Power MOSFETs help cut system costs

9th October 2019
Mick Elliott

Infineon OptiMOS 3 and 5 best-in-class (BiC) power MOSFETs in space-saving SuperSO8 package are available at Rutronik UK. They enable higher power density in addition to improved robustness compared to former models, and reduce system costs while increasing overall performance.

Thanks to the lowest on-state resistance (RDS(on)) the BiC MOSFETs enable reduced losses at a good price-performance ratio.

Low thermal impedance between Junction to Case (RthJC) provides excellent thermal behaviour, which promotes a lower full load temperature.

Low reverse recovery charge (Qrr) improves the system reliability by providing a significant reduction of voltage overshoot, which minimises the need for snubber circuits.

As a result, engineering costs and effort are reduced.

The 175° rating of the BiC MOSFETs facilitates designs with either more power at a higher operating junction temperature or longer lifetime at the same operating junction temperature.

With the increases in the temperature rating, a 20% improvement in the safe operating area (SAO) is achieved.

The BiC MOSFETs are ideal for applications such as telecom, server, three-phase inverter, low voltage drives as well as for class D audio applications. The Infineon OptiMOS BiC power MOSFET portfolio includes versions from 60V to 250V.

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