Overview of RCD Series MC Thick Film Chip Resistors and Jumpers
RCD Components Inc. offers an extensive selection of thick film chip resistors and jumpers under the Series MC, noted for their precision, reliability, and performance. Spanning a power rating from 50mW to 3W, these resistors cater to a wide resistance range of 0.1Ω to 22MΩ with tolerances from 0.25% to 5% and temperature coefficients as tight as 50ppm. They are designed with a focus on low inductance and come with a nickel barrier plating for excellent solderability and prolonged shelf life.
Key Features and Options
The MC Series resistors include the ZC Series zero-ohm chip resistors capable of handling currents from 1A to 25A and are compliant with the RoHS directive. Other notable offerings:
- Stocked Sizes: Common sizes like 0402, 0603, 0805, and 1206 are abundantly stocked in 1% and 5% tolerances. Other sizes and popular values are available from stock as well.
- Options: These resistors come with various options such as high operating temperature (Option V), user-trimmability (Option U), and increased pulse capability (Option P).
- Military and Custom: RCD provides options for military screening, custom values and temperature coefficients, and specialized microwave designs.
- Assembly Services: The company also extends cost-effective offshore assembly services for surface mount and leaded PCBs, detailed on page 114 of their catalogue.
Voltage Rating and Performance
Voltage ratings vary across the range with specific stock items, typically starting from 25V for smaller 0201 size parts up to 350V for larger 2040 parts. These resistors are also designed to handle significant pulse power levels, with specific options for improved pulse tolerances. The typical performance data such as Thermal Shock, Moisture Resistance, and Operating Temperature Life provide insight into their durability and suitability for demanding applications.
Product Identification and Packaging
Identification of each part is simplified through a pin designation system that includes the series type, chip size, resistance value, tolerance, optional designations, and termination type. Packaging options are available in bulk or tape & reel (marked with ‘B’ or ‘T’ respectively).
Note on Operation
When operated at or near full rated power, consideration should be given to the mounting geometry to ensure reliability. Additionally, the standard wattage rating is halved, and the maximum pulse voltage reduced by 50V for option P versions.
Contact and Legal Information
RCD can be contacted via their Manchester, NH offices, with contact details provided for sales inquiries. All product sales adhere to their terms as specified in document GF-061, with a note that specifications are subject to change without notice.
References:
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