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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MOC3052S-TA1


Optotriac; 5kV; Uout:600V; without zero voltage crossing driver
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Lite-On 18507
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AUD 0.242
Multiples of: 5

HCPL-2630-500E


Optocoupler Logic-Out Open Collector DC-IN 2-CH 8-Pin PDIP SMD T/R
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Broadcom 6575
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AUD 1.3967
Multiples of: 1

MOC216R2M


Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor
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ON Semiconductor 5161
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AUD 0.3159
Multiples of: 1

FODM452R2V


Fairchild Semiconductor High Speed Optocouplers HS Transistor Output Optocoupler
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ON Semiconductor 5152
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AUD 0.7496
Multiples of: 1

PS2561DL-1Y-A


Transistor Output Optocouplers BV=5000Vr.m.s 1 Channel
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CEL 5138
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AUD 0.407
Multiples of: 1

RV1S2211ACCSP-10YV#SC0


Photocoupler with 8.2mm Creepage Distance 5000Vrms 4-Pin SSOP Surface Mount
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Renesas 5131
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AUD 1.2
Multiples of: 1

FODM8801BR2V


Fairchild Semiconductor Transistor Output Optocouplers VDE tested, OptoHiT Hi Temp Phototranstr
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ON Semiconductor 5108
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AUD 0.8329
Multiples of: 1

VOL618AT


Transistor Output Optocouplers CPLR
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Vishay 5010
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AUD 0.2624
Multiples of: 1

CPC1301GRTR


IXYS Integrated Circuits Transistor Output Optocouplers Optocoupler High-Voltage
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IXYS 4873
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AUD 2.4514
Multiples of: 1

VOM617A-9X001T


Transistor Output Optocouplers Phototransistor Out CTR 200-400% 5mA VDE
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Vishay 4645
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AUD 0.2279
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First...8182838485...

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