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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4N35


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 : 11133
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USD 0.2354

Multiples of: 1

TLP719F(D4-TP,F)


SOIC-6 Optocouplers - Logic 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.

Toshiba Availability : 3238
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USD 0.7314

Multiples of: 1

LTV-8141S


Transistor Output Optocouplers Optocoupler AC 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.

Lite-On Availability : 3235
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USD 0.2386

Multiples of: 1

MOC3020M


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 : 3234
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USD 0.1035

Multiples of: 5

TCET1203


Transistor Output Optocouplers Phototransistor Out Single 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 : 3219
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USD 0.1727

Multiples of: 1

FOD8173S


Transistor Output Optocouplers Opto Phototransistor Output SM-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.

ON Semiconductor Availability : 3212
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USD 0.1561

Multiples of: 1

FODM217A


Transistor Output Optocouplers 4 PIN TRANSISTOR OUTPUT MFP
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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 : 3200
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USD 0.3528

Multiples of: 1

TLP127GB-S


SOP-4 Optocouplers - Phototransistor 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 : 3191
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USD 0.1203

Multiples of: 5

FOD814300


Transistor Output Optocouplers OPTO_LIGHTING
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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 : 3184
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USD 0.1715

Multiples of: 1

H11D1


Transistor Output Optocouplers HV 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.

Vishay Availability : 3172
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USD 0.4508

Multiples of: 1

MOC3082M


1 5000V 100mA 60mA 800V 600V/us 1.5V Internal oscillator included Two-way thyristor -55℃~+100℃ 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 : 3154
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USD 0.1894

Multiples of: 2

AT3053-CuH-DE


100mA 60mA 1.23V Two-way thyristor DIP-6 Triac, SCR 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 : 3152
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USD 0.0995

Multiples of: 5

AT3051-CuH-DE


100mA 60mA 1.23V Two-way thyristor DIP-6 Triac, SCR 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 : 3152
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USD 0.1089

Multiples of: 5

AT3042-CuH-DE


100mA 60mA 400V 1.5V Two-way thyristor DIP-6 Triac, SCR 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 : 3152
Ship by Fri. 14 Nov to Thu. 20 Nov Calender.png

USD 0.1261

Multiples of: 5

H11G1TVM


Fairchild Semiconductor Transistor Output Optocouplers Hi Volt Photodarling
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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 : 2643
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USD 0.3311

Multiples of: 1

VO615A-8X017T


Transistor Output Optocouplers Optocoupler SMD4
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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 : 2427
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USD 0.1089

Multiples of: 1

VOS615A-3X001T


Transistor Output Optocouplers CTR 100-200% 10MA
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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 : 2266
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USD 0.1562

Multiples of: 1

PC817X2NIP1B


Transistor Output Optocouplers Photocoupler
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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.

Sharp Availability : 2242
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USD 0.1859

Multiples of: 1

SFH6206-1


Transistor Output Optocouplers Phototransistor Out Single CTR 40-125%
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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 : 315
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USD 0.2981

Multiples of: 1

VO615A-3X009T


Transistor Output Optocouplers H.Temp Phototrnstr 100-200% CTR
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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 : 0
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USD 0.1074

Multiples of: 1

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