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Coilcraft unveil High-frequency Air Core Inductors with Square Profile

17th July 2013

Coilcraft, Inc

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Coilcraft has today introduced a new series of high-performance air core inductors, the 1111SQ Series. Offering exceptionally high Q factors of up to 200 at 400 MHz, the new inductor series feature inductance values from 27nH to 47nH. The square profile 1111SQ Series is available in seven models with footprints from just 2.67mm x 2.67mm.

The spring was engineered to have a unique, square shape that has been optimized for coplanarity, resulting in a flat top and bottom for reliable pick and place operation and mechanical stability on the PC board. Solder-coated leads also ensure excellent solderability.

These latest additions to Coilcraft’s growing line of high-frequency square air core inductors offer current ratings to 5.5 A, making them suitable for use as chokes in high-current RF power amplifiers for cellular towers and high-power radar.

Their combination of performance, inductance values, and tolerances as tight as 2% also make them ideal components in DOCSIS (Data Over Cable Service Interface Specification) applications such as set-top boxes and cable modems.

Parts are available from stock and can be ordered on-line or by calling a local Coilcraft sales office. Pricing at 1,000 pieces is $0.59 for the 1111SQ with 5% tolerance and $0.68 each for 2% tolerance.