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Isocom H21A1/A3 Transistor Output Optoswitch
Transistor Output Optoswitch – Isocom H21A1, A single transistor output optoswitch which consists of a gallium arsenide infrared emitting diode and an NPN silicon photo transistor mounted in a polycarbonate housing. High gain, 3mm gap between LED and detector. Typical applications include copiers, printers, facsimiles, record players, cassette decks and optoelectronic switches. Isocom H21A1/A3 Transistor Output Optoswitch
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