Category:OCP71
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English: OCP71, an early germanium phototransistor, based on the OC71 PNP bipolar junction transistor, but mounted in a transparent glass case.
Media in category "OCP71"
The following 3 files are in this category, out of 3 total.
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OCP71, collector side.jpg 1,073 × 1,934; 367 KB
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OCP71, edge-on.jpg 1,058 × 2,013; 388 KB
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OCP71, emitter side.jpg 1,202 × 1,869; 385 KB