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2025

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The Development History of Resistors


Resistors are fundamental components in circuits. After testing the conductivity of various materials and discovering the presence of current, early scientists gradually developed the concept of resistance. Scientists have found that copper, gold, and aluminum are excellent conductors with low resistance, while air, mica, and ceramics are considered resistors because they can greatly restrict the flow of current. Although industry insiders have long known about its resistance performance, it was not until 1961 when Otis Boykin created the first inexpensive and reliable resistor, allowing scientists to accurately control the amount of current transmitted to a component, that the reliable resistor we know today was born. With his breakthrough, the resistance of resistors to extreme temperatures and oscillations greatly decreased, ultimately making low-cost production possible. As the US military, IBM, and numerous consumer electronics manufacturers place orders to purchase Boykin's new resistors, their presence is ubiquitous from household appliances, computers to missiles.

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