42GRF-9002-QD 42GRF-9000 42GRF-9000-10 42GRF-9000-QD 42GRF-9000-QD1 42GRF-9001 42GRF-9001-QD 42GRF-9002 42GRF-9002-QD 在外电场的作用下，光电载流子参与导电，形成比暗电流大得多的反向电流，该反向电流称为光电流。光电流的大小与光照强度成正比，于是在负载电阻上就能得到随光照强度变化而变化的电信号。 42GRF-9003 42GRF-9003-QD 42GRF-9003-QD1 42GRF-9003-QD3 42GRF-9003-QD4 42GRF-9003-QD6 42GRF-9101-QD 42GRF-9102 42GRF-9102-QD 42GRF-9103 42GRF-9103-QD 42GRF-9103-QD1 42GRL-9000 42GRL-9000-5 42GRL-9000H 42GRL-9000-QD 42GRL-9000-QD3
42GRL-9002-QD 42GRL-9003-QD 42GRL-9003-QD2 42GRL-9040 42GRL-9040-5 光电传感器是通过把光强度的变化转换成电信号的变化来实现控制的。光电传感器在一般情况下，有三部分构成，它们分为：发送器、***和检测电路。
发送器对准目标发射光束，发射的光束一般来源于半导体光源，发光二极管(LED)、激光二极管及红外发射二极管。光束不间断地发射，或者改变脉冲宽度。***有光电二极管、光电三极管、光电池组成。在***的前面，装有光学元件如透镜和光圈等。在其后面是检测电路，它能滤出有效信号和应用该信号。140U-N-BB3M 140U-N-BB4M 140U-N-EA1 140U-N-EA1R1 140U-N-EA2 140U-N-EOPA 140U-N-EOPD 140U-N-ER1140U-N-FCX06 140U-N-PB 140U-N-PL 140U-N-RM12B 140U-N-SNB 140U-N-SND 140U-N-SNJ 140U-N-SNN
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140U-N-UA 140U-N-UB 140U-N-UJ 140U-N-XFC06
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140U-P1 140U-P2 140U-PB 140U-PY 140U-Q-MHM 140U-Q-MHS 140U-Q-RMX 140U-Q-RVM12B
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140U-R-EA1R1 140U-R-FCX06 140U-R-RM12B 140U-R-TLA4 140U-R-TLA6
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140U-R25RP3-E20 140U-R312 140U-R312S 140U-***1S 140U-R421 140U-R512 188-J3C100-N
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