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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VOT8125AB-T


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm SMD6; 5000V Vrms
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Vishay 7
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AUD 1.0803
Multiples of: 1

RV1S2211ACCSP-10YC#SC0


Photocoupler with 8.2mm Creepage Distance 5000Vrms 4-Pin SSOP Surface Mount
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Renesas 7
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AUD 1.2519
Multiples of: 1

PVI5033RPBF


Photodiode Output Optocouplers 2 Form A Photo Voltaic Isolator
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Infineon 7
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AUD 10.9225
Multiples of: 1

MOC8104-X019T


Transistor Output Optocouplers Phototransistor Out Single CTR>160-256%
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Vishay 6
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AUD 0.8537
Multiples of: 1

CPC1945Y


Triac & SCR Output Optocouplers 400V, 1mA AC Solid State Relay
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IXYS 6
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AUD 7.0836
Multiples of: 1

4N28M


Transistor Output Optocouplers PTR 20%, 0.5KV
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Lite-On 5
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AUD 0.2003
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VOT8121AD-V


Triac & SCR Output Optocouplers Optocplr, Phototriac uL, cUL, CQC DIP-4
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Vishay 5
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AUD 0.5566
Multiples of: 1

6N139-300E


High Speed Optocouplers 100 KBd 2500Vrms
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Broadcom 5
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AUD 1.9851
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TLP2748(E(T


High Speed Optocouplers
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Toshiba 2
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AUD 1.3122
Multiples of: 1

CNY17-2-L


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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Lite-On 0
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AUD 0.19
Multiples of: 1

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