Shielded inductors reduce emissions in tight layouts
Bourns’ SRP2008DP series of shielded power inductors provides the saturation current needed for dense DC/DC converter designs and miniature electronic devices. These low-profile devices, with dimensions of just 2.0×1.6×0.8 mm, enable use in compact circuits with minimal routing changes.
The eight inductors in the SRP2008DP series cover inductances from 0.24 µH to 4.70 µH, heating current (IRMS) from 1.10 A to 3.50 A, and saturation current (ISAT) from 1.60 A to 5.50 A. DC resistance ranges from 36 mΩ to 468 mΩ, and operating temperature spans -40°C to +125°C.
In crowded layouts, radiated emissions and magnetic coupling can compromise signal integrity and complicate EMC compliance. The SRP2008DP series addresses these issues with a small, shielded package and a metal-alloy powder core. The shielded design contains magnetic flux, reducing emissions to nearby circuitry, while the high-resistivity core suppresses eddy currents and limits core losses at high switching frequencies. Contained flux also minimizes coupling to adjacent traces, lowering interference in densely populated layouts.
The SRP2008DP series is available through Bourns’ authorized distributors. Request samples here.
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