Power

New Vishay Siliconix 60-V SiM400 in 1-mm x 0.6-mm SOT-923 Delivers Space Savings for Small-Signal Applications

4th January 2010
ES Admin
0
Vishay Intertechnology, Inc. today released a 60-V n-channel power MOSFET in the tiny SOT-923 package that will provide dramatic space savings over devices in larger packages such as the SC-70 and SC-89.
The smallest 60-V power MOSFET ever released, the SiM400’s SOT-923 measures 1 mm by 0.6 mm with a maximum height profile of 0.43 mm. Its footprint dimensions are 77 % smaller than the SC-89, while its height profile is 26 % thinner.

On-resistance for the new device is 3.9 Ω at VGS = 10 V, 4.8 Ω at 4.5 V, and 8 Ω at 3.5 V.

The SiM400 will serve in a very wide range of small-signal switching applications where minimal board space is available, including miniaturized motors in digital still and video cameras, electro-luminescent backlighting, and boost dc-to-dc converters, where its miniscule dimensions will help to save space and/or enable greater functionality.

Handheld devices tend to use small-signal switching in conjunction with complex controllers such as power management units (PMUs). The SiM400’s low on-resistance ratings down to 3.5 V, which is an exceptionally low gate-to-source value for a 60-V device, and its small package size compared to a SC-89, thus represent important benefits.

The environmentally friendly new device is lead (Pb)-free, halogen-free, and RoHS-compliant. It additionally provides ESD protection up to 1500 V.

Samples and production quantities of the SiM400 are available now, with lead times of 10 to 12 weeks for larger orders.

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