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 4N26M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:7.5kV; 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 : 6472
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USD 0.1581

Multiples of: 1

4N35-X000


Transistor Output Optocouplers Phototransistor Out Single CTR >100%
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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 : 1298
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USD 0.242

Multiples of: 1

FODM1008


Transistor Output Optocouplers TRANSISTOR 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 : 1298
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USD 0.2716

Multiples of: 1

TLP2368(TPL,E


High Speed Optocouplers Photo-IC 2.7 to 5.5V 125degC 3750 Vrms
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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 : 1294
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USD 0.4082

Multiples of: 1

CNY171SVM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler Hi Bvceo 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 : 1293
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USD 0.198

Multiples of: 1

IL252-X007T


Transistor Output Optocouplers Phototransistor Out AC-In Sing CTR>100%
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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 : 1288
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USD 0.7288

Multiples of: 1

4N33SM


Optocoupler; SMD; Channels:1; Out: Darlington; Uinsul:7.5kV
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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.

ON Semiconductor Availability : 1282
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USD 0.2706

Multiples of: 1

MOC3020M


100mA 60mA 400V 1.15V Two-way thyristor DIP-6 Triac, SCR 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 : 1280
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USD 0.1128

Multiples of: 5

LOC111S


High Linearity Optocouplers Linear 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.

IXYS Availability : 1280
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USD 1.617

Multiples of: 1

FODM1008R2


Transistor Output Optocouplers PHOTOTRANSISTOR 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 : 1278
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USD 0.2079

Multiples of: 1

ACPL-W343-500E


Logic Output Opto-couplers Gate Drive Opto
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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 : 1277
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USD 0.7581

Multiples of: 1

Hot SFH6755T


Logic Output Optoisolator 10MBd Open Drain 4000Vrms 2 Channel 100V/µs CMTI 8-SOIC
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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 : 1276
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USD 1.054

Multiples of: 1

EL814S1(TU)


Transistor Output Optocouplers Optocoupler Transistor AC Input
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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 : 1275
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USD 0.2072

Multiples of: 1

TLP109(IGM-TPR,E


High Speed Optocouplers Photo-IC -0.5 to 30V 3750 Vrms 800ns
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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 : 1275
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USD 0.759

Multiples of: 1

6N136VM


High Speed Optocouplers High Speed Transistor Optocouplers
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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 : 1275
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USD 1.1017

Multiples of: 1

TLP5214(TP,E


Logic Output Opto-couplers Photocoupler, Photo IC 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.

Toshiba Availability : 1275
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USD 1.7924

Multiples of: 1

HCPL0534


High Speed Optocouplers 1 Mbit/s HSDC Transistor - 15V/us
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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 : 1274
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USD 1.0662

Multiples of: 1

K10101D


Optocouplers DIP-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.

Cosmo Availability : 1270
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USD 0.037

Multiples of: 10

FOD0721


Logic Output Optoisolator 25Mbps Push-Pull, Totem Pole 3750Vrms 1 Channel 20kV/µs CMTI 8-SOIC
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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 : 1268
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USD 2.2195

Multiples of: 1

HCPL-063N-500E


Optocoupler Logic-Out Open Collector DC-IN 2-CH 8-Pin SOIC 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.

Broadcom Availability : 1267
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USD 2.816

Multiples of: 1

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