R-Core Transformers are manufactured using a unique rectangular core with a round cross section known as an R-Core. These special cores feature a continuous strip of grain-oriented silicon steel with no air-gap. The winding is done on special round bobbins on the two parallel legs of the core.
R-Core Transformers can be designed so that coil windings mutually cancel each other’s magnetic flux by means of balanced, symmetrical winding on the two legs. With this winding method the leakage flux can be kept to a minimum.
The R-Core with its low-leakage, low-noise characteristics is well suited for medical equipment, audio & video amplifiers, and other noise sensitive equipment. Circuit designers are able to place the transformer closer to other critical electronic components.
Another unique feature of the R-Core is the use of two part bobbins. The primary winding and secondary winding are done on separate concentric bobbins thus ensuring complete isolation. This allows meeting of any safety standards requirement.
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