4‑Channel DC‑IN Transistor DC‑OUT Optocoupler, 16‑Pin PDIP
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The TLP521-4(GB,F) is a four-channel DC-input transistor output optocoupler manufactured by TOSHIBA. This device provides electrical isolation between input and output circuits using an infrared LED and a phototransistor. It is housed in a 16-pin PDIP package and designed for applications requiring multiple isolated channels.
This quad-channel optocoupler is typically used in systems requiring galvanic isolation to protect sensitive circuitry or to interface between circuits with different ground potentials. Its design makes it suitable for various control and interface applications.