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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MOC3052SR2M


Triac & SCR Output Optocouplers 6Pin 600V Optocoupl Rand Phs Triac Drvr
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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 : 132890
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USD 0.278

Multiples of: 1000

ACPL-M60L-500E


Logic Output Optoisolator 15MBd Open Collector, Schottky Clamped 3750Vrms 1 Channel 10kV/µs CMTI 5-SO
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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 : 575
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USD 0.5744

Multiples of: 1

Hot SFH6916


Transistor Output Optocouplers Phototransistor Out Quad CTR 50-300%
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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.

Vishay Availability : 574
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USD 1.162

Multiples of: 1

MOC3020S


60mA 400V 1.15V Two-way thyristor SMD Optocouplers - Thyristor Signal 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.

GUOXIN JIAPIN SEMICONDUCTOR Availability : 572
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USD 0.0853

Multiples of: 5

4N30SR2M


Optoisolator Darlington with Base Output 4170Vrms 1 Channel 6-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 : 569
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USD 0.242

Multiples of: 1

IL4116-X007


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 : 569
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USD 1.863

Multiples of: 1

H11AV1AM


Transistor Output Optocouplers 0.4" 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 : 568
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USD 0.2156

Multiples of: 1

LCR-0202


Optocouplers Through Hole 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.

Senba Availability : 568
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USD 0.3716

Multiples of: 1

H11L3SM


Optocoupler; SMD; Channels:1; Out: Schmitt trigger; Gull wing 6
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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 : 567
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USD 0.5003

Multiples of: 1

SFH617A-2X019T


Transistor Output Optocouplers H. Relblty 5300 Vrms 63-125% CTR 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.

Vishay Availability : 563
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USD 0.3828

Multiples of: 1

LTV-4N25


Optocouplers DIP-6 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 : 562
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USD 0.0925

Multiples of: 5

TLP521-1XSM


Optocouplers SMD-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.

Isocom Availability : 562
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USD 0.1017

Multiples of: 5

FODM3022_NF098


Fairchild Semiconductor Triac & SCR Output Optocouplers 400V Random Phase Triac Driver 10mA
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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 : 562
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USD 0.7783

Multiples of: 1

HCPL-0453-000E


Optocoupler; THT; Channels:1; Out: transistor; 3.75kV; 1Mbps; DIP8
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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 : 561
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USD 1.246

Multiples of: 1

MOC3073M


Triac & SCR Output Optocouplers RAND PHASE TRIAC
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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 : 559
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USD 1.022

Multiples of: 1

SFH6136-X017


High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>15-19%
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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 : 558
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USD 0.6061

Multiples of: 1

VO615A-1X019T


Transistor Output Optocouplers H.Temp Phototrnstr 40-80 % CTR, 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.

Vishay Availability : 552
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USD 0.1089

Multiples of: 1

HCPL2531WV


Fairchild Semiconductor High Speed Optocouplers 1Mbits Optocoupler 2Ch HS Transistor
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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 : 552
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USD 1.0366

Multiples of: 1

TLP2355(E(T


High Speed 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.

Toshiba Availability : 550
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USD 0.6412

Multiples of: 1

LTV-817D


Transistor Output Optocouplers Optocoupler 50% 5kv 4Pin SMT
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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 : 533
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USD 0.0339

Multiples of: 10

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