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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HMHAA280R2


Transistor Output Optocouplers aCinput 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 : 16975
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USD 0.2625

Multiples of: 2500

MCT5210SM


Transistor Output Optocouplers Phototrans LoCurrent
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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 : 9700
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USD 0.3687

Multiples of: 1000

6N137


Optocouplers DIP-8 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.

Isocom Availability : 9700
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USD 0.4113

Multiples of: 50

6N139SM


Optocouplers SMD-8 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.

Isocom Availability : 9700
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USD 0.4284

Multiples of: 50

6N138SM


Optocouplers SMD-8 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.

Isocom Availability : 9700
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USD 0.4284

Multiples of: 50

6N136SM


Optocouplers SMT-8 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.

Isocom Availability : 9700
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USD 0.4284

Multiples of: 50

6N137SM


Optocoupler; SMD; Channels:1; Out: Schmitt trigger; Gull wing 8
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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 : 9700
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USD 0.4284

Multiples of: 50

6N138


Optocouplers DIP-8 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.

Isocom Availability : 9700
Ship by Fri. 14 Nov to Thu. 20 Nov Calender.png

USD 0.454

Multiples of: 50

6N139


Optocouplers DIP-8 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.

Isocom Availability : 9700
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USD 0.454

Multiples of: 50

6N135


Optoisolator Transistor with Base Output 5000Vrms 1 Channel 8-DIP
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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 : 9700
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USD 0.454

Multiples of: 50

2905023


Transistor Output Optocouplers PT-IQ-EX-L-PP
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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.

Phoenix Contact Availability : 9700
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USD 7.9348

Multiples of: 1

2905587


Plate for fixing the FLT-ISG-100-EX isolating spark gap to a flange, drill hole diameter of 18 mm. FLT-ISG-PL-18
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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.

Phoenix Contact Availability : 9700
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USD 12.6888

Multiples of: 1

2905588


Plate for fixing the FLT-ISG-100-EX isolating spark gap to a flange, drill hole diameter of 22 mm. FLT-ISG-PL-22
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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.

Phoenix Contact Availability : 9700
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USD 12.6888

Multiples of: 1

2950064


Photodiode Output Optocouplers EMG 22-DIO 7P
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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.

Phoenix Contact Availability : 9700
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USD 21.6169

Multiples of: 10

2905582


Bracket for fixing the FLT-ISG-100-EX isolating spark gap to a flange, drill hole diameter of 18 mm. FLT-ISG-BR-18
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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.

Phoenix Contact Availability : 9700
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USD 23.2709

Multiples of: 1

2905035


Transistor Output Optocouplers ST-OV2- 24DC/ 60DC/1
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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.

Phoenix Contact Availability : 9700
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USD 39.0836

Multiples of: 10

2905196


Transistor Output Optocouplers UM-D37M16RSC-24DC DOC300R
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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.

Phoenix Contact Availability : 9700
Ship by Mon. 08 Dec to Tue. 06 Jan Calender.png

USD 874.0116

Multiples of: 1

PS9821-2-F3-AX


High Speed Optocouplers 3.3V Digital OC HI CMRR Dual 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.

Renesas Availability : 8027
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USD 2.288

Multiples of: 1

H11L1SR2VM


Logic Output Opto-couplers Optocoupler 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 : 5820
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USD 0.3062

Multiples of: 1000

IL420-X007T


Triac & SCR Output Optocouplers Phototriac Output Low Input Current
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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 : 3370
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USD 1.562

Multiples of: 1

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