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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6N137S


10Mbit/s 100ns 2.7V~5.5V 10kV DC SOP-8 Logic Output Optoisolators ROHS
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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.

AOTE 7502
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AUD 0.25
Multiples of: 5

BRT23H


Triac & SCR Output Optocouplers PHOTOTRIAC OUTPUT
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Vishay 7460
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AUD 3.0032
Multiples of: 1

VO615A-4X019T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SMD4
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Vishay 7455
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AUD 0.1729
Multiples of: 1

PS2581AL1-A


Transistor Output Optocouplers SGL Tr DC WideLead COUPLR
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CEL 7331
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AUD 0.3808
Multiples of: 1

SFH6186-3


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 7307
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AUD 0.454
Multiples of: 1

VOL617A-4T


Transistor Output Optocouplers Optocoupler LSOP4
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Vishay 6766
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AUD 0.2619
Multiples of: 1

FOD8001R2


Fairchild Semiconductor High Speed Optocouplers 3.3V Logic Gate with High Noise Immunity
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ON Semiconductor 6651
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AUD 1.526
Multiples of: 1

PS2505-4-A


Transistor Output Optocouplers Hi-Iso AC Input 4-Ch
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CEL 5987
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AUD 1.8508
Multiples of: 1

FOD817C300W


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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ON Semiconductor 3821
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AUD 0.1712
Multiples of: 5

PS2801C-1-F3


Optocouplers SOP-4_P1.27 RoHS
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Renesas 2594
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AUD 0.2001
Multiples of: 5

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