Markings and Codes
RMA: Radio Manufacture's Association. 1924 to 1953. RETMA: Radio Electronics Television Manufacturers' Association. 1953 to 1957. ... Case codes are most often seen with tantalum capacitors. Case size codes are based on the sizes in 0.01s of an inch in English and 0.1 mm in metric. Example: Case code 0603 (EIA English) and 1608 (IEC …
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