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Precision Metal-Film Resistors MCC Series

Writer:Microhm Page View:Date:2019-11-07
Microhm Electronics offers a low-cost, low noise alternative commercial metal film resistor for precision applications. The MCC series offers tight tolerances and low TCRs over a wide resistance range and are suitable for applications where long-term stability is paramount, such as telecom, test and measurement and all general purpose applications.
The MCC is available in a resistance range of 1Ω to 3MΩ with a standard resistance tolerance of ±0.1% and a temperature coefficient of resistance (TCR) of ±10 /±15ppm/°C, although other tolerances (±0.25%, ±0.5%, ±1%) and TCRs are available. The operating temperature ranges from  -55°C to + 155°C.
The resistance element in these devices is a precisely controlled thin film of metal alloy deposited on a high quality alumina rod. Plated caps are force-fitted before the assembly is trimmed using advanced trimming techniques to ensure excellent performance and low electrical noise.

Leads are welded to the end caps prior to the resistor being coated with epoxy, and colour band marking applied. A variety of standard lead forms are available for use where auto-insertion is not available or practical. This gives the advantage of the value being shown, even if the resistor is machine preformed or auto-inserted. The MCC is RoHS compliant with 100% lead free.


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