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2N684 Transistor
Product Overview
Category:
The 2N684 is a bipolar junction NPN transistor.
Use:
It is commonly used as an amplifier or switch in electronic circuits.
Characteristics:
- Low power dissipation
- High current gain
- Medium voltage capability
Package:
The 2N684 is typically available in a TO-39 metal can package.
Essence:
This transistor is essential for amplifying and switching signals in electronic devices.
Packaging/Quantity:
The 2N684 is usually sold in reels or tubes, with quantities varying based on manufacturer and supplier.
Specifications
- Maximum Collector-Emitter Voltage: 40V
- Maximum Collector-Base Voltage: 60V
- Maximum Emitter-Base Voltage: 6V
- Collector Current: 0.1A
- Power Dissipation: 0.5W
- Transition Frequency: 100MHz
Detailed Pin Configuration
The 2N684 transistor has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)
Functional Features
- Amplification of weak signals
- Switching high-power loads
- Suitable for audio applications
Advantages
- High current gain
- Low power dissipation
- Versatile applications
Disadvantages
- Limited voltage and current ratings
- Relatively low transition frequency
Working Principles
The 2N684 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 2N684 is commonly used in the following applications: - Audio amplifiers - Signal amplification in communication circuits - Switching circuits for controlling motors or relays
Detailed and Complete Alternative Models
Some alternative models to the 2N684 include: - 2N3904 - BC547 - 2N2222
In conclusion, the 2N684 transistor is a versatile component widely used in electronic circuits for amplification and switching purposes. Its characteristics make it suitable for various applications, although users should consider its limitations when selecting it for specific designs.
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Énumérez 10 questions et réponses courantes liées à l'application de 2N684 dans les solutions techniques
What is the 2N684 transistor used for?
- The 2N684 is a general-purpose NPN transistor commonly used for amplification and switching applications in electronic circuits.
What are the typical operating conditions for the 2N684 transistor?
- The 2N684 transistor typically operates at a maximum collector current of 100mA, with a maximum collector-emitter voltage of 30V.
Can the 2N684 be used for audio amplifier circuits?
- Yes, the 2N684 can be used in low-power audio amplifier circuits due to its moderate current and voltage ratings.
How do I identify the pinout of the 2N684 transistor?
- The pinout of the 2N684 transistor is typically Emitter-Base-Collector (EBC) when looking at the flat side with the leads pointing down.
What are some common alternatives to the 2N684 transistor?
- Common alternatives to the 2N684 include the 2N3904, BC547, and 2N2222 transistors, which have similar characteristics and can be used in its place.
Can the 2N684 be used in high-frequency applications?
- The 2N684 is not suitable for high-frequency applications due to its limited frequency response and transition frequency.
What are the typical gain characteristics of the 2N684 transistor?
- The 2N684 transistor has a moderate DC current gain (hFE) ranging from 100 to 300 under normal operating conditions.
Is the 2N684 suitable for use in low-power switching circuits?
- Yes, the 2N684 can be used in low-power switching applications such as driving small relays or LEDs.
What are the thermal considerations for the 2N684 transistor?
- The 2N684 transistor should be operated within its specified temperature range to ensure proper performance and reliability.
Are there any specific precautions to consider when using the 2N684 in a circuit?
- It's important to avoid exceeding the maximum ratings for current, voltage, and power dissipation to prevent damage to the 2N684 transistor.