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-217-500E


Transistor Output Optocouplers 3000Vrms 50% CTR
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Broadcom 6917
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AUD 0.4869
Multiples of: 1

K30101B


Optocouplers DIP-4 RoHS
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Cosmo 1240
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AUD 0.2112
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H11L3SR2VM


Logic Output Optocouplers Optocoupler Schmitt Trigger
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ON Semiconductor 1238
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AUD 0.5797
Multiples of: 1

LH1262CAC


MOSFET Output Optocouplers Dual Photovoltaic MOSFET Driver
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Vishay 1238
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AUD 1.6017
Multiples of: 1277

CNY17F-3X009T


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 1236
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AUD 0.4068
Multiples of: 1

MOC3021SVM


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 1233
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AUD 0.4278
Multiples of: 1

FODM121AR2


Optocoupler; SMD; Channels:1; Out: transistor; 80V; Mini-flat 4pin
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ON Semiconductor 1231
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AUD 0.2791
Multiples of: 1

H11L2M


Logic Output Opto-couplers Optocoupler LC Schmitt Trigger
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ON Semiconductor 1226
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AUD 0.5057
Multiples of: 1

6N135


High Speed Optocouplers HS Phototransistor
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Vishay 1224
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AUD 0.8948
Multiples of: 1

TLP5214(TP,E


Logic Output Opto-couplers Photocoupler, Photo IC Output
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Toshiba 926
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AUD 7.0247
Multiples of: 1

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