost
Disadvantages
- Limited power handling capacity
- Susceptible to thermal runaway if not properly managed
Working Principles
The 2N3904_D81Z operates based on the principles of controlling current flow through its three terminals to amplify or switch electronic signals.
Detailed Application Field Plans
Audio Amplification
The transistor can be used in audio amplifiers to boost weak audio signals.
Signal Switching
It can serve as a switch in electronic circuits to control the flow of signals.
Oscillator Circuits
The transistor can be utilized in oscillator circuits for generating electronic waveforms.
Detailed and Complete Alternative Models
Some alternative models to the 2N3904_D81Z include: - BC547 - 2N2222 - PN2222
In conclusion, the 2N3904_D81Z NPN transistor is a fundamental component in electronic circuit design, offering versatile amplification and switching capabilities across various applications.
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기술 솔루션에 2N3904_D81Z 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
What is the 2N3904_D81Z transistor used for?
- The 2N3904_D81Z is a general-purpose NPN bipolar junction transistor commonly used in amplification and switching applications.
What are the typical operating conditions for the 2N3904_D81Z?
- The 2N3904_D81Z operates at a maximum collector current of 200mA, with a maximum collector-emitter voltage of 40V.
How do I determine the pinout of the 2N3904_D81Z transistor?
- The pinout of the 2N3904_D81Z is typically Emitter (E), Base (B), and Collector (C) when viewing the flat side with the leads pointing downward.
Can the 2N3904_D81Z be used for audio amplification?
- Yes, the 2N3904_D81Z is commonly used in low-power audio amplifier circuits due to its high gain and low noise characteristics.
What are some common circuit configurations using the 2N3904_D81Z?
- Common circuit configurations include common emitter amplifiers, switch circuits, and oscillator circuits.
What are the key parameters to consider when designing a circuit with the 2N3904_D81Z?
- Key parameters include the collector current, voltage ratings, gain, and frequency response.
Is the 2N3904_D81Z suitable for use in digital logic circuits?
- While it can be used in some digital applications, the 2N3904_D81Z is more commonly employed in analog circuits due to its amplification capabilities.
What are the typical thermal considerations for the 2N3904_D81Z?
- Thermal considerations include ensuring proper heat sinking or derating the device if operating at elevated temperatures.
Can the 2N3904_D81Z be used in high-frequency applications?
- The 2N3904_D81Z has a transition frequency that limits its high-frequency performance, so it is best suited for low to moderate frequency applications.
Are there any common failure modes or reliability concerns with the 2N3904_D81Z?
- Common failure modes include thermal runaway under excessive power dissipation, and reliability concerns may arise if operated beyond its specified ratings.