Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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PS2381-1Y-AX


Transistor Output Optocouplers BV = 5000Vr.m.s. -40c + 115c
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CEL 58
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AUD 1.9209
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AB38S


Optocoupler; SMD; Ch: 1; OUT: MOSFET; SOP4; 38; 600V
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MGT Brightek 58
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AUD 4.8269
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HCPL-061N-000E


High Speed Optocouplers 10MBd 1Ch 3mA
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Broadcom 58
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AUD 6.2478
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FOD3125SD


Logic Output Opto-couplers High Temp 2.5A Output Current Opto
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ON Semiconductor 56
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AUD 3.9138
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FOD8316


Logic Output Opto-couplers 2.5A Output Current IGBT DriveOptocouplr
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ON Semiconductor 56
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AUD 10.5217
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OPI210


Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-SMD
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TT Electronics 56
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AUD 11.2964
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CNY17-4M


Everlight Transistor Output Optocouplers 160-320CTR 5000Vrms -55 to 110 Op Temp
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Everlight 53
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AUD 0.3552
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EL2611


High Speed Optocouplers High Speed Thru-Hole 10MB/s
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Everlight 53
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AUD 0.8087
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FOD8316R2V


Logic Output Optocouplers 2.5A Out IGBT Drive Optcplr; DIN EN/IEC
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ON Semiconductor 47
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AUD 5.992
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OPI1270-018


Optek TT Electronics Transistor Output Optocouplers Optical Interrupter
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TT Electronics 0
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AUD 9.0791
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