Microsemi Corporation
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2N2481

2N2481 Transistor

Product Overview

The 2N2481 is a silicon NPN transistor that falls under the category of small signal transistors. It is commonly used for amplification and switching purposes in electronic circuits. The transistor exhibits characteristics such as high voltage capability, low noise, and fast switching speed. It is typically available in a TO-18 package and is widely recognized for its reliability and versatility.

Package and Quantity

The 2N2481 transistor is usually packaged in a TO-18 metal can package and is commonly available in quantities of 10 or more.

Specifications

  • Type: NPN
  • Maximum Collector-Emitter Voltage: 40V
  • Maximum Collector-Base Voltage: 40V
  • Maximum Emitter-Base Voltage: 5V
  • Maximum Collector Current: 0.1A
  • Power Dissipation: 0.4W
  • Transition Frequency: 100MHz

Detailed Pin Configuration

The 2N2481 transistor has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

The 2N2481 transistor offers the following functional features: - High voltage capability - Low noise - Fast switching speed - Reliable performance

Advantages and Disadvantages

Advantages

  • High voltage capability makes it suitable for various applications
  • Low noise ensures clean signal amplification
  • Fast switching speed enables quick response in switching applications

Disadvantages

  • Limited maximum collector current may restrict use in high-power applications
  • Relatively lower transition frequency compared to some modern alternatives

Working Principles

The 2N2481 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 or act as a switch in electronic circuits.

Detailed Application Field Plans

The 2N2481 transistor finds extensive application in various electronic circuits, including: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillator circuits - Voltage regulators

Detailed and Complete Alternative Models

Some alternative models to the 2N2481 transistor include: - 2N3904 - BC547 - 2N2222 - 2N4401

In conclusion, the 2N2481 transistor is a versatile component with a wide range of applications in electronic circuits. Its high voltage capability, low noise, and fast switching speed make it a popular choice for amplification and switching purposes.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 2N2481 en soluciones técnicas

Sure, here are 10 common questions and answers related to the application of 2N2481 in technical solutions:

  1. What is the 2N2481 transistor used for?

    • The 2N2481 is a general-purpose NPN bipolar junction transistor commonly used for amplification and switching applications.

  2. What are the typical operating conditions for the 2N2481?

    • The 2N2481 operates under a maximum collector current of 150mA, with a maximum collector-emitter voltage of 30V.

  3. Can the 2N2481 be used for audio amplifier circuits?

    • Yes, the 2N2481 can be used in low-power audio amplifier circuits due to its moderate current and voltage ratings.

  4. What are some common alternatives to the 2N2481?

    • Common alternatives to the 2N2481 include the 2N3904 and BC547 transistors, which have similar characteristics and can be used in similar applications.

  5. How do I determine the pinout of the 2N2481 transistor?

    • The pinout of the 2N2481 is typically identified as the emitter (E), base (B), and collector (C) from left to right when viewing the flat side of the transistor with the leads pointing downward.

  6. What are the typical gain and frequency response of the 2N2481?

    • The 2N2481 has a typical DC current gain (hFE) ranging from 100 to 300 and can operate at frequencies up to several megahertz.

  7. Can the 2N2481 be used in high-frequency applications?

    • While the 2N2481 can operate at moderate frequencies, it may not be suitable for very high-frequency applications due to its transition frequency limitations.

  8. Are there any special considerations for driving inductive loads with the 2N2481?

    • When driving inductive loads, such as relays or motors, it's important to use appropriate flyback diodes to protect the transistor from voltage spikes.

  9. What are the typical thermal considerations for the 2N2481?

    • The 2N2481 should be mounted on a heat sink if operating at high currents or in elevated temperature environments to ensure proper heat dissipation.

  10. Can the 2N2481 be used in low-power switching applications?

    • Yes, the 2N2481 can be used in low-power switching applications such as driving small motors, controlling LEDs, or interfacing with microcontrollers.

I hope these questions and answers provide helpful information about the application of the 2N2481 in technical solutions. Let me know if you need further assistance!