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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TLP124(BV-TPR,F)


Transistor Output Optocouplers 80Vceo 3750Vrms Low input current
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Toshiba 20105
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AUD 0.8009
Multiples of: 1

OR-354B


Optocouplers SMD-4 RoHS
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Orient 20103
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AUD 0.0846
Multiples of: 5

EL817(C)


Transistor Output Optocouplers Optocoupler Transistor DC Input
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Everlight 20094
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AUD 0.1636
Multiples of: 1

EL817C


Transistor Output Optocouplers Optocoupler Transistor DC Input
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Everlight 20050
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AUD 0.1296
Multiples of: 1

S2S3LA0F


Triac & SCR Output Optocouplers 5mA Ift 600V nonZC Phototriac 3Kpcs
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Sharp 20043
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AUD 0.921
Multiples of: 1

PS2802-4-A


Transistor Output Optocouplers Hi-Iso Darling 4-Ch
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CEL 20042
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AUD 6.2769
Multiples of: 1

HCNR200-500E


High Linearity Optocouplers 1 Ch 60mW 25mA
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Broadcom 19965
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AUD 1.3176
Multiples of: 1

LTV-816S-TA1-B


Transistor Output Optocouplers P/C LTV-816S-TA1-B TAPPING TYPE II
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Lite-On 19710
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AUD 0.0705
Multiples of: 10

K10104CTLD


Optocouplers SMD-4 RoHS
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Cosmo 19555
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AUD 0.0435
Multiples of: 10

EL2501S(K)(TU)-G


Optocouplers SMD-4 RoHS
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Everlight 19400
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AUD 0.0685
Multiples of: 10

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