2SA1671 + 2SC4386 TRANSISTOR TO-3PF (PAIR)

This matched pair of 2SA1671 (PNP) and 2SC4386 (NPN) transistors is specifically designed for high-power audio amplifier applications, packaged in the robust TO-3PF format. These transistors are carefully selected and matched to ensure optimal performance and minimal distortion in push-pull amplifier configurations, delivering exceptional audio fidelity and power handling capabilities. The TO-3PF package provides excellent thermal dissipation, allowing these transistors to operate at high power levels without overheating. This is crucial in audio amplifiers where significant heat generation is common. The matched characteristics of the 2SA1671 and 2SC4386 ensure symmetrical operation in the positive and negative halves of the audio signal, minimizing harmonic distortion and improving overall sound quality. This pairing is ideal for creating high-fidelity audio amplifiers that can reproduce music with clarity and accuracy.

These transistors boast high voltage and current ratings, making them suitable for driving demanding speaker loads. Their high gain ensures efficient amplification of the audio signal, while their low distortion characteristics contribute to a clean and natural sound reproduction. The 2SA1671 is a silicon PNP epitaxial planar type transistor, while the 2SC4386 is a silicon NPN epitaxial planar type transistor. The complementary nature of these transistors allows for efficient push-pull amplifier designs. They are commonly used in hi-fi audio amplifiers and other high-power audio applications. These transistors are selected for their similar electrical characteristics, such as current gain (hFE), base-emitter voltage (VBE), and collector-emitter saturation voltage (VCE(sat)).

Matching these parameters minimizes crossover distortion and improves the linearity of the amplifier. The TO-3PF package offers a secure and reliable mounting solution, ensuring good thermal contact with the heatsink. This is essential for dissipating heat and maintaining stable operating temperatures. The 2SA1671 and 2SC4386 are designed for high-performance audio applications where sound quality and power handling are paramount. Their matched characteristics and robust construction make them a reliable choice for demanding amplifier designs. Considering building or upgrading your audio amplifier.

This matched pair offers superior performance. This transistor pair ensures balanced amplification. This pair is a vital component for audiophiles. Enhance your audio experience with this matched pair. Order your matched pair of 2SA1671 and 2SC4386 transistors today and unleash the full potential of your audio amplifier!