Key Parameters for Selecting RF Inductors

RF inductor selection involves a number of key parameters including, mounting (surface mount or through-hole), inductance value, current rating, DC resistance (DCR), self-resonant frequency (SRF), Q factor, and temperature rating. While small size is typically desired, the laws of physics limit how small an inductor can be for a given application. Inductance value and current rating are the chief determinants of size. Once they have been calculated, other parameters can be optimized.

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Coilcraft introduces new high current inductors for high frequency applications

Coilcraft's new SLR Family of high current, shielded power inductors is offered with current ratings up to 100 amps and inductance values from 85 to 370 nH, making it suitable for high frequency applications such as multi-phase VRM/VRD/EVRD regulators, Intel™ IMVP compatible systems, and GPUs/video graphic cards. The inductors also feature a tight DCR tolerance (±5.4% to ±10%) for lossless, inductor DCR-based current sensing.

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Coilcraft to showcase broadband conical inductors at IMS2015

Coilcraft will be highlighting their newly expanded line of BCL/BCR Series conical inductors at IMS 2015 next week in Phoenix, Arizona. The products are offered in two configurations. The BCR Series has a full-length cap to protect the coil and provide a large surface for pick and place. The BCL Series features “flying leads” to allow precise positioning and adjustment of the mounting angle.

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