Part Catalog : PC817

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PC817

Type:
Photocoupler
Function:
Electrical Isolation
Series:
Alias:
Comp. Pair:
Manufacturer:
Equivalent Parts:

Introduction :

PC817（常統稱為 817 光耦）是電子電路中最普遍的單通道線性光電耦合器（Photocoupler / Optocoupler），最早由日本夏普（Sharp）推出，現已成為各大半導體廠共同生產的業界標準元件。

它內部封裝了一顆紅外線發光二極體（IR LED）與一顆光敏電晶體（Phototransistor）。透過「電 → 光 → 電」的轉換方式傳遞訊號，能在輸入端與輸出端之間提供高達 5,000 Vrms 的電氣隔離，徹底阻斷高壓與低壓電路之間的共地干擾或突波串擾

Datasheet
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