科启达电子有限公司回收电子料（型号高价回收，价格更理想）
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光耦合器的主要优点是：信号单向传输，输入端与输出端完全实现了电气隔离，输出信号对输入端无影响，抗干扰能力强，工作稳定，无触点，使用寿命长，传输效率高。光耦合器是70年代发展起来产新型器件，现已广泛用于电气绝缘、电平转换、级间耦合、驱动电路、开关电路、斩波器、多谐振荡器、信号隔离、级间隔离 、脉冲放大电路、数字仪表、远距离信号传输、脉冲放大、固态继电器(SSR）、仪器仪表、通信设备及微机接口中。在单片开关电源中，利用线性光耦合器可构成光耦反馈电路，通过调节控制端电流来改变占空比，达到精密稳压目的，实现信号接收转移。
光电耦合器分为两种：一种为非线性光耦，另一种为线性光耦。非线性光耦的电流传输特性曲线是非线性的，这类光耦适合于开关信号的传输，不适合于传输模拟量。常用的4N系列光耦属于非线性光耦。
线性光耦的电流传输特性曲线接近直线，并且小信号时性能较好，能以线性特性进行隔离控制。常用的线性光耦是PC817A—C系列。
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CGA3E3X5R0J335MT0Y0N
CC0402JRNPO9BN390
GRM1555C1H390JA01D
C1005NP0390JGT
CC0603JRNPO9BN391
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0402N391J500CT
GRM1555C1H391GA01D
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GRM0335C1H470JA01D
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0603N472J500CT
CC0603JRNPO9BN472
1206N472J251CT
0603B473K250CT
CC0603KRX7R9BB473
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CL10B474KO8NNNC
CMCF-250/474KX1812TF
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CC0603KRX5R8BB474
GRM155R71A474KE01D
CL21B475KAFNNNE
GRM185R60J475ME15D
GRM21BR61E475KA12L
0603F475Z6R3CT
GRM188R60J475KE19D
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0402B681J500CT
CC0201KRX7R8BB681
0402N681J500LT
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0603B683K500CT
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