Smallest DFN MOSFETs in the world!

06 July 2022

DFN0603 package from Nexperia improves performance while reducing space needs significantly.

Semiconductor manufacturer, Nexperia has announced the release of a new range of 20 V & 30 V MOSFETs (metal–oxide–semiconductor field-effect transistors) in the world’s smallest DFN (dual-flat no-leads) package, the DFN0603. Nexperia already offers ESD (electrostatic discharge) protection devices in this package, but has now succeeded in bringing it to their MOSFET portfolio, a feat as yet unmatched in the industry.

Next generation wearable and hearable devices are incorporating new levels of artificial intelligence (AI) and machine learning (ML), creating several challenges for product designers. Firstly, available board space is at a premium as functionality is added, plus heat dissipation becomes a problem as power consumption increases.

Nexperia has drawn on its decades of experience as an industry leader in the production of discrete components and designed this innovative range of tiny MOSFETs to successfully overcome both concerns. The ultra-low-profile DFN0603 package, measuring only 0.63 x 0.33 x 0.25 mm, uses 13% less space than MOSFETs in the next smallest package (DFN0604). Impressively, this size reduction has been achieved without compromising device performance – in fact the RDS(on) of these devices has been reduced by 74%, helping to improve efficiency and thereby enabling wearable equipment designers to achieve even greater power density.

This new range of tiny MOSFETs includes:

•    PMX100UN 20 V, N-channel Trench MOSFET
•    PMX100UNE 20 V, N-channel Trench MOSFET with 2kV ESD protection (HBM)
•    PMX300UNE 30 V, N-channel Trench MOSFET
•    PMX400UP 20 V, P-channel Trench MOSFET

Nexperia has plans to add two more MOSFETs to this range later in 2022.

Samples are available now. For more information, including product specs and datasheets, please visit:

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