Microsemi Corporation
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2N4261UB
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2N4261UB

Product Overview

Category

The 2N4261UB belongs to the category of semiconductor devices, specifically a field-effect transistor (FET).

Use

It is commonly used as an amplifier or switch in electronic circuits.

Characteristics

  • Low power consumption
  • High input impedance
  • Fast switching speed

Package

The 2N4261UB is typically available in TO-92 packaging.

Essence

This FET is essential for low-power applications where high input impedance and fast switching are required.

Packaging/Quantity

It is usually packaged in reels or tubes, with varying quantities depending on the supplier.

Specifications

  • Maximum Drain-Source Voltage: 40V
  • Maximum Gate-Source Voltage: ±20V
  • Continuous Drain Current: 0.35A
  • Power Dissipation: 350mW
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The 2N4261UB has three pins: 1. Source (S) 2. Gate (G) 3. Drain (D)

Functional Features

  • High input impedance allows for minimal loading of preceding stages.
  • Fast switching speed enables quick response in switching applications.

Advantages

  • Low power consumption makes it suitable for battery-operated devices.
  • High input impedance reduces the impact on the previous circuitry.

Disadvantages

  • Limited maximum drain-source voltage compared to other FETs.
  • Relatively low continuous drain current capacity.

Working Principles

The 2N4261UB operates based on the control of current flow between the source and drain terminals through the manipulation of the gate voltage.

Detailed Application Field Plans

Audio Amplification

The FET can be used in low-power audio amplifiers due to its high input impedance and low power consumption.

Signal Switching

Its fast switching speed makes it suitable for signal switching applications in electronic circuits.

Detailed and Complete Alternative Models

  • 2N7000
  • BS170
  • 2N3904

In conclusion, the 2N4261UB is a versatile FET suitable for low-power applications requiring high input impedance and fast switching characteristics. While it has limitations in terms of voltage and current handling, its advantages make it a valuable component in various electronic circuits.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 2N4261UB v technických řešeních

  1. What is the 2N4261UB transistor used for?

    • The 2N4261UB is a high-frequency NPN transistor commonly used in RF and microwave applications.

  2. What are the key specifications of the 2N4261UB?

    • The 2N4261UB features a maximum collector-base voltage of 40V, a maximum collector current of 0.05A, and a power dissipation of 300mW.

  3. Can the 2N4261UB be used in amplifier circuits?

    • Yes, the 2N4261UB is suitable for use in amplifier circuits, particularly in high-frequency applications.

  4. What are some typical applications of the 2N4261UB?

    • Common applications include RF amplifiers, oscillators, mixers, and other high-frequency signal processing circuits.

  5. Does the 2N4261UB require any special handling or mounting considerations?

    • It is recommended to follow standard ESD precautions and proper heat sinking techniques when using the 2N4261UB in technical solutions.

  6. What are the temperature limitations of the 2N4261UB?

    • The 2N4261UB has an operating temperature range of -65°C to +200°C, making it suitable for a wide range of environments.

  7. Is the 2N4261UB suitable for use in high-power applications?

    • No, the 2N4261UB is not designed for high-power applications due to its limited power dissipation rating.

  8. Can the 2N4261UB be used in switching applications?

    • While it is primarily intended for linear amplification, the 2N4261UB can also be used in certain low-power switching applications.

  9. Are there any common failure modes associated with the 2N4261UB?

    • Common failure modes include thermal overstress and ESD damage, so proper handling and thermal management are important.

  10. Where can I find detailed application notes and reference designs for the 2N4261UB?

    • Detailed application notes and reference designs can typically be found in the datasheet provided by the manufacturer or through technical support resources.