Microsemi Corporation
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2N2484UB
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2N2484UB

Product Overview

The 2N2484UB is a bipolar junction transistor (BJT) belonging to the category of discrete semiconductor devices. It is commonly used for amplification and switching applications due to its high current and voltage capabilities. The 2N2484UB exhibits characteristics such as low noise, high gain, and excellent linearity. It is typically available in a TO-92 package and is sold in quantities suitable for both individual and industrial use.

Specifications

  • Maximum Collector-Base Voltage: 30V
  • Maximum Collector Current: 100mA
  • Power Dissipation: 625mW
  • Transition Frequency: 150MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The 2N2484UB features three pins: the emitter, base, and collector. In the TO-92 package, the pinout configuration is as follows: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

The 2N2484UB offers high current gain, making it suitable for low-power amplification and switching applications. Its low noise characteristic makes it ideal for signal processing circuits where minimizing interference is crucial.

Advantages and Disadvantages

Advantages

  • High current gain
  • Low noise
  • Suitable for low-power applications

Disadvantages

  • Limited maximum collector current
  • Relatively low transition frequency

Working Principles

The 2N2484UB operates based on the principles of bipolar junction transistors, utilizing the flow of charge carriers to amplify or switch electronic signals. When a small current flows into the base terminal, it controls a larger current between the collector and emitter terminals, allowing for signal amplification or switching.

Detailed Application Field Plans

The 2N2484UB finds extensive use in various applications, including: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the 2N2484UB include: - 2N3904 - BC547 - 2N2222

In summary, the 2N2484UB is a versatile BJT with applications in amplification and switching circuits. Its high current gain and low noise characteristics make it well-suited for low-power applications, although its limitations in maximum collector current and transition frequency should be considered when selecting an appropriate transistor for specific designs.

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  1. What is the 2N2484UB transistor used for?

    • The 2N2484UB is a general-purpose NPN bipolar junction transistor commonly used for amplification and switching applications in electronic circuits.

  2. What are the typical operating conditions for the 2N2484UB?

    • The 2N2484UB typically operates at a maximum collector current of 100mA, with a maximum collector-emitter voltage of 30V.

  3. How do I identify the pinout of the 2N2484UB transistor?

    • The pinout of the 2N2484UB is typically identified as the emitter (E), base (B), and collector (C) pins.

  4. Can the 2N2484UB be used for audio amplifier applications?

    • Yes, the 2N2484UB can be used in low-power audio amplifier circuits due to its amplification capabilities.

  5. What are some common circuit configurations using the 2N2484UB?

    • Common circuit configurations include common emitter, common base, and common collector configurations for various amplification and switching purposes.

  6. What are the typical gain characteristics of the 2N2484UB?

    • The 2N2484UB has a moderate current gain (hFE) ranging from 100 to 300, making it suitable for many small-signal amplification applications.

  7. Are there any specific thermal considerations when using the 2N2484UB?

    • It's important to consider the thermal dissipation of the 2N2484UB when designing circuits to ensure proper heat management, especially in high-current applications.

  8. Can the 2N2484UB be used in high-frequency applications?

    • While the 2N2484UB can be used in some high-frequency applications, it's more commonly utilized in low to moderate frequency circuits due to its bandwidth limitations.

  9. What are the typical package options for the 2N2484UB?

    • The 2N2484UB is often available in TO-92 or SOT-23 packages, which are widely used in various electronic designs.

  10. Are there any common alternatives to the 2N2484UB for similar applications?

    • Some common alternatives include the 2N2222, BC547, and BC548 transistors, which have similar characteristics and can be used in comparable applications.