1N72

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Historic general-purpose Germanium or Silicon point-contact switching signal diode housed in an early axial glass or metal package, engineered by General Electric to pass low-power digital signals quickly inside mid-century sub-assemblies. Equivalents: NTE109. Real-Life Examples: 1950s/1960s pocket transistor radio detectors, legacy instrumentation status panels, and early automated factory computing logic boards. [1] Show more