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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FODM3053R2V_NF098


Triac & SCR Output Optocouplers 600V RANDOM PHASE TRIAC OUTPUT
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ON Semiconductor 4563
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AUD 0.8905
Multiples of: 1

FOD420SD


Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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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 4548
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AUD 3.4571
Multiples of: 1

LTV-817S-C


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 4546
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AUD 0.1713
Multiples of: 1

PS2561L-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 4545
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AUD 0.4435
Multiples of: 1

PC817X1NIP1B


Transistor Output Optocouplers OPTOISOLATOR 5KV TRANS 4ESOP, Optoisolator Transistor Output 1 Channel
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Sharp 4542
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AUD 0.3405
Multiples of: 1

TLP267J(E(T


Triac & SCR Output Optocouplers
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Toshiba 4542
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AUD 1.1333
Multiples of: 0

AT3H7A-CuH-S


3.75kV 50mA 200mV@1mA,10mA 1 6V 1.2V DC SSOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 4539
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AUD 0.0636
Multiples of: 10

PS2815-4-A


Transistor Output Optocouplers OPTOCOUPLER 16PIN SSOP
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Renesas 4536
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AUD 8.2143
Multiples of: 1

MOC3063SM


SOP-6-6.5mm Optocouplers - Thyristor Signal Output ROHS
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Youtai 4531
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AUD 0.168
Multiples of: 5

TCET1104G


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 4529
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AUD 0.3385
Multiples of: 1

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