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2N3904_J18Z
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2N3904_J18Z

Product Overview

Category:

The 2N3904_J18Z belongs to the category of NPN bipolar junction transistors.

Use:

It is commonly used as a general-purpose amplifier and switch in electronic circuits.

Characteristics:

  • Small signal transistor
  • Low power, high voltage
  • Fast switching speed
  • Low noise

Package:

The 2N3904_J18Z is typically available in a TO-92 package.

Essence:

This transistor is essential for amplifying and switching electronic signals in various applications.

Packaging/Quantity:

It is usually packaged in reels with a quantity of 1000 units per reel.

Specifications

  • Collector-Emitter Voltage (VCEO): 40V
  • Collector-Base Voltage (VCBO): 60V
  • Emitter-Base Voltage (VEBO): 6V
  • Collector Current (IC): 200mA
  • Power Dissipation (PD): 625mW
  • DC Current Gain (hFE): 100 - 300
  • Transition Frequency (fT): 250MHz

Detailed Pin Configuration

The 2N3904_J18Z has three pins: emitter, base, and collector. The pinout configuration is as follows: - Emitter (E) - Pin 1 - Base (B) - Pin 2 - Collector (C) - Pin 3

Functional Features

  • Amplification of small signals
  • Switching capability for electronic circuits
  • Suitable for low-power applications

Advantages and Disadvantages

Advantages

  • Wide availability
  • Low cost
  • Versatile usage in various electronic circuits

Disadvantages

  • Limited power handling capacity
  • Relatively low current gain compared to other transistors

Working Principles

The 2N3904_J18Z 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 2N3904_J18Z is widely used in the following applications: - Audio amplifiers - Signal amplification circuits - Switching circuits - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the 2N3904_J18Z include: - BC547 - 2N2222 - PN2222

In conclusion, the 2N3904_J18Z NPN transistor is a versatile component with wide-ranging applications in electronic circuits, offering amplification and switching capabilities at a relatively low cost. Its compact size and compatibility with various circuit designs make it a popular choice among electronics enthusiasts and professionals alike.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 2N3904_J18Z i tekniska lösningar

  1. What is the 2N3904_J18Z transistor used for?

    • The 2N3904_J18Z 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 2N3904_J18Z?

    • The 2N3904_J18Z operates at a maximum collector current of 200mA, with a maximum collector-emitter voltage of 40V.

  3. How do I determine the pinout of the 2N3904_J18Z transistor?

    • The pinout of the 2N3904_J18Z transistor is typically Emitter (E), Base (B), and Collector (C) when viewing the flat side with the leads pointing downward.

  4. Can the 2N3904_J18Z be used for audio amplification?

    • Yes, the 2N3904_J18Z can be used for small signal audio amplification due to its low noise and high gain characteristics.

  5. What are some common circuit configurations using the 2N3904_J18Z?

    • Common circuit configurations include common emitter amplifiers, switch circuits, and oscillator circuits.

  6. What are the typical gain characteristics of the 2N3904_J18Z?

    • The 2N3904_J18Z has a typical DC current gain (hFE) ranging from 100 to 300 at a collector current of 10mA.

  7. Is the 2N3904_J18Z suitable for low-power applications?

    • Yes, the 2N3904_J18Z is suitable for low-power applications due to its low collector current and voltage requirements.

  8. What are the temperature limitations of the 2N3904_J18Z?

    • The 2N3904_J18Z can typically operate within a temperature range of -55°C to 150°C.

  9. Can the 2N3904_J18Z be used in digital logic circuits?

    • While primarily used for analog applications, the 2N3904_J18Z can be utilized in simple digital logic circuits as a switch.

  10. Are there any common failure modes or issues associated with the 2N3904_J18Z?

    • Common issues include thermal runaway at high currents and voltage breakdown if operated beyond its specified limits. Proper heat sinking and voltage regulation are important to prevent these issues.