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2N5172 Transistor
Product Overview
The 2N5172 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 noise characteristics. The transistor comes in a TO-92 package and is available in both through-hole and surface mount packages. Its essence lies in providing reliable amplification and switching capabilities in various electronic circuits. The 2N5172 is typically sold in quantities of 100 or more.
Specifications
- Maximum Collector-Emitter Voltage: 45V
- Maximum Collector-Base Voltage: 50V
- Maximum Emitter-Base Voltage: 6V
- Continuous Collector Current: 100mA
- Power Dissipation: 625mW
- Transition Frequency: 200MHz
- Noise Figure: 5dB
Detailed Pin Configuration
The 2N5172 transistor has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)
Functional Features
The 2N5172 transistor offers high frequency performance, making it suitable for RF amplification and oscillation circuits. It also exhibits low noise characteristics, making it ideal for low-level signal amplification in audio applications.
Advantages and Disadvantages
Advantages
- High frequency capability
- Low noise figure
- Versatile for amplification and switching applications
Disadvantages
- Relatively low power handling capacity
- Limited voltage and current ratings
Working Principles
The 2N5172 operates based on the principles of bipolar junction transistors. When a small current flows into the base terminal, it controls a larger current flow between the collector and emitter terminals. This property allows the transistor to amplify signals and act as a switch in electronic circuits.
Detailed Application Field Plans
The 2N5172 transistor finds extensive use in the following applications: - RF amplifiers - Oscillator circuits - Audio pre-amplifiers - Switching circuits
Detailed and Complete Alternative Models
Some alternative models to the 2N5172 include: - 2N2222 - BC547 - 2N3904 - MPSA18
In conclusion, the 2N5172 transistor is a versatile component that excels in high-frequency amplification and low-noise signal processing. Its compact TO-92 package and reliable performance make it a popular choice for various electronic applications.
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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng 2N5172 sa mga teknikal na solusyon
What is the 2N5172 transistor used for?
- The 2N5172 is a general-purpose NPN bipolar junction transistor commonly used for amplification and switching applications.
What are the typical operating conditions for the 2N5172?
- The 2N5172 typically operates at a maximum collector-emitter voltage of 45V and a maximum collector current of 100mA.
Can the 2N5172 be used for audio amplification?
- Yes, the 2N5172 can be used for small-signal audio amplification due to its low noise and high gain characteristics.
How do I determine the pinout of the 2N5172 transistor?
- The pinout of the 2N5172 is typically Emitter (E), Base (B), and Collector (C) when viewing the flat side with the leads pointing downward.
What are some common circuit configurations using the 2N5172?
- Common circuit configurations include common emitter amplifiers, switch circuits, and oscillator circuits.
What are the typical gain characteristics of the 2N5172?
- The 2N5172 has a typical DC current gain (hfe) ranging from 100 to 300, making it suitable for various amplification tasks.
Can the 2N5172 handle high-frequency signals?
- Yes, the 2N5172 is capable of handling moderate to high-frequency signals, making it suitable for RF amplifier applications.
Are there any specific thermal considerations when using the 2N5172?
- It is important to consider heat dissipation and thermal management, especially when operating the 2N5172 near its maximum ratings to ensure reliability.
What are the common alternatives to the 2N5172 if it's not available?
- Alternatives include transistors with similar characteristics such as 2N2222, BC547, or 2N3904, but it's important to check for compatibility with the specific application.
Can the 2N5172 be used in automotive applications?
- Yes, the 2N5172 can be used in certain automotive applications, but it's important to ensure that it meets the required specifications and standards for automotive use.