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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TIL117SR2VM


Transistor Output Optocouplers 6-Pin Optocoupler SMT Transistor
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 1123
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AUD 0.5211
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IL4116-X007T


Triac & SCR Output Optocouplers Phototriac Output, Zero Crossing
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Vishay 1122
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AUD 3.282
Multiples of: 1

KTLP161J3 TLD


SOP-4 Optocouplers - Phototransistor Output ROHS
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Cosmo 1120
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AUD 0.5687
Multiples of: 1

OPI120


Optoisolator Transistor with Base Output 15000VDC 1 Channel Axial
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TT Electronics 1118
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AUD 16.7794
Multiples of: 1

TCDT1102


Transistor Output Optocouplers Phototransistor Out
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Vishay 1116
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AUD 0.3125
Multiples of: 1

KL817S1-C-TU-F


5kV 1.2V SMD-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Kinglight 1115
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AUD 0.0416
Multiples of: 10

H11D1S


Optoisolator Transistor with Base Output 5000Vrms 1 Channel 6-SMD
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Lite-On 1113
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AUD 0.4562
Multiples of: 1

PD2401X2


IXYS Integrated Circuits Triac & SCR Output Optocouplers 500V, 1mA AC Solid State Relay
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IXYS 1111
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AUD 8.6889
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CNY171VM


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 1109
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AUD 0.4655
Multiples of: 1

LTV-846


Optocoupler; THT; Channels:4; Out: transistor; Uinsul:5kV; Uce:80V
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Lite-On 1083
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AUD 0.5675
Multiples of: 1

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