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KTC4379 from 长电

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KTC4379

Manufacturer: 长电, 高科, KEC

EPITAXIAL PLANAR NPN TRANSISTOR (POWER AMPLIFIER, POWER SWITCHING)

Partnumber Manufacturer Quantity Availability
KTC4379 长电, 高科, KEC 110350 In Stock

Description and Introduction

EPITAXIAL PLANAR NPN TRANSISTOR (POWER AMPLIFIER, POWER SWITCHING) The KTC4379 is a high-performance PNP bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Known for its reliability and efficiency, this component is commonly used in audio amplifiers, power management circuits, and signal processing systems.  

With a collector current rating of up to 4A and a collector-emitter voltage (VCE) of 60V, the KTC4379 offers robust performance in medium-power applications. Its low saturation voltage ensures minimal power loss, making it suitable for energy-efficient designs. Additionally, the transistor features a high current gain (hFE), enhancing signal amplification in various circuits.  

The KTC4379 is housed in a TO-220 package, providing effective thermal dissipation and mechanical stability. This makes it ideal for applications requiring prolonged operation under moderate loads. Engineers and hobbyists alike appreciate its ease of integration into existing circuit designs, thanks to its standardized pin configuration.  

Whether used in linear regulators, motor drivers, or audio output stages, the KTC4379 delivers consistent performance across a wide range of operating conditions. Its balance of power handling, gain, and thermal properties makes it a versatile choice for electronic projects demanding dependable PNP transistor functionality.

Application Scenarios & Design Considerations

EPITAXIAL PLANAR NPN TRANSISTOR (POWER AMPLIFIER, POWER SWITCHING)

Alternative Part Number

  • MMBT3904 --: Widely available NPN small-signal transistor in SOT-23, a common general-purpose substitute for KTC4379 in switching and amplification circuits.
  • BC817 --: SOT-23 NPN transistor with similar current and voltage ratings, suitable drop-in replacement for general switching applications.
  • 2N3904 --: Classic through-hole NPN transistor with comparable characteristics; use where board layout allows TO-92 package.
  • 2SC4116 --: NPN small-signal transistor in a similar SOT-23 package with comparable voltage and current ratings, widely available and a common substitute for general-purpose switching and amplification.
  • BC847 --: Common NPN transistor in SOT-23 with comparable gain and voltage ratings, a cost-effective alternative for general-purpose applications.

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