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2N690A

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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10 pirs û bersivên hevpar ên têkildarî sepana 2N690A di çareseriyên teknîkî de navnîş bikin

Sure, here are 10 common questions and answers related to the application of 2N690A in technical solutions:

  1. What is 2N690A?

    • 2N690A is a silicon NPN transistor designed for general-purpose amplifier and switching applications.
  2. What are the typical applications of 2N690A?

    • Typical applications include audio amplifiers, small signal amplifiers, and switching circuits.
  3. What is the maximum collector current (IC) rating of 2N690A?

    • The maximum collector current (IC) rating of 2N690A is 500mA.
  4. What is the maximum collector-emitter voltage (VCEO) rating of 2N690A?

    • The maximum collector-emitter voltage (VCEO) rating of 2N690A is 40V.
  5. What is the gain (hFE) of 2N690A?

    • The gain (hFE) of 2N690A typically ranges from 100 to 300.
  6. Is 2N690A suitable for low-power applications?

    • Yes, 2N690A is suitable for low-power applications due to its low collector current and voltage ratings.
  7. 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.
  8. What are the temperature limitations of 2N690A?

    • The maximum operating temperature for 2N690A is typically around 150°C.
  9. 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.
  10. 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.