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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VO617A-3X018T


Transistor Output Optocouplers CPLR
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Vishay 18633
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AUD 0.1729
Multiples of: 1

VO617A-4X007T


Transistor Output Optocouplers H. Relblty 5300 Vrms 160-320% CTR
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Vishay 18356
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AUD 0.1587
Multiples of: 1

4N25


Optocouplers DIP-6 RoHS
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Everlight 18303
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AUD 0.1796
Multiples of: 5

6N136


High Speed Optocouplers 1Mb High Speed DC Input
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Everlight 18280
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AUD 0.4204
Multiples of: 1

CNY17-4X007T


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 18104
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AUD 0.4068
Multiples of: 1

LTV-217TP1-B-V-G


Optocouplers SOP-4_P1.27 RoHS
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Lite-On 17930
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AUD 0.1087
Multiples of: 5

MOC3011SR2M


Triac & SCR Output Optocouplers 6Pin 250V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 15434
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AUD 0.4522
Multiples of: 1

6N137M


Logic Output Optoisolator 10Mbps Open Collector 5000Vrms 1 Channel 10kV/µs (Typ) CMTI 8-DIP
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ON Semiconductor 9667
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AUD 0.6019
Multiples of: 1

TLP2358(TPL,E)


High Speed Optocouplers Photocoupler 20V 3mA 70ns 3750Vrms
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Toshiba 9222
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AUD 0.5762
Multiples of: 1

VOS618A-8T


Vishay Semiconductors Transistor Output Optocouplers CTR 130-260% 1mA
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Vishay 3012
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AUD 0.2514
Multiples of: 1

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