Infineon IKD03N60RF: A 600V 3A High-Performance CoolMOS™ Power Transistor
In the realm of power electronics, efficiency, thermal performance, and reliability are paramount. The Infineon IKD03N60RF stands out as a high-performance Power Transistor engineered to meet these demanding requirements. As part of Infineon’s renowned CoolMOS™ family, this 600V, 3A MOSFET is designed to deliver exceptional switching performance and energy efficiency in a wide range of applications.
Built on Infineon’s advanced superjunction (SJ) technology, the IKD03N60RF achieves an outstandingly low on-state resistance (RDS(on)) combined with minimal gate charge (Qg). This results in significantly reduced conduction and switching losses, making it an ideal choice for high-efficiency power supplies, lighting systems, motor drives, and other switch-mode power applications. The 600V voltage rating ensures robust operation and enhanced safety margins in industrial and consumer environments, providing designers with greater flexibility and reliability.
Another key advantage of the IKD03N60RF is its excellent thermal performance. The low RDS(on) directly contributes to lower power dissipation, which reduces the need for extensive cooling mechanisms. This allows for more compact designs and can contribute to lowering the overall system cost. Additionally, the transistor’s high switching speed enables higher frequency operations, which helps in reducing the size of passive components such as inductors and transformers.
The device is also designed with ease of use in mind. It is housed in a TO-252 (DPAK) package, which offers good power handling capabilities and facilitates straightforward PCB mounting. With its high avalanche ruggedness and strong body diode characteristics, the IKD03N60RF enhances system durability and performance under stressful conditions such as overvoltage transients.

ICGOOODFIND: The Infineon IKD03N60RF CoolMOS™ Power Transistor sets a high standard for performance in power switching applications, offering an optimal balance of low losses, thermal efficiency, and reliability, making it a superior choice for modern power conversion systems.
Keywords:
CoolMOS™,
Low RDS(on),
600V MOSFET,
High Efficiency,
Thermal Performance
