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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EL814S(A)(TU)


Transistor Output Optocouplers Optocoupler Transistor AC Input
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Everlight 15248
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AUD 0.1042
Multiples of: 5

6N137M


10Mbit/s 45ns 4.5V~5.5V 10kV/us DC DIP-8 Optocouplers - Logic Output ROHS
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Youtai 15233
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AUD 0.3047
Multiples of: 5

VO4258H-X007T


Triac & SCR Output Optocouplers Non Zero Cross Photo Triac 800V 2mA
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Vishay 15196
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AUD 3.1032
Multiples of: 1

K10101B


Optocouplers DIP-4 RoHS
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Cosmo 15093
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AUD 0.0425
Multiples of: 10

VOS618A-3T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out CTR 100-200% IF=1MA
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Vishay 15085
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AUD 0.2955
Multiples of: 1

LTV-816S-TA1-D


Transistor Output Optocouplers P/C LTV-816S-TA1-D TAPPING TYPE II
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Lite-On 15068
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AUD 0.0891
Multiples of: 5

EL816S1(D)(TU)-F


DIP Optocouplers SMD-4 RoHS
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Everlight 15044
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AUD 0.0635
Multiples of: 10

KMOC3021S TL


SMD Optocouplers - Phototransistor Output ROHS
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Cosmo 14976
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AUD 0.1429
Multiples of: 5

LTV-814S-TA1-B


SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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Lite-On 14923
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AUD 0.1525
Multiples of: 5

LTV-358T


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV
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Lite-On 14733
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AUD 0.2676
Multiples of: 1

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