About Optocouplers / Photocouplers

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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HCPL2601V


Fairchild Semiconductor High Speed Optocouplers 13 Mbit Optocoupler 1Ch HS Logic Gate
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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 Availability : 970
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USD 1.4919

Multiples of: 1

FOD410V


Fairchild Semiconductor Triac & SCR Output Optocouplers Zero-Cross Triac Out Snubberless, VDE
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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 Availability : 970
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USD 1.656

Multiples of: 1

FOD4108S


Triac & SCR Output Optocouplers Zero-Cross Triac Out Snubberless, 800V
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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 Availability : 970
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USD 1.705

Multiples of: 1

FOD4216


Triac & SCR Output Optocouplers 600V low triggr curr RANDOM PHASE TRIAC
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ON Semiconductor Availability : 970
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USD 1.804

Multiples of: 1

HCPL-2531-500E


Optoisolator Transistor Output 3750Vrms 2 Channel 8-DIP Gull Wing
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Broadcom Availability : 970
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USD 1.8051

Multiples of: 1

APV1122AX


Photodiode Output Optocouplers Driver 6-pin DIP SMD Driver 6-pin DIP SMD
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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.

Panasonic Availability : 970
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USD 1.8167

Multiples of: 1

FOD410TV


Fairchild Semiconductor Triac & SCR Output Optocouplers Zero-Cross Triac Out Snubberless VDE .4in
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ON Semiconductor Availability : 970
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USD 1.909

Multiples of: 1

FOD420TV


Fairchild Semiconductor Triac & SCR Output Optocouplers Zero-Cross Triac Snubberless
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ON Semiconductor Availability : 970
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USD 1.955

Multiples of: 1

FOD420SDV


Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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ON Semiconductor Availability : 970
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USD 2.04

Multiples of: 1

IL410-X019T


Vishay Semiconductors Triac & SCR Output Optocouplers Phototriac Output Zero Crossing
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Vishay Availability : 970
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USD 2.3746

Multiples of: 1

FOD4218TV


Fairchild Semiconductor Triac & SCR Output Optocouplers Zero-Cross Triac Snubberless
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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 Availability : 970
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USD 2.4725

Multiples of: 1

FOD8321


Logic Output Optocouplers 2.5A Out Gate Drive Optcplr; Optoplanar
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ON Semiconductor Availability : 970
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USD 2.93

Multiples of: 100

FOD8384R2V


Fairchild Semiconductor Logic Output Optocouplers
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ON Semiconductor Availability : 970
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USD 3.0206

Multiples of: 1

FOD8383R2


Fairchild Semiconductor Logic Output Optocouplers
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ON Semiconductor Availability : 970
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USD 3.1395

Multiples of: 1

FOD8316V


Logic Output Optocouplers 2.5A Out IGBT Drive Optcplr; DIN EN/IEC
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ON Semiconductor Availability : 970
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USD 3.1655

Multiples of: 1

FOD8321R2


Logic Output Optocouplers Dual 2A High-Speed Low-Side Gate Driver
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ON Semiconductor Availability : 970
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USD 3.2718

Multiples of: 1

FOD8333


Fairchild Semiconductor Logic Output Optocouplers
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ON Semiconductor Availability : 970
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USD 3.3287

Multiples of: 1

IL300-EF-X009T


High Linearity Optocouplers Single Linear High Gain Wide Bandwidth
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Vishay Availability : 970
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USD 3.589

Multiples of: 1

HCPL-2232-500E


High Speed Optocouplers 5MBd 2Ch 1.8mA
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Broadcom Availability : 970
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USD 3.6715

Multiples of: 1

FOD8318V


Logic Output Optocouplers 2.5A OUT PUSH-PULL
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ON Semiconductor Availability : 970
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USD 4.648

Multiples of: 1

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