FQA36P15 Transistor: Power, Efficiency, and Versatility Unleashed

Transistors are fundamental components in electronic circuits, playing a crucial role in amplification and signal manipulation. Amongst the numerous transistors available, the FQA36P15, manufactured by Fairchild Semiconductor, stands out for its exceptional performance and versatility. In this article, we will delve deeper into the features, advantages, and applications of the FQA36P15 transistor, emphasizing its impact on circuit performance, efficiency, and overall functionality.

Overview of the FQA36P15


The FQA36P15 is a P-channel MOSFET transistor that has been specifically designed for high-power switching applications. With its low on-resistance and fast switching speed, it has gained popularity in power electronics, motor control, and automotive systems.

Uncovering the Features and Benefits

High Power Capability

The FQA36P15 transistor boasts an impressive capability to handle high power levels, with a maximum drain current rating of 35A and a breakdown voltage of 150V. This feature makes it an excellent choice for demanding applications such as motor control, power supplies, and LED lighting, where robust power handling is essential.

Low On-Resistance

One of the standout features of the FQA36P15 transistor is its remarkably low on-resistance, typically measuring 36mΩ. This characteristic significantly reduces power losses and heat dissipation during switching operations, leading to enhanced circuit efficiency, improved overall performance, and an extended lifespan. Furthermore, the low on-resistance facilitates lower operating voltages, resulting in cost savings and increased energy efficiency.

Fast Switching Speed

Equipped with fast-switching capabilities, the FQA36P15 transistor enables rapid transitions between the on and off states, allowing for high-frequency operation in various circuit applications. By minimizing switching losses, this transistor contributes to increased efficiency and effective power management.

Robustness and Reliability

The FQA36P15 transistor exhibits exceptional robustness and reliability, ensuring safe and prolonged operation even in harsh environments. Its advanced packaging technology protects the transistor against thermal and mechanical stresses, preventing damage and extending its lifespan.

Low Input Capacitance

With its low input capacitance, the FQA36P15 transistor offers reduced switching times, enabling quicker on/off transitions. This feature proves valuable in applications demanding fast switching speeds, ensuring precise control of circuit operations, and facilitating efficient overall performance.


  • Power Electronics: The FQA36P15 transistor’s high power capability and low on-resistance make it an excellent fit for power electronics applications such as DC-DC converters and AC-DC power supplies. Its robust design and reliability also make it suitable for industrial applications that require resilient and safe operation.
  • Automotive Applications: In automotive systems, where high currents and voltages are prevalent, the FQA36P15 transistor finds extensive use in motor control, battery management systems, and LED lighting. Its ability to handle high currents and swift switching enables improved vehicle performance, enhanced safety, and energy efficiency.
  • Motor Control: Thanks to its low on-resistance and high power capacity, the FQA36P15 transistor is highly suitable for motor control applications. It enables efficient switching, minimizing power losses and ensuring smooth motor operation. The fast-switching capabilities of this transistor contribute to reduced noise and improved overall performance.
  • Switching Applications: The FQA36P15 transistor is an ideal choice for switching applications that require high-speed and efficient switching with minimal losses. Applications such as uninterruptible power supplies (UPS) benefit greatly from its swift response times and effectiveness.


The FQA36P15 MOSFET transistor by Fairchild Semiconductor serves as a versatile and innovative component, offering a wide range of features and benefits that significantly enhance circuit performance and efficiency. With its high power capability, low on-resistance, fast switching speed, robustness, and reliability, the FQA36P15 finds applications in various fields, including power electronics, automotive systems, motor control, and switching applications. Incorporating the FQA36P15 into designs allows engineers to improve circuit efficiency, leading to energy savings, extended product lifespans, and enhanced overall system performance. As a versatile and innovative component, the FQA36P15 transistor demonstrates its indispensability in modern electronic design.