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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H11AV1SM


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 : 1261
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USD 0.2156

Multiples of: 1

SFH6316T


High Speed Optocouplers 1Mbd Open Collector Single Channel
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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 : 1261
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USD 0.7294

Multiples of: 1

MOC3051M


100mA 60mA 600V 1.18V 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 : 1261
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USD 0.092

Multiples of: 5

CNY17-3M


Optocoupler; THT; 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.

Lite-On Availability : 1261
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USD 0.148

Multiples of: 1

AT3H74-CuH-S


3.75kV 50mA 6V 1.2V DC SSOP-16 Transistor, Photovoltaic 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 : 1261
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USD 0.2846

Multiples of: 1

H11AG1M


Transistor Output Optocouplers 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 : 1261
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USD 0.3441

Multiples of: 1

PS2562-1-V-A


Transistor Output Optocouplers Darlington Tr DC BSI COUPLR
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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 : 1261
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USD 0.7208

Multiples of: 1

HCPL-2611-500E


Logic Output Optoisolator 10MBd Open Collector, Schottky Clamped 3750Vrms 1 Channel 15kV/µs CMTI 8-DIP Gull Wing
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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 : 1260
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USD 0.8029

Multiples of: 1

ILQ615-4


Transistor Output Optocouplers Phototransistor Out Quad 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 : 1260
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USD 1.05

Multiples of: 1

CNY17F-3X017T


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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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 : 1257
Ship by Thu. 13 Nov to Mon. 17 Nov Calender.png

USD 0.2783

Multiples of: 1

H11AV1M


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 : 1251
Ship by Thu. 13 Nov to Mon. 17 Nov Calender.png

USD 0.2244

Multiples of: 1

AT6N139-CuH-D


60us 18V 10kV/us DC DIP-8 Logic 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 : 1250
Ship by Mon. 17 Nov to Fri. 21 Nov Calender.png

USD 0.2445

Multiples of: 1

SFH6345-X001


High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>30%
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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 : 1247
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USD 0.8611

Multiples of: 1

K30101B


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 : 1240
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USD 0.1331

Multiples of: 1

H11L3SR2VM


Logic Output Optocouplers 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 : 1238
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USD 0.3652

Multiples of: 1

LH1262CAC


MOSFET Output Optocouplers Dual Photovoltaic MOSFET Driver
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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 : 1238
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USD 1.0731

Multiples of: 1277

CNY17F-3X009T


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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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 : 1236
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USD 0.2563

Multiples of: 1

LTV-849


Transistor Output Optocouplers Optocplr Phototrans 4-CHNL
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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 : 1236
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USD 0.3597

Multiples of: 1

FODM3052_NF098


Optotriac; 3.75kV; triac; Mini-flat 4pin; Channels:1; 1kV/µs
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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 : 1234
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USD 0.6292

Multiples of: 1

Hot SFH610A-4


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 : 1142
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USD 0.245

Multiples of: 1

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