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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LTV-214B


3.75kV 50mA 200mV@1mA,20mA 1 1.4V AC,DC SSOP-4 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 : 4767
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USD 0.0765

Multiples of: 5

VOM618A-8X001T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out CTR 130-260% 1mA 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 : 4765
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USD 0.1386

Multiples of: 1

TLP291(V4GRTP,SE


Transistor Output Optocouplers GaAs Infrared and Photo-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.

Toshiba Availability : 4751
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USD 0.2694

Multiples of: 1

HCPL-817-30BE


Transistor Output Optocouplers 5000 Vrms 50mA
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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 : 4746
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USD 0.3248

Multiples of: 1

EL3H7CTA-VG


Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SSOP T/R
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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 : 4738
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USD 0.1554

Multiples of: 1

VO615A-9X006


Transistor Output Optocouplers H.Temp Phototrnstr 200-400% 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 : 4722
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USD 0.1188

Multiples of: 1

AT816C-FEH-D


150mA 5kV 400mV@1mA,1mA 1 6V 1.4V DC DIP-4 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 : 4714
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USD 0.0315

Multiples of: 10

TLP293(GRH-TPL,E(T


SOIC-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.

Toshiba Availability : 4711
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USD 0.317

Multiples of: 1

CYTLP2362(TPD2)


SOP-5 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.

OCIC Availability : 4709
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USD 0.3606

Multiples of: 1

LTV-816S-TP-C


DIP-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.

Lite-On Availability : 4704
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USD 0.0387

Multiples of: 10

PS2561L1-1-A


Transistor Output Optocouplers Hi-Iso Photo 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 : 4695
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USD 0.2461

Multiples of: 1

FOD2741AS


Transistor Output Optocouplers Error amplifier 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 : 4667
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USD 0.7491

Multiples of: 1

MOC3022M


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 : 4616
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USD 0.1617

Multiples of: 1

FODM3053R2V_NF098


Triac & SCR Output Optocouplers 600V RANDOM PHASE TRIAC OUTPUT
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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 : 4566
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USD 0.561

Multiples of: 1

APV1121S


Photodiode Output Optocouplers 2500VAC 8.7V 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.

Panasonic Availability : 4132
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USD 1.01

Multiples of: 100

HCPL-817-56BE


Transistor Output Optocouplers 5000 Vrms 50mA
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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 : 3866
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USD 0.2104

Multiples of: 1

PS2561D-1Y-A


Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP Magazine
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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.

Renesas Availability : 3791
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USD 0.2783

Multiples of: 1

MOC3083M


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.

ON Semiconductor Availability : 1193
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USD 0.4171

Multiples of: 50

EL816S1(C)(TU)-F


Optocouplers SMD-4 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 : 0
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USD 0.0379

Multiples of: 10

VOS615A-4X001T


Transistor Output Optocouplers Phototransistor 160-320% CTR 10MAVDE
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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 0.1663

Multiples of: 1

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