Microsemi Corporation
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JAN2N2857
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JAN2N2857

Product Overview

  • Category: Transistor
  • Use: Amplification and switching in electronic circuits
  • Characteristics: High voltage, high current, low power dissipation
  • Package: TO-39 metal can package
  • Essence: NPN bipolar junction transistor
  • Packaging/Quantity: Typically sold individually or in small quantities

Specifications

  • Maximum Collector-Emitter Voltage: 60V
  • Maximum Collector-Base Voltage: 80V
  • Maximum Emitter-Base Voltage: 5V
  • Collector Current - Continuous: 0.6A
  • Power Dissipation: 625mW
  • Transition Frequency: 100MHz
  • Operating Temperature: -65°C to 200°C

Detailed Pin Configuration

The JAN2N2857 transistor has three pins: 1. Collector (C): Connects to the positive supply voltage in a circuit. 2. Base (B): Controls the transistor's conductivity when a small current is applied. 3. Emitter (E): Allows current to flow out of the transistor.

Functional Features

  • High voltage capability
  • Low leakage current
  • Fast switching speed
  • Wide operating temperature range

Advantages and Disadvantages

Advantages

  • Suitable for high voltage applications
  • Low power dissipation
  • Fast switching speed

Disadvantages

  • Limited maximum collector current
  • Relatively low transition frequency

Working Principles

The JAN2N2857 operates based on the principles of bipolar junction transistors. When a small current is applied to the base, it controls the larger current flowing between the collector and emitter, allowing for amplification and switching functions in electronic circuits.

Detailed Application Field Plans

The JAN2N2857 is commonly used in the following applications: - Audio amplifiers - Signal amplification circuits - Switching circuits - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the JAN2N2857 include: - 2N2222 - 2N3904 - BC547 - BC548

In conclusion, the JAN2N2857 transistor is a versatile component with high voltage capabilities, suitable for various amplification and switching applications in electronic circuits.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan JAN2N2857 dalam solusi teknis

  1. What is the JAN2N2857 transistor used for?

    • The JAN2N2857 transistor is commonly used for high-frequency and low-noise amplifier applications.

  2. What are the key specifications of the JAN2N2857 transistor?

    • The JAN2N2857 transistor typically has a maximum power dissipation of 350mW, a voltage breakdown of 15V, and a frequency range suitable for RF applications.

  3. Can the JAN2N2857 be used in audio amplifier circuits?

    • While it's primarily designed for RF applications, the JAN2N2857 can be used in certain low-power audio amplifier circuits due to its low noise characteristics.

  4. What are the typical operating conditions for the JAN2N2857 transistor?

    • The JAN2N2857 transistor operates under standard conditions of a collector current (Ic) of 10mA, a collector-emitter voltage (Vce) of 15V, and a base current (Ib) of 1mA.

  5. Is the JAN2N2857 suitable for use in high-temperature environments?

    • The JAN2N2857 is designed to operate within a specified temperature range, making it suitable for many common electronic applications.

  6. What are some common alternatives to the JAN2N2857 transistor?

    • Alternatives to the JAN2N2857 include the 2N2857, 2N5179, and other similar RF transistors with comparable specifications.

  7. Can the JAN2N2857 be used in oscillator circuits?

    • Yes, the JAN2N2857 can be utilized in oscillator circuits due to its high-frequency capabilities and low noise performance.

  8. What are the typical gain characteristics of the JAN2N2857 transistor?

    • The JAN2N2857 transistor typically exhibits a high gain at RF frequencies, making it suitable for amplification purposes.

  9. Are there any special considerations when soldering the JAN2N2857 transistor?

    • It's important to follow proper ESD precautions and soldering techniques to avoid damaging the sensitive components of the JAN2N2857 during assembly.

  10. Where can I find detailed application notes for using the JAN2N2857 in technical solutions?

    • Detailed application notes for the JAN2N2857 can often be found in the manufacturer's datasheet or application guides, providing comprehensive guidance on its usage in various technical solutions.