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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PS2801C-1-A


Transistor Output Optocouplers SNGL Tr DC Couplr
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CEL 6734
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AUD 1.6394
Multiples of: 1

LTV-8141


Optoisolator Darlington Output 5000Vrms 1 Channel 4-DIP
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Lite-On 6685
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AUD 0.3579
Multiples of: 1

ELD207(TA)-V


Everlight Transistor Output Optocouplers Optocouplers
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Everlight 6625
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AUD 0.3054
Multiples of: 5

TLP185(GR-TPR,E(T


Optocouplers SMD-4 RoHS
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Toshiba 6588
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AUD 0.6231
Multiples of: 1

FOD814A300


Optoisolator Transistor Output 5000Vrms 1 Channel 4-DIP
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ON Semiconductor 6501
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AUD 0.2063
Multiples of: 1

LTV-3120S-TA1


Logic Output Opto-couplers 2.5AIGBT Gate Drive 8Pin SMT Optocoupler
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Lite-On 6233
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AUD 0.6746
Multiples of: 1

MOCD217R2VM


Transistor Output Optocouplers 8-Pin Optocoupler LC 2Ch Phototrans
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ON Semiconductor 6077
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AUD 0.4976
Multiples of: 1

TLP2361(V4-TPL,E


High Speed Optocouplers Photo-IC 6V 125degC 3750 Vrms
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Toshiba 5014
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AUD 0.522
Multiples of: 1

SFH690BT


Transistor Output Optocouplers Phototransistor Out Single CTR 100-300%
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Vishay 4893
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AUD 0.3221
Multiples of: 5

LTV-356T


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV
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Lite-On 257
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AUD 0.0934
Multiples of: 5

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