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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FOD8318R2


Logic Output Optocouplers 2.5A Output Current IGBT Drv Optocoupler
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ON Semiconductor 9457
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AUD 5.1083
Multiples of: 750

TLP291(GRL-TP,SE(T


Optocouplers SO-4 RoHS
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Toshiba 9418
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AUD 0.3958
Multiples of: 1

FOD817A3S


Transistor Output Optocouplers Opto Phototransistor Output SM-DIP4
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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 9380
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AUD 0.1807
Multiples of: 1

TLP785(D4-GB,F(C


Optocouplers DIP-4 RoHS
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Toshiba 9379
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AUD 0.4122
Multiples of: 1

EL3021


Triac Optocouplers DIP-6 RoHS
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Everlight 9326
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AUD 0.1547
Multiples of: 5

6N137TSVM


Fairchild Semiconductor Logic Output Optocouplers
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ON Semiconductor 9280
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AUD 0.9529
Multiples of: 1

4N26


Transistor Output Optocouplers PTR 20%, 2.5KV
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Lite-On 9178
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AUD 0.1729
Multiples of: 1

TLP5214A(TP,E(O


DIP Optocouplers SO-16 RoHS
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Toshiba 8834
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AUD 2.1479
Multiples of: 1

PS2801C-1-F3


Optocouplers SOP-4_P1.27 RoHS
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Renesas 6101
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AUD 0.2321
Multiples of: 5

LTV-816S-TA1-B


Transistor Output Optocouplers P/C LTV-816S-TA1-B TAPPING TYPE II
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Lite-On 1794
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AUD 0.0591
Multiples of: 10

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