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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VOL628A-3X001T


Transistor Output Optocouplers AC Input, Phtotrnstr 100-200% CTR 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 24471
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AUD 0.3649
Multiples of: 1

ELM3052(TA)-V


Triac Optocouplers SOP-4_P2.54 RoHS
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Everlight 23954
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AUD 0.319
Multiples of: 5

EL2501S(K)(TU)-G


Optocouplers SMD-4 RoHS
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Everlight 23445
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AUD 0.0854
Multiples of: 5

RV1S2281ACCSP-10YC#SC0


Photocoupler with 8.2mm Creepage Distance 5000Vrms 4-Pin SSOP Surface Mount
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Renesas 23333
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AUD 1.1317
Multiples of: 1

PC817C


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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JSMSEMI 23221
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AUD 0.0369
Multiples of: 10

VOM617A-X001T


Transistor Output Optocouplers Phototransistor Out CTR 50-600% 5mA VDE
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Vishay 23042
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AUD 0.22
Multiples of: 1

TCET1102G


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 22713
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AUD 0.2479
Multiples of: 1

PC817X2NSZ9F


Transistor Output Optocouplers Photocoupler
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Sharp 20205
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AUD 0.0718
Multiples of: 5

PC354NJ0000F


Transistor Output Optocouplers Photocoupler AC Input
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Sharp 12042
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AUD 0.2507
Multiples of: 5

LTV-846S


Transistor Output Optocouplers Optocplr Phototrans 4-Channel
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Lite-On 8047
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AUD 0.5952
Multiples of: 1

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