Codeco Corporation

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Codeco Corporation, founded in 1954, is a long-established leader in the design and manufacturing of precision radio frequency (RF) and intermediate frequency (IF) attenuators. Over the decades, the company has evolved into a key supplier of high-precision resistors under the VPR (Vermont Precision Resistor) name, maintaining an inventory of over seven million resistors to ensure fast turnaround times. Codeco also offers an extensive range of wirewound resistors with extremely tight tolerances and temperature coefficients. With a legacy of innovation and quality, they continue to serve a wide range of industries with precision-engineered solutions.
Featured Products
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Built for efficient thermal performance, these resistors use encapsulated elements, centerless ground cores, and chassis-mounted aluminum housings to support high power loads in minimal space.
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Designed for maximum precision and durability, these resistors use non-inductive winding on molded bobbins, undergo extensive stress relief, and feature a solvent-resistant epoxy finish for long-term performance and consistency.
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These precision, axial-lead resistors feature stress-wound elements on alumina cores, welded terminations, and a high-temperature silicone coating for chemical resistance and MIL-R-26 performance.
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Engineered for failsafe overload protection, this resistor acts as a standard resistor until a fault occurs, then predictably opens to prevent circuit board damage, while meeting stringent UL, EIA, and MIL-R-22684 specifications.

Combines tight resistance tolerances, low thermal drift, and long-term stability for use in precision instrumentation, aerospace systems, and calibration equipment.