Infineon BSR92P: A High-Performance P-Channel Power MOSFET for Enhanced Circuit Efficiency
In the relentless pursuit of greater power density and energy savings in modern electronics, the choice of switching components is paramount. The Infineon BSR92P stands out as a premier P-Channel Power MOSFET engineered specifically to meet these demanding requirements, offering designers a robust solution for enhancing overall circuit efficiency.
A key advantage of the BSR92P is its exceptionally low on-state resistance (RDS(on)) of just 0.19 Ohms. This critical parameter is a major determinant of performance in power switching applications. A lower RDS(on) translates directly to reduced conduction losses when the MOSFET is fully switched on. This means less power is wasted as heat, leading to cooler operation, higher energy efficiency, and the potential for more compact designs by reducing the need for large heat sinks.
Furthermore, the BSR92P is characterized by its low gate charge (Qg). This feature is crucial for high-frequency switching circuits, which are the backbone of modern switch-mode power supplies (SMPS), battery management systems, and load switches. A low gate charge enables faster switching speeds, significantly reducing switching losses—the power dissipated during the transition between on and off states. The combination of low RDS(on) and low Qg makes the BSR92P exceptionally efficient across a wide range of operating conditions.
Designed with a -60V drain-source voltage (VDS) rating, this MOSFET provides a reliable and safe operating margin for a variety of low-voltage applications, including power management in consumer electronics, automotive systems, and industrial controls. Its P-Channel configuration offers a distinct design simplification in many cases, such as high-side switching, where it can simplify gate driving circuitry compared to an N-Channel alternative, often eliminating the need for a charge pump or bootstrap circuit.
The device is housed in a space-saving SOT-223 package, providing an excellent balance between compact form factor and effective thermal performance. This makes it an ideal choice for space-constrained applications where board real estate is at a premium.

ICGOO
The Infineon BSR92P is a high-performance P-Channel MOSFET that delivers enhanced circuit efficiency through its superior combination of very low on-state resistance and low gate charge. It is an optimal choice for designers focused on improving energy efficiency, reducing heat generation, and simplifying circuit design in power management applications across consumer, automotive, and industrial sectors.
Keywords:
P-Channel MOSFET
Low RDS(on)
Circuit Efficiency
Power Management
Low Gate Charge
