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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TCMD4000


Transistor Output Optocouplers Photodarlington Out Quad CTR >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 10064
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AUD 1.353
Multiples of: 1

VOL628A-2X001T


Transistor Output Optocouplers LSOP-4 CPLR 63-125% CTR IF=1M
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Vishay 5665
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AUD 0.3819
Multiples of: 1

PS2805C-4-F3


Optocouplers SO-16 RoHS
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Renesas 3634
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AUD 0.8044
Multiples of: 1

AT816D-FEH-S


5kV 50mA 400mV@1mA,1mA 1 1.2V DC SMD-4P 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 2764
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AUD 0.0467
Multiples of: 10

ATM3053-CuH-SE


100mA 60mA 600V 1.23V Two-way thyristor SOP-4 Triac, SCR Output Optoisolators ROHS
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AOTE 2754
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AUD 0.1755
Multiples of: 5

ATM3042-CuH-SE


100mA 60mA 400V 1.23V Two-way thyristor SOP-4 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 2749
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AUD 0.1605
Multiples of: 5

ELM452


1Mbit/s 4.5V~18V 5kV/s DC SOP-5 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 2747
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AUD 2.1064
Multiples of: 1

IL4108


Triac & SCR Output Optocouplers Phototriac Output Zero Crossing
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Vishay 2742
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AUD 2.3414
Multiples of: 1

CYPC357(B-TP)


SOP-4 Optocouplers - Phototransistor Output ROHS
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OCIC 2696
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AUD 0.0525
Multiples of: 10

AT3H74-CuH-S


3.75kV 50mA 6V 1.2V DC SSOP-16 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 2528
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AUD 0.4578
Multiples of: 1

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