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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MOC3021S-TA1


Optotriac; 5kV; Uout:400V; 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 : 32024
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USD 0.0847

Multiples of: 5

VOM617AT


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SOP4
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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 : 23721
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USD 0.1408

Multiples of: 1

TLP2704(TP,E(T


Optocouplers SO-6L 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.

Toshiba Availability : 15900
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USD 0.7712

Multiples of: 1

HMHA2801B


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler 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 : 15733
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USD 0.1914

Multiples of: 1

TLP785(D4-BLL,F


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 : 15558
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USD 0.1317

Multiples of: 5

VOM617A-3T


Transistor Output Optocouplers Phototransistor Out CTR 100-200% 5mA
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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 : 15364
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USD 0.1386

Multiples of: 1

VO4258H-X007T


Triac & SCR Output Optocouplers Non Zero Cross Photo Triac 800V 2mA
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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 : 15196
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USD 1.955

Multiples of: 1

FOD8012A


High Speed Optocouplers Bi-Direct High Speed Logic Gate Optocoupl
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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 : 15080
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USD 3.4263

Multiples of: 3000

FODM8801BR2


Transistor Output Optocouplers HighTem PhotoXsistor
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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 : 14932
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USD 0.5951

Multiples of: 1

TLP293(V4-GHTL.E(T


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV; SO4
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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 : 14855
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USD 0.2604

Multiples of: 1

MOCD213M


Optocoupler; SMD; Channels:2; Out: transistor; 2.5kV; SO8
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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 : 14739
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USD 0.275

Multiples of: 1

MOC3023M


100mA 60mA 400V 1.18V Two-way thyristor DIP-6 Optocouplers - Thyristor Signal Output 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.

Youtai Availability : 14598
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USD 0.0936

Multiples of: 5

HCPL-181-00DE


Optoisolator Transistor Output 3750Vrms 1 Channel 4-Mini-Flat
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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 : 13856
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USD 0.1913

Multiples of: 5

TCMT1107


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 : 13332
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USD 0.1749

Multiples of: 1

VO618A-3


Transistor Output Optocouplers Phototransistor Out CTR 100-200%
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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 : 10931
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USD 0.1067

Multiples of: 1

SFH6156-1T


Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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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 : 10670
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USD 0.1474

Multiples of: 1000

FOD814ASD


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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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 : 9700
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USD 0.1297

Multiples of: 1000

MOC3052S-TA1


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 : 4568
Ship by Thu. 06 Nov to Wed. 12 Nov Calender.png

USD 0.1155

Multiples of: 5

MOC3063


Optotriac; 5kV; Uout:600V; zero voltage crossing driver; 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.

Lite-On Availability : 4413
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USD 0.1227

Multiples of: 5

H11L2SR2M


Logic Output Optocouplers Optocoupler 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 : 970
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USD 0.3081

Multiples of: 1000

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