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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MOC3020S-TA


Lite-On Triac & SCR Output Optocouplers Optocoupler TRIAC
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Lite-On 7736
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AUD 0.3212
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VO610A-3X016


Transistor Output Optocouplers Phototransistor Out CTR 100-200%
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Vishay 7696
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AUD 0.168
Multiples of: 1

FOD8314T


Logic Output Opto-couplers 1.0A Output Gate Driver Optocoupler
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ON Semiconductor 7663
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AUD 0.9294
Multiples of: 1

6N137-560E


Avago Technologies High Speed Optocouplers 10 Mbs 3750Vrms
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Broadcom 7643
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AUD 0.7444
Multiples of: 1

VO615A-7X006


Transistor Output Optocouplers H.Temp Phototrnstr 80-160% CTR
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Vishay 7631
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AUD 0.1606
Multiples of: 1

Hot 4N37M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:7.5kV; DIP6
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ON Semiconductor 7599
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AUD 0.2279
Multiples of: 1

PS2913-1-F3-AX


Transistor Output Optocouplers High Col-Emit 1-Ch
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Renesas 7541
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AUD 1.331
Multiples of: 1

EL3081


Triac Optocouplers DIP-6 RoHS
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Everlight 1348
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AUD 0.1959
Multiples of: 5

ACPL-M61L-500E


High Speed Optocouplers 10MBd 15k V/us
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Broadcom 892
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AUD 0.7337
Multiples of: 1

FODM121AR2


Optocoupler; SMD; Channels:1; Out: transistor; 80V; Mini-flat 4pin
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ON Semiconductor 868
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AUD 0.2975
Multiples of: 1

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