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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CNY174SR2M


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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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 : 1616
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USD 0.2189

Multiples of: 1

IL420-X001


Triac & SCR Output Optocouplers Phototriac Output Low Input Current
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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.

Vishay Availability : 1616
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USD 1.661

Multiples of: 1

CNY17F-2X001


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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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.

Vishay Availability : 1612
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USD 0.2464

Multiples of: 1

4N37


Transistor Output Optocouplers Phototransistor Out
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Vishay Availability : 1609
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USD 0.1804

Multiples of: 1

H11AA1-X006


Transistor Output Optocouplers Bi-Directional Input
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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.

Vishay Availability : 1608
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USD 0.5187

Multiples of: 1

FOD8342V


Logic Output Optocouplers SO6 2.5A GD
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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 : 1608
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USD 0.5654

Multiples of: 1

H11L2M


Logic Output Opto-couplers Optocoupler LC Schmitt Trigger
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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 : 1607
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USD 0.3388

Multiples of: 1

ACPL-330J-500E


Logic Output Optocouplers 1.5A IGBT Gate Drive
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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.

Broadcom Availability : 1607
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USD 2.0365

Multiples of: 1

TLP185(SE(T


Transistor Output Optocouplers
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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.

Toshiba Availability : 1606
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USD 0.1807

Multiples of: 1

SFH617A-2X017T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR > 63-125%
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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.

Vishay Availability : 1605
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USD 0.3828

Multiples of: 1

VO615A-6X001


Vishay Semiconductors Transistor Output Optocouplers Optocuopler DIP4
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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.

Vishay Availability : 1604
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USD 0.1068

Multiples of: 1

MOC3052S


Optotriac; 5kV; Uout:600V; without zero voltage crossing driver
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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.

Lite-On Availability : 1601
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USD 0.2475

Multiples of: 1

FOD3180SDV


Logic Output Opto-couplers 2A Out Cur Hi Spd IGBT MOSFET OPTO
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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 : 1597
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USD 1.342

Multiples of: 1

EL852S


5kV 1.5V@100mA,20mA 1 6V 1.2V DC SMD-4P Transistor, Photovoltaic 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 Availability : 1595
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USD 0.1482

Multiples of: 5

H11A1M


Optocoupler; THT; Channels:1; Out: transistor; 4.17kV; DIP6
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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 : 1594
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USD 0.1287

Multiples of: 1

PS2705A-1-A


Transistor Output Optocouplers Hi-Iso AC Input 1-Ch
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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.

CEL Availability : 1584
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USD 0.8437

Multiples of: 1

TCET1100


Transistor Output Optocouplers Phototransistor Out
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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.

Vishay Availability : 1583
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USD 0.1628

Multiples of: 1

MOC8204SM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:4.17kV
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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 : 1583
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USD 0.3487

Multiples of: 1

H11D1-X009


Transistor Output Optocouplers Phototransistor Out Single CTR > 20%
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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.

Vishay Availability : 1581
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USD 0.6897

Multiples of: 1

MOC3082SR2M


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin800V Optocoupler Zero Cross Triac Dr
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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 : 1580
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USD 0.5786

Multiples of: 1

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