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2N5087
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2N5087 Transistor

Product Overview

The 2N5087 is a general-purpose PNP bipolar junction transistor (BJT) commonly used in electronic circuits for amplification and switching applications. This transistor belongs to the category of small-signal transistors and is widely utilized in various electronic devices due to its versatile characteristics.

Basic Information

  • Category: Small-signal transistor
  • Use: Amplification and switching
  • Characteristics: High current gain, low noise, and low power dissipation
  • Package: TO-92 package
  • Essence: Versatile and reliable small-signal transistor
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Collector-Base Voltage (Vcbo): 50V
  • Collector-Emitter Voltage (Vceo): 30V
  • Emitter-Base Voltage (Vebo): 5V
  • Collector Current (Ic): 100mA
  • Power Dissipation (Pd): 625mW
  • Transition Frequency (ft): 100MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The 2N5087 transistor has three pins: 1. Collector (C): Connected to the positive supply voltage in typical circuit configurations. 2. Base (B): Controls the transistor's conductivity when a small current is applied. 3. Emitter (E): Connected to the ground or common reference point in most circuit designs.

Functional Features

  • High Current Gain: The 2N5087 offers a high current gain, making it suitable for amplification purposes.
  • Low Noise: It exhibits low noise characteristics, making it ideal for signal processing applications.
  • Low Power Dissipation: The transistor dissipates low power, contributing to energy-efficient circuit designs.

Advantages and Disadvantages

Advantages

  • Versatile application in amplification and switching circuits
  • Low noise performance for signal processing applications
  • Compact TO-92 package for easy integration into electronic designs

Disadvantages

  • Limited maximum collector current compared to power transistors
  • Moderate operating frequency range for high-frequency applications

Working Principles

The 2N5087 operates based on the principles of bipolar junction transistors. When a small current is applied to the base terminal, it controls the larger current flow between the collector and emitter terminals. This property enables the transistor to amplify signals or act as a switch in electronic circuits.

Detailed Application Field Plans

The 2N5087 finds extensive use in various electronic applications, including: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillator circuits - Sensor interfaces

Detailed and Complete Alternative Models

Several alternative models with similar characteristics and pin configurations are available in the market, including: - BC557 - 2N3906 - 2N4403 - BC558

In conclusion, the 2N5087 transistor serves as a fundamental component in electronic circuit design, offering high versatility and reliability for amplification and switching applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi 2N5087 dalam penyelesaian teknikal

  1. What is the 2N5087 transistor used for?

    • The 2N5087 is a general-purpose PNP bipolar junction transistor commonly used for amplification and switching applications.

  2. What are the typical operating conditions for the 2N5087 transistor?

    • The 2N5087 transistor typically operates at a maximum collector-emitter voltage of 50V and a maximum collector current of 50mA.

  3. How can I use the 2N5087 in an amplifier circuit?

    • The 2N5087 can be used in small signal amplifier circuits, such as audio amplifiers, by biasing the transistor properly and connecting it in the appropriate configuration.

  4. Can the 2N5087 be used for switching applications?

    • Yes, the 2N5087 can be used for low-power switching applications due to its moderate current and voltage ratings.

  5. What are the pin configurations of the 2N5087 transistor?

    • The 2N5087 transistor has three pins: the emitter, base, and collector, which are labeled E, B, and C, respectively.

  6. What are some common alternatives to the 2N5087 transistor?

    • Common alternatives to the 2N5087 include the 2N3906 and BC557 transistors, which have similar characteristics and can be used in its place in many circuits.

  7. How do I calculate the biasing resistors for the 2N5087 transistor?

    • The biasing resistors for the 2N5087 can be calculated using the transistor's base current and the desired operating point, following standard transistor biasing techniques.

  8. Can the 2N5087 be used in high-frequency applications?

    • The 2N5087 is not typically recommended for high-frequency applications due to its transition frequency and capacitance characteristics.

  9. What are the thermal considerations when using the 2N5087 in a circuit?

    • It is important to consider the power dissipation of the 2N5087 transistor and ensure proper heat sinking if operating at high currents or in elevated temperature environments.

  10. Where can I find detailed datasheets and application notes for the 2N5087 transistor?

    • Detailed datasheets and application notes for the 2N5087 transistor can be found on semiconductor manufacturer websites or electronics component distributor platforms.