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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MOC3061D


60mA 600V 1.3V Two-way thyristor DIP 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.

GUOXIN JIAPIN SEMICONDUCTOR Availability : 3089
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USD 0.1412

Multiples of: 5

SFH615A-1


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 : 3088
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USD 0.1492

Multiples of: 1

VO615A-8X016


Transistor Output Optocouplers Optcplr 130-260% CTR 5mA DIP-4
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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 : 3079
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USD 0.1074

Multiples of: 1

MOC3063D


60mA 600V 1.3V Two-way thyristor DIP 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.

GUOXIN JIAPIN SEMICONDUCTOR Availability : 3079
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USD 0.1504

Multiples of: 5

4N36SR2M


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 : 3071
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USD 0.2045

Multiples of: 1

MOC3051D


60mA 600V 1.18V Two-way thyristor DIP 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.

GUOXIN JIAPIN SEMICONDUCTOR Availability : 3060
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USD 0.0904

Multiples of: 5

PS2562L-1-A


Transistor Output Optocouplers Hi-Iso Darling 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 : 3060
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USD 0.4807

Multiples of: 1

ELS3120P(TA)-VG


SOP-6-6.8mm 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.

Everlight Availability : 3040
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USD 0.6209

Multiples of: 1

MOC3023D


60mA 400V 1.15V Two-way thyristor DIP 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.

GUOXIN JIAPIN SEMICONDUCTOR Availability : 3036
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USD 0.106

Multiples of: 5

MOC3081M


100mA 60mA 800V 1.5V 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 : 3036
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USD 0.1847

Multiples of: 5

HCPL-788J-500E


Optically Isolated Amplifiers 4.5 - 5.5 SV
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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 : 3036
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USD 2.6531

Multiples of: 1

CNY17F-4M


Transistor Output Optocouplers HCEV, 160%, 5KV
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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 : 3034
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USD 0.1221

Multiples of: 1

SFH617A-4X001


Transistor Output Optocouplers Phototransistor Out Single CTR>160-320%
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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 : 3031
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USD 0.3465

Multiples of: 1

SFH6106-4


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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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 : 2898
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USD 0.2695

Multiples of: 1

HCPL-0531-500E


High Speed Optocouplers 1MBd 2Ch 16mA
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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 : 2871
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USD 0.9558

Multiples of: 1

TCMT1113


Transistor Output Optocouplers Phototransistor 100-200%CTR 10mA 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.

Vishay Availability : 2621
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USD 0.187

Multiples of: 1

VO618A


Transistor Output Optocouplers Phototransistor Out CTR 50-600%
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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 : 2257
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USD 0.1089

Multiples of: 1

HCPL-7800A-500E


Operational Amplifiers Isolation 1 4.5V ~ 5.5V 100kHz (-3dB) SMD-8_6.3mm 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.

Broadcom Availability : 1908
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USD 2.3609

Multiples of: 1

Hot FOD8342TR2


Logic Output Opto-couplers 3.0A, HighSpeed Gate Drive Optocoupler
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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 : 1541
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USD 0.5665

Multiples of: 1

MOC3052M


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 : 651
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USD 0.2475

Multiples of: 1

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