Low loss power inductors designed for high frequency applications

8th May 2018
Lanna Cooper


Coilcraft has introduced its new XEL50xx Family of high performance, molded power inductors that offer low DC resistance and ultra-low AC losses, improving power converter efficiency at high frequencies (2-5MHz) and high ripple current.

The use of high switching frequencies or high ripple current allows a corresponding lower inductance value, which results in a physically smaller part for the same electrical specs. XEL50xx Family inductors measure just 5.28x5.48mm with a maximum height of 3.2mm.

The XEL50xx Family is currently available in two models, the XEL5020 and XEL5030. A third model, the XEL5050 is expected late Q2 2018. The XEL5020 is available in six inductance values from 0.10-1.0µH, with current ratings up to 39A.

The XEL5030 has ten values from 0.13-4.7µH and current ratings up to 44A. All models offer soft saturation characteristics to withstand high current spikes and have no thermal aging issues.

XEL50xx Family inductors are qualified to AEC-Q200 Grade 1 standards (-40° to +125°C ambient) with a maximum part temperature of +165°C, making them suitable for automotive and other harsh-environment applications.

They feature RoHS-compliant, tin-silver-over-copper terminations and are halogen free. Their composite construction also minimises audible buzzing.

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