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MMUN2138LT1G
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MMUN2138LT1G

Product Overview

Category

MMUN2138LT1G belongs to the category of small signal transistors.

Use

It is commonly used in amplification and switching applications in electronic circuits.

Characteristics

  • Low power consumption
  • High gain
  • Small package size

Package

The MMUN2138LT1G comes in a small SOT-23 package.

Essence

This transistor is essential for amplifying weak signals and controlling the flow of current in electronic devices.

Packaging/Quantity

The MMUN2138LT1G is typically packaged in reels containing 3000 units.

Specifications

  • Maximum Collector-Base Voltage: 50V
  • Maximum Collector Current: 100mA
  • Power Dissipation: 225mW
  • Transition Frequency: 250MHz

Detailed Pin Configuration

The MMUN2138LT1G has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

  • High voltage gain
  • Low noise
  • Fast switching speed

Advantages

  • Small package size
  • Low power consumption
  • Suitable for high-frequency applications

Disadvantages

  • Limited maximum collector current
  • Sensitive to overvoltage conditions

Working Principles

The MMUN2138LT1G operates based on the principles of bipolar junction transistors, where the flow of current between the collector and emitter is controlled by the base current.

Detailed Application Field Plans

The MMUN2138LT1G is widely used in: - Audio amplifiers - Signal processing circuits - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to MMUN2138LT1G include: - BC547 - 2N2222 - 2N3904 - BC548

In conclusion, the MMUN2138LT1G is a versatile small signal transistor with a compact package size and excellent performance characteristics, making it suitable for various amplification and switching applications in electronic circuits.

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  1. What is MMUN2138LT1G?

    • MMUN2138LT1G is a high-voltage, low-power NPN transistor used in various technical solutions.

  2. What are the typical applications of MMUN2138LT1G?

    • MMUN2138LT1G is commonly used in power management, voltage regulation, and switching applications.

  3. What is the maximum voltage rating for MMUN2138LT1G?

    • The maximum voltage rating for MMUN2138LT1G is typically around 50V.

  4. What is the maximum current handling capability of MMUN2138LT1G?

    • MMUN2138LT1G can handle currents up to several hundred milliamps, making it suitable for low-power applications.

  5. Is MMUN2138LT1G suitable for use in battery-powered devices?

    • Yes, MMUN2138LT1G's low-power characteristics make it well-suited for battery-powered devices.

  6. What are the thermal characteristics of MMUN2138LT1G?

    • MMUN2138LT1G has a low thermal resistance and is designed to operate within a wide temperature range.

  7. Can MMUN2138LT1G be used in audio amplifier circuits?

    • While MMUN2138LT1G is not specifically designed for audio amplification, it can be used in low-power audio applications.

  8. Does MMUN2138LT1G require external heat sinking?

    • In most cases, MMUN2138LT1G does not require external heat sinking due to its low power dissipation.

  9. What are the package options available for MMUN2138LT1G?

    • MMUN2138LT1G is available in various surface-mount packages such as SOT-23 and SOT-323.

  10. Are there any common failure modes associated with MMUN2138LT1G?

    • Common failure modes for MMUN2138LT1G include overvoltage stress and excessive current leading to thermal runaway. Proper design considerations can mitigate these risks.