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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LTV-817S-TA1-B


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:35V
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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 : 71789
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USD 0.0325

Multiples of: 10

PC817XNNIP1B


Transistor Output Optocouplers OPTOISOLATOR 5KV TRANS SMD, Optoisolator Transistor Output 1 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.

Sharp Availability : 34510
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USD 0.1826

Multiples of: 1

EL3H7(D)(TA)-G


Transistor Output Optocouplers 300-600CTR 3750Vrms -55 to +110 Op Temp
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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 : 30962
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USD 0.045

Multiples of: 10

MOC3023SM


Optotriac; 5kV; Uout:400V; without zero voltage crossing 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.

ON Semiconductor Availability : 28688
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USD 0.2317

Multiples of: 1000

SFH6156-3T0


Transistor Output Optocouplers H. Relblty 5300 Vrms 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 : 28498
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USD 0.3065

Multiples of: 1

PS2561L-1-V-F3-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.

Renesas Availability : 28458
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USD 0.3428

Multiples of: 1

TLP2761(TP,E(T


SOP-6 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.

Toshiba Availability : 27645
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USD 0.502

Multiples of: 1

PC817C-S


SOP-4-2.54mm 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.

Youtai Availability : 27480
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USD 0.0231

Multiples of: 10

6N136M


High Speed Optocouplers High Speed 1MBd Transistor Output
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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 : 26516
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USD 0.2872

Multiples of: 1

TLX9906(TPL,F


Photodiode Output Optocouplers PV Coupler Automotive; AEC-Q101
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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 : 26180
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USD 2.0596

Multiples of: 1

TLP385(GB-TPL,E


Transistor Output Optocouplers GaAs Infrared and Photo-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.

Toshiba Availability : 25388
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USD 0.1635

Multiples of: 5

PS2702-1-F3-A


Transistor Output Optocouplers Hi-Iso Darling 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 : 24842
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USD 0.3201

Multiples of: 1

IL208AT


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 : 24463
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USD 0.352

Multiples of: 1

SFH615A-3X007T


Vishay Semiconductors 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 : 24360
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USD 0.2919

Multiples of: 1

TLP293-4(GB-TP,E(T


Optocouplers SO-16 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.

Toshiba Availability : 24311
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USD 0.4193

Multiples of: 1

FODM3063R2


Triac & SCR Output Optocouplers 600V ZERO CROS 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 : 24250
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USD 0.3437

Multiples of: 2500

K10104DTLD


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.

Cosmo Availability : 24123
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USD 0.0326

Multiples of: 10

PC355NJ0000F


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 : 20578
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USD 0.1652

Multiples of: 5

TCMT1100


Transistor Output Optocouplers Phototransistor 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.

Vishay Availability : 17452
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USD 0.1771

Multiples of: 1

TLP109(TPL,E


High Speed Optocouplers Pwr Supply 30V 125 degC 3750 Vrms
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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 : 7024
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USD 0.2855

Multiples of: 1

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