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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NTE3049


Optocoupler Triac AC-OUT 1-CH 250VDRM 6-Pin PDIP
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NTE 9
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AUD 5.691
Multiples of: 1

NTE3089


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP
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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.

NTE 9
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AUD 6.405
Multiples of: 1

4N35S


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.55kV
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Lite-On 8
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AUD 0.1697
Multiples of: 1

VO617A-1X017T


Transistor Output Optocouplers CPLR
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Vishay 8
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AUD 0.258
Multiples of: 1

MOC3033M


Triac & SCR Output Optocouplers DIP-6 ZERO TRIAC
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ON Semiconductor 8
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AUD 0.5123
Multiples of: 1

14230614300


Triac & SCR Output Optocouplers WL-OCTR Optocoupler Triac ZC / WE30x-4L DIP 4 SL-Type 600V 15mA ZC
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Wurth 8
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AUD 0.594
Multiples of: 1

CNY17F-4M


Transistor Output Optocouplers HCEV, 160%, 5KV
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Lite-On 7
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AUD 0.2231
Multiples of: 1

HCPL-817-W6DE


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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Broadcom 7
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AUD 0.324
Multiples of: 1

VOT8125AB-T


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm SMD6; 5000V Vrms
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Vishay 7
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AUD 1.042
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

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