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2N6990
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2N6990 Transistor

Product Overview

The 2N6990 is a high-performance N-channel JFET (Junction Field-Effect Transistor) designed for various electronic applications. This transistor falls under the category of semiconductor devices and is commonly used in amplifiers, switches, and other signal processing circuits. The 2N6990 is known for its low noise, high input impedance, and excellent temperature stability. It is typically available in TO-92 packaging and is sold individually or in bulk quantities.

Specifications

  • Type: N-channel JFET
  • Package: TO-92
  • Maximum Drain-Source Voltage: 40V
  • Maximum Gate-Source Voltage: 40V
  • Maximum Continuous Drain Current: 50mA
  • Maximum Power Dissipation: 350mW
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The 2N6990 features three pins: gate (G), source (S), and drain (D). In the TO-92 package, the pinout configuration is as follows: - Pin 1 (G): Gate - Pin 2 (D): Drain - Pin 3 (S): Source

Functional Features

The 2N6990 offers the following functional features: - Low noise performance - High input impedance - Excellent temperature stability - Suitable for high-frequency applications

Advantages and Disadvantages

Advantages

  • Low noise operation
  • High input impedance
  • Good temperature stability
  • Versatile for various electronic applications

Disadvantages

  • Limited maximum voltage and current ratings
  • Sensitive to electrostatic discharge (ESD)

Working Principles

The 2N6990 operates based on the principles of field-effect transistors, where the flow of current between the source and drain terminals is controlled by the voltage applied to the gate terminal. It functions as an amplifier or switch depending on the biasing and circuit configuration.

Detailed Application Field Plans

The 2N6990 is widely used in the following application fields: - Audio amplifiers - Instrumentation circuits - Signal processing systems - Oscillator circuits - High-impedance preamplifiers

Detailed and Complete Alternative Models

Some alternative models to the 2N6990 include: - J175 - J310 - BF245 - MPF102

In conclusion, the 2N6990 transistor is a versatile semiconductor device with applications in various electronic circuits, offering low noise, high input impedance, and excellent temperature stability. While it has limitations in terms of voltage and current ratings, it remains a popular choice for many electronic designs.

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技術ソリューションにおける 2N6990 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。

  1. What is the 2N6990 transistor used for?

    • The 2N6990 is a field-effect transistor (FET) commonly used for low-power switching applications and amplification in electronic circuits.

  2. What are the key specifications of the 2N6990 transistor?

    • The 2N6990 has a maximum drain-source voltage of 40V, a continuous drain current of 200mA, and a low on-resistance.

  3. How can the 2N6990 be used in switching applications?

    • The 2N6990 can be used to control the flow of current in electronic circuits by acting as a switch, turning the circuit on or off based on the input signal.

  4. In what types of amplification circuits can the 2N6990 be utilized?

    • The 2N6990 can be used in low-power amplification circuits such as audio amplifiers, signal amplifiers, and other low-frequency applications.

  5. What are the typical operating conditions for the 2N6990?

    • The 2N6990 operates within a temperature range of -55°C to 150°C and requires a specific gate-source voltage for proper operation.

  6. Can the 2N6990 be used in high-frequency applications?

    • No, the 2N6990 is not suitable for high-frequency applications due to its inherent limitations in speed and capacitance.

  7. What are the common alternatives to the 2N6990 transistor?

    • Alternatives to the 2N6990 include similar FETs such as the 2N7000, BS170, and other compatible transistors with comparable specifications.

  8. Are there any special considerations for driving the 2N6990 in a circuit?

    • It's important to ensure that the gate-source voltage and current are within the specified limits to avoid damaging the transistor.

  9. What are the typical applications where the 2N6990 is commonly used?

    • The 2N6990 is often used in low-power electronic devices, small signal amplifiers, and various switching applications in consumer electronics and industrial equipment.

  10. What are the advantages of using the 2N6990 in technical solutions?

    • The 2N6990 offers low on-resistance, low power consumption, and compatibility with many standard electronic circuits, making it a versatile choice for various applications.