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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HCNR201-350E


High Linearity Optocouplers 1 Ch 60mW 25mA
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Broadcom 294
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AUD 5.4955
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HCPL-073L-500E


High Speed Optocouplers 100kBd 2Ch 230mA
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Broadcom 94
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AUD 3.3589
Multiples of: 1

TLP4590A(D4LF1,F


MOSFET Output Optocouplers
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Toshiba 94
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AUD 3.6
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TPC816MB C9G


Transistor Output Optocouplers Phototransistor DC Input 70v 50mA
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Taiwan Semiconductor 92
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AUD 0.1269
Multiples of: 1

OLI300


Transistor Output Optocouplers Miniature High-speed Optocoupler for Hybrid Assembly
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Skyworks 92
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AUD 58.0192
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JANTX4N23A


Transistor Output Optocouplers TO-78 OCI Collector Isolated
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TT Electronics 90
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AUD 68.4328
Multiples of: 100

SFH615AGB-X009T


Transistor Output Optocouplers Phototransistor Out Single CTR>100-600%
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Vishay 88
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AUD 0.598
Multiples of: 1

ISP621-4X


Optocoupler; THT; Channels:4; Out: transistor; Uinsul:5.3kV; DIP16
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Isocom 87
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AUD 1.0657
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TLP291(YH-TP,SE(T


SO-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 83
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AUD 0.6377
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LOC111


Optoisolator Photovoltaic, Linearized Output 3750Vrms 1 Channel 8-DIP
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IXYS 33
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AUD 3.6985
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