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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HCPL-3150-300E


Logic Output Opto-couplers 0.5A IGBT Gate Drive
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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 : 406
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USD 1.75

Multiples of: 1

FOD8320R2


Logic Output Opto-couplers Low Power Two-Input Logic Gate TinyLogic
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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 : 405
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USD 2.9555

Multiples of: 1

VO617A-X018T


Transistor Output Optocouplers CPLR
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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 : 404
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USD 0.2827

Multiples of: 1

CPC1302GSTR


Transistor Output Optocouplers Dual Optocoupler High-Voltage
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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 : 403
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USD 1.529

Multiples of: 1

HCNW2601-500E


High Speed Optocouplers 10MBd 1Ch 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 : 403
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USD 2.2963

Multiples of: 1

H11B1SM


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 : 401
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USD 0.2363

Multiples of: 1

TLP5214A(D4-TP,E


Logic Output Optocouplers Photocoupler 35V 3.8mA 5000Vrms
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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 : 401
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USD 3.6808

Multiples of: 1

CNY17-1X009


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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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 : 397
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USD 0.2288

Multiples of: 1

H11G2SR2VM


Fairchild Semiconductor Transistor Output Optocouplers High Voltage Photodarlington 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 : 396
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USD 0.3069

Multiples of: 1

RV1S9353ACCSP-120V#SC0


Optically Isolated Amplifiers Opto Delta-Sigma Mod 13.8b 2mV 10MHz 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.

Renesas Availability : 396
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USD 7.6574

Multiples of: 1

PS8501-AX


CEL High Speed Optocouplers SGL Tr DC 1Mbps HI CMMR
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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 : 394
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USD 1.5678

Multiples of: 1

EL825


Transistor Output Optocouplers Photo Darlington Thru-Hole
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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 : 392
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USD 0.3164

Multiples of: 1

FOD817DS


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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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 : 390
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USD 0.2436

Multiples of: 1

6N135


High Speed Optocouplers HS 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.

Vishay Availability : 389
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USD 0.602

Multiples of: 1

6N135-300E


High Speed Optocouplers 1 Mb/s 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 : 388
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USD 0.868

Multiples of: 1

OR-357B-S-TP-G


80V 5000V 50mA 0.1V@1mA,20mA 1 6V 1.2V DC SOP-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.

Orient Availability : 388
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USD 0.0304

Multiples of: 10

LTV-817M-B


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.

Lite-On Availability : 388
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USD 0.0404

Multiples of: 10

VOL628A-3T


Transistor Output Optocouplers AC Input, Phtotrnstr 100-200% 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 : 388
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USD 0.2211

Multiples of: 1

MOC3061SR2VM


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin600V Optocoupler Zero Cross Triac Dr
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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 : 388
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USD 0.3931

Multiples of: 1

CNY75GC


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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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 : 386
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USD 0.2212

Multiples of: 1

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