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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14230216301


Triac & SCR Output Optocouplers WL-OCTR Optocoupler Triac NZC / WE30x DIP 6 SL-Type 400V 15mA NZC
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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.

Wurth Availability : 873
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USD 0.6622

Multiples of: 1

RV1S2285ACCSP-10YC#SC0


Photocoupler with 8.2mm Creepage 5000Vrms 4-Pin SSOP Surface Mount
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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 : 873
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USD 0.782

Multiples of: 1

FOD3184SDV


Fairchild Semiconductor Logic Output Optocouplers 3A Out, Hi-Speed Gate Drvr Optocouplr
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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 : 873
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USD 1.309

Multiples of: 1

FOD3184TSV


Fairchild Semiconductor Logic Output Optocouplers 3A Out, Hi-Speed Gate Drvr Optocouplr
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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 : 872
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USD 1.43

Multiples of: 1

EL3H7(TA)-VG


Everlight Transistor Output Optocouplers 50-600CTR 3750Vrms -55 to 110 Op Temp
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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 : 870
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USD 0.1792

Multiples of: 1

IL4108-X009T


Vishay Semiconductors Triac & SCR Output Optocouplers Phototriac Output Zero Crossing
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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 : 870
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USD 0.9052

Multiples of: 1

H11A1SM


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 : 865
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USD 0.1991

Multiples of: 1

FOD260LSD


Fairchild Semiconductor High Speed Optocouplers 10 Mbits S-CH 3.3V LG Output Optocoup
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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 : 865
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USD 1.0549

Multiples of: 1

4N32TVM


Transistor Output Optocouplers Photodarlington
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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 : 862
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USD 0.2563

Multiples of: 1

FOD3150TV


Fairchild Semiconductor Logic Output Optocouplers DC-In 1-Ch Optocoupl Logic-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.

ON Semiconductor Availability : 862
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USD 0.8986

Multiples of: 1

APT1221A


Triac & SCR Output Optocouplers AC 600V 100mA Random Phototriac Coupler
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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 : 861
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USD 0.6292

Multiples of: 1

ACPL-7900-000E


Optically Isolated Amplifiers Precision Iso-Amp
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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 : 859
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USD 6.454

Multiples of: 1

GAQV1123S


2.5kV 8uA 1.4V SOP-4-175mil-2.54mm 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.

SUPSiC Availability : 858
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USD 0.4053

Multiples of: 1

PS2805C-1-F3-A


Transistor Output Optocouplers Optocoupler 4-pin SSOP
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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 : 858
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USD 0.1752

Multiples of: 5

VOT8121AD


Triac & SCR Output Optocouplers Optocplr, Phototriac uL, cUL, CQC 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 : 857
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USD 0.3355

Multiples of: 1

FOD4116TV


Fairchild Semiconductor Triac & SCR Output Optocouplers Zero-Cross Triac Out Snubberless VDE 600V
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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 : 857
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USD 2.5625

Multiples of: 1

H11D1-X009T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR > 20%
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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 : 853
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USD 0.7161

Multiples of: 1

TCET1100G


Transistor Output Optocouplers Phototransistor Out Single 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 : 851
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USD 0.1617

Multiples of: 1

MOC3163SM


Triac & SCR Output Optocouplers 6-Pin Optocoupler ZC Triac Driver 600V
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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 : 851
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USD 0.7249

Multiples of: 1

H11N1VM


High Speed Optocouplers Optocoupler LC Schmitt Trigger
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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 : 851
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USD 3.7548

Multiples of: 1

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