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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MOC3083X


Optotriac; 5.3kV; Uout:800V; 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.

Isocom Availability : 48485
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USD 0.4455

Multiples of: 65

4N27


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:1.5kV; 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 : 470
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USD 0.1078

Multiples of: 1

H11AA4VM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler SM-DIP6 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 : 470
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USD 0.2827

Multiples of: 1

ACPL-064L-500E


High Speed Optocouplers Optocouplers 10MBd
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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 : 469
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USD 1.3499

Multiples of: 1

4N37TVM


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 : 468
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USD 0.253

Multiples of: 1

TLP2348(E(T


Logic 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 : 468
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USD 0.7143

Multiples of: 1

LDA111S


IXYS Integrated Circuits Transistor Output Optocouplers Optocoupler Single-Transistor
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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.

IXYS Availability : 467
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USD 0.6182

Multiples of: 1

4N30


DIP-6 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.

Everlight Availability : 465
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USD 0.2381

Multiples of: 5

TLP5772(TP,E


Logic Output Optocouplers Gate Drive Coupler 10V 2.5A
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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 : 465
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USD 0.6063

Multiples of: 1

ISP621-4XSM


Optocoupler; SMD; Channels:4; Out: transistor; Uinsul:5.3kV
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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.

Isocom Availability : 465
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USD 0.7952

Multiples of: 1

TLP3475SRHA4(TPE


MOSFET Output Optocouplers Photorelay; Low CR; High Temp; 4-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.

Toshiba Availability : 465
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USD 13.608

Multiples of: 1

TCDT1103


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 : 464
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USD 0.1966

Multiples of: 1

LTP-1G4


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.

Letex Technology Availability : 463
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USD 0.5921

Multiples of: 1

SFH6186-2


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 : 461
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USD 0.2828

Multiples of: 1

MOC3023M


100mA 60mA 400V 1.18V 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 : 460
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USD 0.0886

Multiples of: 5

6N138M


4.5V~18V 1kV DC DIP-8 Logic 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 : 460
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USD 0.1714

Multiples of: 5

ISP814X


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5.3kV; 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.

Isocom Availability : 459
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USD 0.2291

Multiples of: 1

IL4108-X007T


Triac & SCR Output Optocouplers Phototriac, H. dV/dt Zero Crossing 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.

Vishay Availability : 459
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USD 2.004

Multiples of: 1

TLP3823F(TP4,F


MOSFET Output Optocouplers Photorelay 3.0A 100V 2500Vrms 720pF 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.

Toshiba Availability : 457
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USD 4.683

Multiples of: 1

EL3052S(TA)


60mA 600V 1.18V SMD-6P 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.

Everlight Availability : 455
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USD 0.1031

Multiples of: 5

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