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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ACPL-217-50BE


Transistor Output Optocouplers 3000Vrms 130-260%CTR
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Broadcom 20276
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AUD 0.3694
Multiples of: 1

Hot MOC3083SR2M


Triac & SCR Output Optocouplers 6Pin800V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 12428
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AUD 0.5473
Multiples of: 1

TLP291-4(TP,E)


Transistor Output Optocouplers PHOTOCOUP QUAD TRANS 16-SOP COMP TLP281-4
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Toshiba 12301
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AUD 0.7935
Multiples of: 1

FOD3120SD


Logic Output Opto-couplers Optocoupl Logic-Out Push-Pul DC-In 1-Ch
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ON Semiconductor 5820
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AUD 0.8099
Multiples of: 1000

VO617A-8


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 130-260%
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Vishay 5807
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AUD 0.1731
Multiples of: 1

IS181GB


Optocouplers SOP-4_P2.54 RoHS
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Isocom 5785
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AUD 0.2119
Multiples of: 1

SFH6186-5


Transistor Output Optocouplers Phototransistor Out Single CTR 250-500%
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Vishay 5777
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AUD 0.4699
Multiples of: 1

VOMA617A-8X001T


Transistor Output Optocouplers 80V Vceo; 3750 VRMS SOP-4; 130 CTR
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Vishay 5744
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AUD 1.0749
Multiples of: 1

LTV-208


Lite-On Transistor Output Optocouplers SO8 100% 3.75KV 2CH Optocoupler
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Lite-On 5218
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AUD 0.36
Multiples of: 1

MOC223M


Optocoupler; SMD; Channels:1; Out: Darlington; 2.5kV; SO8
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ON Semiconductor 231
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AUD 0.6228
Multiples of: 1

First...8182838485...

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