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SEMITRON NPN Radio Transistor – Model NR5

This vintage SEMITRON NPN Radio Transistor is displayed on its original card; the transistor is labeled with “NR5” and “I.F. Transistor” on the front. A handwritten note also indicates the model as “2N333.”

About SEMITRON: SEMITRON, with its roots in New York, is an American electronics brand. The “American Made” stamp and the address “New York 13, N.Y.” on the product highlight its origin, reflecting the quality and innovation of American manufacturing during its time.

Dating the Item: The address format “New York 13, N.Y.” suggests that this item might be from the era before the introduction of ZIP codes in the United States in 1963. Therefore, it’s likely that this transistor dates back to the late 1950s or early 1960s.

This SEMITRON NPN Radio Transistor is not only a piece of antique electronics but also a slice of American history, representing the technological prowess of its era.