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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ACPL-214-50AE


Transistor Output Optocouplers 3000Vrms 20% CTR
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Broadcom 40
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AUD 0.8376
Multiples of: 1

APT1211


Triac & SCR Output Optocouplers AC TY 600V 100mA 50V Phototriac Coupler
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Panasonic 40
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AUD 0.9189
Multiples of: 1

FOD3182TV


Fairchild Semiconductor High Speed Optocouplers High Speed 3A OUT MOSFET Gate Driver
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ON Semiconductor 40
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AUD 2.373
Multiples of: 1

PS2811-4-A


Transistor Output Optocouplers Hi CTR Lo-Input 4-Ch
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CEL 40
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AUD 7.3741
Multiples of: 1

SFH6106-5T


Transistor Output Optocouplers Phototransistor Out Single CTR>250-500%
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Vishay 39
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AUD 0.4267
Multiples of: 1

MOC3032SM


Triac & SCR Output Optocouplers SO-6 ZERO TRIAC
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ON Semiconductor 39
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AUD 0.6111
Multiples of: 1

IL4118-X017


Triac & SCR Output Optocouplers Phototriac Output Zero Crossing
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Vishay 39
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AUD 3.7365
Multiples of: 1

ORPC-817B-C


DIP-4 Optocouplers - Phototransistor Output ROHS
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Orient 38
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AUD 0.0452
Multiples of: 10

MOC3023S


60mA 400V 1.15V Two-way thyristor SMD Optocouplers - Thyristor Signal Output ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 38
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AUD 0.1354
Multiples of: 5

PC817X2CSZ9F


Transistor Output Optocouplers Photocoupler
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Sharp 0
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AUD 0.096
Multiples of: 5

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