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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MCT6-X009


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Dual CTR > 20%
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Vishay 214
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AUD 0.7979
Multiples of: 1

4N49


Optek TT Electronics Transistor Output Optocouplers Optocoupled Isolator
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TT Electronics 214
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AUD 60.4098
Multiples of: 1

LTV-4N35


Optocouplers Through Hole RoHS
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Lite-On 213
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AUD 0.2308
Multiples of: 5

TLP352(LF1,F)


Toshiba Logic Output Optocouplers Gate Drive Coupler
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Toshiba 213
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AUD 1.2262
Multiples of: 1

VOMA618A-8X001T


Transistor Output Optocouplers 80Vceo 3750Vrms SOP-4 CTR 130-260
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Vishay 213
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AUD 1.8574
Multiples of: 1

TLP2770(D4.E(O


Optocoupler; SMD; Ch: 1; OUT: totem pole; 5kV; 20Mbps; SO6L; 35kV/μs
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Toshiba 213
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AUD 2.4
Multiples of: 1

PS9821-2-AX


High Speed Optocouplers 15Mbps OPEN COLLECT
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CEL 213
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AUD 8.9222
Multiples of: 1

HCPL-788J-000E


Optocoupler; SMD; Channels:1; Out: isolation amplifier; SO16
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Broadcom 213
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AUD 10.7778
Multiples of: 1

H11D3


Vishay Semiconductors Transistor Output Optocouplers HV Phototransistor
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Vishay 212
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AUD 0.859
Multiples of: 1

APS1241S


Photodiode Output Optocouplers 20Mbps 4.4x4.3x2.1mm AIGaAs LED, PhotoIC
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Panasonic 212
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AUD 4.3654
Multiples of: 1

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