2N690A Transistor
Product Overview
Category:
The 2N690A is a bipolar junction transistor (BJT) belonging to the NPN type.
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 2N690A is typically available in a TO-18 metal can package.
Essence:
This transistor is essential for amplifying and switching electronic signals in various applications.
Packaging/Quantity:
It is usually packaged individually and sold in quantities suitable for small-scale electronic projects.
Specifications
- Collector-Base Voltage: 60V
- Collector-Emitter Voltage: 40V
- Emitter-Base Voltage: 5V
- Collector Current: 200mA
- Power Dissipation: 300mW
- Transition Frequency: 50MHz
Detailed Pin Configuration
The 2N690A transistor has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)
Functional Features
- High current gain allows for small base current to control larger collector current.
- Low power dissipation makes it suitable for low-power applications.
- Medium voltage capability enables use in a wide range of circuits.
Advantages and Disadvantages
Advantages
- High current gain
- Low power dissipation
- Medium voltage capability
Disadvantages
- Limited maximum collector current compared to other transistors
- Moderate transition frequency
Working Principles
The 2N690A operates based on the principles of amplification and control of electrical currents. When a small current flows into the base, it controls a larger current flowing between the collector and emitter.
Detailed Application Field Plans
The 2N690A transistor finds applications in: - Audio amplifiers - Signal amplification circuits - Switching circuits - Oscillator circuits
Detailed and Complete Alternative Models
Some alternative models to the 2N690A include: - 2N2222 - BC547 - 2N3904 - BC548
In conclusion, the 2N690A transistor is a versatile component with applications in various electronic circuits, offering high current gain and low power dissipation. Its characteristics make it suitable for amplification and switching tasks in low-power applications.
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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af 2N690A i tekniske løsninger
Sure, here are 10 common questions and answers related to the application of 2N690A in technical solutions:
What is 2N690A?
- 2N690A is a silicon NPN transistor designed for general-purpose amplifier and switching applications.
What are the typical applications of 2N690A?
- Typical applications include audio amplifiers, small signal amplifiers, and switching circuits.
What is the maximum collector current (IC) rating of 2N690A?
- The maximum collector current (IC) rating of 2N690A is 500mA.
What is the maximum collector-emitter voltage (VCEO) rating of 2N690A?
- The maximum collector-emitter voltage (VCEO) rating of 2N690A is 40V.
What is the gain (hFE) of 2N690A?
- The gain (hFE) of 2N690A typically ranges from 100 to 300.
Is 2N690A suitable for low-power applications?
- Yes, 2N690A is suitable for low-power applications due to its low collector current and voltage ratings.
Can 2N690A be used in audio amplifier circuits?
- Yes, 2N690A can be used in audio amplifier circuits, especially in low-power and small signal applications.
What are the temperature limitations of 2N690A?
- The maximum operating temperature for 2N690A is typically around 150°C.
Does 2N690A require a heat sink for certain applications?
- For high-power applications or when operating close to the maximum temperature limit, a heat sink may be necessary for 2N690A.
Are there any common failure modes associated with 2N690A?
- Common failure modes include thermal runaway at high temperatures and exceeding the maximum ratings for current and voltage.
These questions and answers should provide a good overview of the application of 2N690A in technical solutions.