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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Hot MOC3061M


Optotriac; 5.3kV; Uout:600V; zero voltage crossing driver; DIP6
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ON Semiconductor Availability : 3304
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USD 0.3062

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LTV-814


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:35V
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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 : 591
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USD 0.061

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LDA203S


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 : 202
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USD 0.966

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PS2502-4-A


Optocoupler DC-IN 4-CH Darlington DC-OUT 16-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 : 202
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USD 2.17

Multiples of: 1

MOC3052TVM


Triac & SCR Output Optocouplers 6Pin 600V Optocoupl Rand Phs Triac Drvr
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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 : 201
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USD 0.3458

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TLP5214(D4.E(O


Optocoupler; SMD; Ch: 1; Uinsul: 5kV; SO16L; Urmax: 800mV
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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 : 200
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USD 5.306

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HCPL-0302-000E


Logic Output Opto-couplers 8MBd 1Ch 0.5mA
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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.

Broadcom Availability : 196
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USD 1.246

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SFH600-2X007


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay Availability : 195
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USD 0.3465

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CNY17F-3X016


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay Availability : 194
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USD 0.2563

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FOD8314TR2


Logic Output Opto-couplers 1.0A Output Gate Driver Optocoupler
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ON Semiconductor Availability : 194
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USD 0.6294

Multiples of: 1

HPS2501-S


SMD-4P Transistor Output Optocoupler ROHS
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HXY MOS Availability : 194
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USD 0.0595

Multiples of: 5

EL452


3.75kV 1.5V@100mA,20mA 1 6V 1.2V DC SOP-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 : 194
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USD 0.1389

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PC3H7DJ0001H


Transistor Output Optocouplers Photocoupler
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Sharp Availability : 194
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USD 0.2145

Multiples of: 5

TLP621-2X


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5kV; Uce:55V
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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 : 194
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USD 0.4121

Multiples of: 1

VOT8024AB-T2


Triac & SCR Output Optocouplers PhotoTRIAC 800V ZC SMD4 180 deg
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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 : 194
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USD 0.4411

Multiples of: 1

LTV-8241S


Transistor Output Optocouplers Optocoupler AC in 2-CHNL
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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 : 194
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USD 0.457

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ACPL-P480-500E


Logic Output Opto-couplers 5MBd 3750Vrms
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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 : 194
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USD 0.6417

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TLP293-4(LGB,E(T


SO-16 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba Availability : 194
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USD 1.1765

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HCPL-3140-560E


Optocoupler Logic-Out Push-Pull DC-IN 1-CH 8-Pin PDIP SMD T/R
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Broadcom Availability : 194
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USD 1.7593

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HCPL-2531-300E


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 : 194
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USD 1.9351

Multiples of: 1

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