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PN3568 from FSC,Fairchild Semiconductor

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PN3568

Manufacturer: FSC, NationalSemi, NS

Leaded Small Signal Transistor General Purpose

Partnumber Manufacturer Quantity Availability
PN3568 FSC, NationalSemi, NS 13800 In Stock

Description and Introduction

Leaded Small Signal Transistor General Purpose The PN3568 is a versatile NPN bipolar junction transistor (BJT) commonly used in low-power amplification and switching applications. Designed for general-purpose use, it offers reliable performance in circuits requiring moderate current and voltage handling. With a collector current (IC) rating of up to 200mA and a collector-emitter voltage (VCEO) of 30V, the PN3568 is well-suited for signal amplification, audio stages, and digital logic interfacing.  

This transistor features a high DC current gain (hFE), typically ranging from 100 to 300, ensuring efficient signal amplification with minimal distortion. Its compact TO-92 package makes it easy to integrate into various circuit designs while maintaining thermal stability. The PN3568 is often employed in hobbyist projects, educational experiments, and commercial electronics due to its affordability and widespread availability.  

Key specifications include low saturation voltage, fast switching speeds, and compatibility with automated assembly processes. Engineers and designers frequently select the PN3568 for its balance of performance and cost-effectiveness in applications such as sensor interfaces, relay drivers, and oscillator circuits. When used within its specified limits, this transistor provides consistent operation, making it a dependable choice for electronic designs requiring a robust and efficient switching or amplification solution.

Application Scenarios & Design Considerations

Leaded Small Signal Transistor General Purpose

Alternative Part Number

  • 2N3904 --: Widely available general-purpose NPN transistor in TO-92, similar small-signal switching and amplification characteristics to the PN3568.
  • BC547 --: Popular general-purpose NPN transistor with comparable current gain and voltage ratings, suitable for most low-power switching and amplifier circuits.
  • 2N2222A --: Robust NPN switching transistor with higher current capability, commonly used as a drop-in substitute where the PN3568 is unavailable.
  • 2N3568 --: Same 2N-series NPN small-signal transistor with comparable gain and voltage ratings, widely available from a second source.
  • MPS3568 --: Equivalent NPN general-purpose amplifier transistor in TO-92, similar hFE and current capability.
  • BC337 --: Common NPN general-purpose transistor with similar current and voltage ratings, usable as a functional substitute in most circuits.
  • 2N3568 --: Same 2N3568 JEDEC series NPN transistor with comparable gain and current ratings, widely available from a second source.
  • MPS3568 --: MPS-series general-purpose NPN transistor with similar electrical characteristics, suitable as a functional replacement.
  • BC337 --: Common general-purpose NPN transistor with comparable voltage and current ratings, usable in many low-power switching and amplifier circuits.

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