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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K10104DTLD


Optocouplers SMD-4 RoHS
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Cosmo 24123
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AUD 0.0517
Multiples of: 10

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

VOL617A-3X001T


Transistor Output Optocouplers Phototransistor Out CTR 100-200% IF=5MA
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Vishay 23661
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AUD 0.2546
Multiples of: 1

ACPL-T350-500E


Logic Output Opto-couplers 2.5A IGBT Gate Drive
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Broadcom 23632
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AUD 0.9345
Multiples of: 1

TCDT1124


Transistor Output Optocouplers Phototransistor Out
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Vishay 23358
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AUD 0.3219
Multiples of: 1

EL817S1(D)(TU)


Transistor Output Optocouplers Optocoupler Transistor DC Input
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Everlight 19734
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AUD 0.087
Multiples of: 5

MOC3021


Optotriac; 5kV; Uout:400V; without zero voltage crossing driver
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Lite-On 19647
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AUD 0.147
Multiples of: 5

4N35


Transistor Output Optocouplers Phototransistor Out
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Vishay 17697
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AUD 0.305
Multiples of: 1

ACPL-P480-500E


Logic Output Opto-couplers 5MBd 3750Vrms
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Broadcom 12921
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AUD 0.7202
Multiples of: 1

TLP290-4(GB-TP,E(T


Optocouplers SO-16 RoHS
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Toshiba 8862
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AUD 0.555
Multiples of: 1

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