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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FOD050LR2


Fairchild Semiconductor High Speed Optocouplers 1Mbits HS Single Trans Output 3.3V
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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 : 2272
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USD 0.6237

Multiples of: 1

PS2562L1-1-A


Transistor Output Optocouplers Optocoupler 4-pin 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.

Renesas Availability : 2271
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USD 0.4871

Multiples of: 1

ILQ621GB-X017T


Transistor Output Optocouplers Phototransistor Out Quad 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 : 2271
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USD 1.573

Multiples of: 1

TLP290-4(TP,E


Toshiba Transistor Output Optocouplers X36 PBF Transistor Couplr ACInput 110C
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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 : 2270
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USD 0.6207

Multiples of: 1

MOC3063M


100mA 60mA 600V 1.3V 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 : 2269
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USD 0.1034

Multiples of: 5

PS2535-1-A


Transistor Output Optocouplers 4pin Darlington DC Coupler
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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 : 2269
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USD 0.8867

Multiples of: 1

VOS615A-3X001T


Transistor Output Optocouplers CTR 100-200% 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.

Vishay Availability : 2266
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USD 0.1562

Multiples of: 1

SFH615A-2X006


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR > 63-125%
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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 : 2264
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USD 0.2827

Multiples of: 1

FOD8314T


Logic Output Opto-couplers 1.0A Output Gate Driver 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 : 2263
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USD 0.775

Multiples of: 1

PC357D


3.75kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC SOP-4-208mil-2.54mm 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 : 2260
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USD 0.0358

Multiples of: 10

VO618A


Transistor Output Optocouplers Phototransistor Out CTR 50-600%
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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 : 2257
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USD 0.1089

Multiples of: 1

PS2705-1-F3-A


Transistor Output Optocouplers OPTOCOUPLER 4-PIN SOP
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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 : 2255
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USD 0.2392

Multiples of: 5

TLP185(GRH-TL,SE


Toshiba Transistor Output Optocouplers X36 PBF Trans Opto couplr 110C3750Vrms
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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 : 2250
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USD 0.1727

Multiples of: 5

SFH610A-5


Transistor Output Optocouplers H. Relblty 5300 Vrms 250-500% 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 : 2249
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USD 0.3897

Multiples of: 1

VOM618A-1X001T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out CTR 40-80% 1mA 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 : 2247
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USD 0.1485

Multiples of: 1

KMOC3052


Triac Optocouplers DIP-5 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 : 2247
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USD 0.171

Multiples of: 5

VO2631


High Speed Optocouplers 10Mbd Open Collector Dual 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 : 2247
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USD 1.32

Multiples of: 1

PC817X2NIP1B


Transistor Output Optocouplers Photocoupler
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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 : 2242
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USD 0.1859

Multiples of: 1

MOC3041VM


Triac & SCR Output Optocouplers 6Pin400V 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 : 2242
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USD 0.3784

Multiples of: 1

4N25SR2VM


Optocoupler; SMD; Channels:1; Out: transistor; 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 : 2240
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USD 0.2123

Multiples of: 1

First...8687888990...

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