![]() Later, IEC 63 was revised, amended, and renamed into the current version known as IEC 60063:2015. ![]() The first version of this IEC Publication 63 (IEC 63) was released in 1952. As transistor radio production migrated towards Japan during the late-1950s, it was critical for the electronic industry to have international standards.Īs worked on by the RMA, the International Electrotechnical Commission (IEC) began work on an international standard in 1948. Later, the mid-20th century baby boom and the invention of the transistor kicked off demand for consumer electronics goods during the 1950s. Īmerican and British military production during World War II was a major influence for establishing common standards across many industries, especially in electronics, where it was essential to produce large quantities of standardized electronic parts very quickly for wireless communication and Radar devices. Over time, resistor manufacturers migrated from older resistance values to the 1936 resistance value standard. In 1936, the RMA adopted a preferred number system for the resistance values of fixed composition resistors. ![]() Over time, this group created some of the earliest standards for electronics components. In 1924, the Radio Manufacturers Association (RMA) was formed by 50 radio manufacturers in Chicago to license and share patents. ![]() ![]() The capacitance values of capacitors (previously called condensers) and resistance values for resistors were different than today. In the early years, many components were not standardized between radio manufacturers. During the Golden Age of Radio (1920s to 1950s), numerous companies manufactured AM radio receivers for consumer use. ![]()
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