2N2917 Transistor
Product Overview
The 2N2917 is a bipolar junction transistor (BJT) belonging to the category of small-signal transistors. It is commonly used for amplification and switching applications due to its high frequency and low power capabilities. The transistor exhibits characteristics such as low noise, high gain, and fast switching speed. It is typically available in a TO-39 package and is widely recognized for its reliability and versatility.
Package and Quantity
The 2N2917 transistor is commonly packaged in a TO-39 metal can package and is usually sold in quantities of 10 or more.
Specifications
- Maximum Collector-Emitter Voltage: 60V
- Maximum Collector-Base Voltage: 75V
- Maximum Emitter-Base Voltage: 6V
- Collector Current - Continuous: 600mA
- DC Current Gain (hFE): 40 - 300
- Transition Frequency: 100MHz
- Power Dissipation: 625mW
Detailed Pin Configuration
The 2N2917 transistor has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)
Functional Features
The 2N2917 transistor offers high gain, low noise, and fast switching speed, making it suitable for various small-signal applications. Its compact size and robust construction contribute to its reliability and performance.
Advantages and Disadvantages
Advantages
- High gain
- Low noise
- Fast switching speed
- Compact size
- Reliable performance
Disadvantages
- Limited power handling capability
- Moderate current rating
Working Principles
The 2N2917 operates based on the principles of bipolar junction transistors, where the flow of current between the collector and emitter is controlled by the base current. By modulating the base current, the transistor can amplify or switch electronic signals effectively.
Detailed Application Field Plans
The 2N2917 transistor finds extensive use in the following applications: - Audio amplifiers - Oscillators - Switching circuits - Signal processing circuits - Radio frequency (RF) amplifiers
Detailed and Complete Alternative Models
Some alternative models to the 2N2917 transistor include: - 2N2222 - BC547 - 2N3904 - 2N4401
In conclusion, the 2N2917 transistor is a versatile component with high-frequency and low-power capabilities, making it suitable for a wide range of small-signal applications. Its compact size, high gain, and fast switching speed make it a popular choice among electronics enthusiasts and professionals alike.
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技術ソリューションにおける 2N2917 の適用に関連する 10 件の一般的な質問と回答をリストします。
What is the 2N2917 transistor used for?
- The 2N2917 is a general-purpose PNP bipolar junction transistor commonly used in amplification and switching applications.
What are the key specifications of the 2N2917 transistor?
- The 2N2917 has a maximum collector current of 600mA, a maximum collector-emitter voltage of 60V, and a maximum power dissipation of 625mW.
How can the 2N2917 be used in amplifier circuits?
- The 2N2917 can be used as a small-signal amplifier in audio and radio frequency (RF) circuits due to its low noise and high gain characteristics.
Can the 2N2917 be used for switching applications?
- Yes, the 2N2917 can be used in low-power switching applications such as relay drivers and small motor control.
What are the typical operating conditions for the 2N2917?
- The 2N2917 is typically operated at a collector current of 100-200mA and a collector-emitter voltage of 20-40V.
Are there any common alternative transistors to the 2N2917?
- Common alternatives to the 2N2917 include the 2N3906 and 2N4403 transistors, which have similar characteristics and pinouts.
What are the thermal considerations when using the 2N2917?
- It is important to consider heat dissipation when using the 2N2917, especially when operating at higher currents or power levels, to ensure the transistor stays within its safe operating temperature range.
Can the 2N2917 be used in high-frequency applications?
- While the 2N2917 can be used in RF circuits, it may not be suitable for very high-frequency applications due to its transition frequency and capacitance characteristics.
What are some typical circuit configurations for the 2N2917?
- Common circuit configurations include common emitter amplifiers, emitter followers, and switch-mode driver circuits.
Where can I find detailed datasheets and application notes for the 2N2917?
- Detailed datasheets and application notes for the 2N2917 can be found on semiconductor manufacturer websites, electronic component distributor websites, and technical literature from electronics suppliers.