Description: High Density Mounting Type Photocoupler. Manufacturer: Sharp Corporation.

Description: DC Input 4-Pin Phototransistor Optocoupler. Manufacturer: CT Micro International Corporation.

下载PC817C中文资料、引脚图、Datasheet数据手册，有晶体管输出光耦详细引脚图及功能的应用电路图电压和使用方法及教程。

该电路主要用于执行任何 4 引脚光耦合器 ic 的功能测试。 为了进行功能测试，将 IC 放在母头中，使 IC 的光电晶体管的发射极和 IR LED 阳极引脚连接到电路的 GND，而 IR LED 阴极和光电晶体管的集电极引脚 IC 连接到 4V VCC。

In PC817 photoisolator IC circuit, the IR receives the noisy signal as a power from the one circuit and passes it to the other part through the IR signal. The other part receives the signal and then performs according to the circuit design. PC817 consists of an LED emitting diode and phototransistor. They are coupled together optically.

LTV-817C Lite-On 電晶體輸出光耦器 Optocoupler 50% 5kv 4Pin 資料表、庫存和定價。

2018年5月27日 · This IC is used to provide electrical isolation between two circuits, one part of the circuit is connected to the IR LED and the other to Photo-transistor. The digital signal given to the IR LED will be reflected on the transistor but there will be no hard electrical connection between the two.

2018年2月12日 · 817c是光耦，对输入、输出电信号起隔离作用，光耦合器一般由三部分组成：光的发射、光的接收及信号放大。 输入的电信号驱动发光二极管（LED），使之发出一定波长的光，被光探测器接收而产生光 电流 ，再经过进一步放大后输出。

2021年6月22日 · EL817C IC is a popular optocoupler IC. The IC like any other optocoupler consists of an infrared emitting diode which is optically coupled to a phototransistor detector. This section mentions some of the features and specifications of the EL817C Optocoupler IC.

2022年1月20日 · As an optocoupler, the PC817 IC is advantageous for reducing noise between the input signal and electrical appliances/circuits, typical applications include: A phototransistor-based optocoupler circuit is used in the upper circuit. It will function similarly to a standard DC transistor switch.