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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Image  Information Image Stock Code(▲▼)Description
Manufacturer
Global Stock ⓘ (▲▼)Price(USD) 

(Ex. GST)(▲▼)		Enter Qty
CNY17-3


CNY17-3 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.

Vishay Availability : 3414
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USD 0.219

Multiples of: 1

4N35-500E


Transistor Output Optocouplers 3550 Vrms 60mA
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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 : 2910
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USD 0.7212

Multiples of: 1

TLP621GRTP1FT


Transistor Output Optocouplers TR CTR=100-300%
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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 : 1940
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USD 0.2875

Multiples of: 1

PC357B


PC357N2TJ00F OPTO COUPLER SMD
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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.

Sharp Availability : 1173
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USD 0.3402

Multiples of: 1

MOC3063-SMD


MOC3063-M DIP SMD 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.

Lite-On Availability : 970
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USD 0.5083

Multiples of: 1

PS2501L-1-A


Transistor Output Optocouplers Hi-Iso Photo 1-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.

CEL Availability : 945
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USD 0.2041

Multiples of: 1

4N25/LT


4N25/LT OPTOCOUPLER ISOLATOR 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.

Vishay Availability : 577
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USD 0.3287

Multiples of: 1

LTV-4N25


4N25 LITEON OPTOCOUPLER ISOLATOR 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.

Vishay Availability : 441
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USD 0.1871

Multiples of: 1

TIL195


TIL195 OPTO AC INPUT T/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.

Texas Instruments Availability : 417
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USD 0.9488

Multiples of: 1

TLP3052


TLP3052 COUPLER TRIAC T/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.

Toshiba Availability : 334
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USD 0.5526

Multiples of: 1

H11F2


H11F2 OPTOCOUPLER T/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.

ON Semiconductor Availability : 329
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USD 2.3857

Multiples of: 1

HCPL-060L


HCPL-060L #1002 PCNCCNPOC#90
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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 : 291
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USD 1.2882

Multiples of: 1

PC852


PC852 OPTOCOUPLER DIP4
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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.

Sharp Availability : 291
Ships to you
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USD 1.46

Multiples of: 1

H11AG1


H11AG1 WELWYN - SPECIAL
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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 : 237
Ships to you
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USD 0.8748

Multiples of: 1

MOC211


MOC211 SO-8 OPTOCOUPLER SMD
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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 : 225
Ships to you
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USD 0.6989

Multiples of: 1

715202CB


H11AV2A CTR 50 6PIN 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.

ON Semiconductor Availability : 194
Ships to you
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USD 0.2245

Multiples of: 1

420303BB


TLP627-4 QUAD CHANNEL 16 PIN
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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 : 194
Ships to you
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USD 1.988

Multiples of: 1

PC3H7J00000F


Sharp Microelectronics Transistor Output Optocouplers Photocoupler DC 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.

Sharp Availability : 189
Ships to you
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USD 0.2473

Multiples of: 1

TLP627-2(T)


TLP627-2(T) SEMICONDUCTORS
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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 : 184
Ships to you
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USD 0.4865

Multiples of: 1

H11A817A


H11A817A 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.

ON Semiconductor Availability : 145
Ships to you
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USD 0.1589

Multiples of: 1

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