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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LTV-814S-TA


Transistor Output Optocouplers Optocoupler
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Lite-On 51654
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AUD 0.2218
Multiples of: 1

FOD817SD


Transistor Output Optocouplers 4PN DIP Photo Xstr Output Optocoupler
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ON Semiconductor 51410
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AUD 0.1668
Multiples of: 1000

EL3H7(B)(TA)-VG


Transistor Output Optocouplers 50-600CTR 3750Vrms -55 to +110 Op Temp
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Everlight 50745
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AUD 0.0615
Multiples of: 5

SFH615A-4X009


Transistor Output Optocouplers Phototransistor Out Single CTR>160-320%
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Vishay 50605
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AUD 0.426
Multiples of: 1

VOS615A-4T


Transistor Output Optocouplers Phototransistor 160-320% CTR 10MA
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Vishay 49495
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AUD 0.2897
Multiples of: 1

PS2501-1


Optocouplers DIP-4 RoHS
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Isocom 48500
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AUD 0.2174
Multiples of: 100

4N35XSMT&R


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP SMD T/R
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Isocom 48500
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AUD 0.3797
Multiples of: 1000

4N25XSMT&R


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP SMD T/R
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Isocom 48500
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AUD 0.4038
Multiples of: 1000

MCT6X


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5.3kV; DIP8
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Isocom 48500
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AUD 0.5065
Multiples of: 50

MCT6XSM


Optocoupler; SMD; Channels:2; Out: transistor; Uinsul:5.3kV
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Isocom 48500
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AUD 0.5476
Multiples of: 50

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