Power Electronics
20 V P-Channel Gen III MOSFET In MICRO FOOT® Package

20 V P-Channel Gen III MOSFET In MICRO FOOT® Package

The TrenchFET® P-channel Gen III power MOSFETs  from Vishay Intertechnology, Inc. is now available in a -20 V device packaged in the 2.4 mm by 2.0 mm by 0.4 mm CSP MICRO FOOT® size. Designed to increase efficiency and save space in mobile computing devices, the Vishay Siliconix Si8851EDB offers extremely low on-resistance of 8.0 mΩ and 11.0 mΩ at -4.5 V and -2.5 V gate drives, respectively.

The Si8851EDB's p-channel Gen III technology, in combination with MICRO FOOT's packageless CSP technology and 30-pin design and layout, provides the lowest on-resistance possible for a given outline area. Compared with the closest competing 2 mm by 2 mm by 0.8 mm device, the Si8851EDB combines a 50 % thinner profile with almost half the on-resistance at a 4.5 V gate drive, providing 37 % lower on-resistance per package size. Offering similar on-resistance to 3.3 mm by 3.3 mm by 0.8 mm MOSFETs, the Si8851EDB provides a 56 % smaller outline and at least a 30 % lower on-resistance per package size.

With its slim 0.4 mm profile, the device released today is optimized for load and battery switches in power management applications for tablets, smartphones, and notebooks. The Si8851EDB's low on-resistance allows designers to achieve lower voltage drops in their circuits - promoting more efficient use of power and longer battery run times - while its compact footprint saves valuable PCB space. High typical ESD protection to 6 kV helps protect handheld devices against static charges while ensuring safe part handling during the manufacturing process. The MOSFET is halogen-free according to the JEDEC JS709A definition and compliant to RoHS Directive 2011/65/EU.

Samples and production quantities of the Si8851EDB are available now, with lead times of 12 to 16 weeks for larger orders. Pricing for U.S. delivery only starts at $0.15 per piece in 100,000-piece quantities.

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