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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TLP183(GB-TPL,E


Toshiba Transistor Output Optocouplers X36 PBF Trans Opto couplr 110C3750Vrms
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Toshiba 7954
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AUD 0.2392
Multiples of: 1

VOL618A-3X001T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler LSOP4
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Vishay 7937
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AUD 0.2988
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6N137-560E


Avago Technologies High Speed Optocouplers 10 Mbs 3750Vrms
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Broadcom 7918
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AUD 0.7506
Multiples of: 1

TLP383(D4GL-TR,E


SOP-4 Optocouplers - Phototransistor Output ROHS
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Toshiba 7913
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AUD 0.497
Multiples of: 1

ILQ615-3


Transistor Output Optocouplers Phototransistor Out Quad CTR 100-200%
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Vishay 7892
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AUD 2.182
Multiples of: 1

ILD1-X007


Transistor Output Optocouplers Phototransistor Out Dual CTR > 20%
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Vishay 7857
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AUD 1.0115
Multiples of: 1

PS9821-2-F3-AX


High Speed Optocouplers 3.3V Digital OC HI CMRR Dual CH
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Renesas 7802
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AUD 3.4149
Multiples of: 1

VOS617A-2T


Vishay Semiconductors Transistor Output Optocouplers CTR 63-125% 5mA
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Vishay 7766
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AUD 0.2514
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CPC1301GRTR


IXYS Integrated Circuits Transistor Output Optocouplers Optocoupler High-Voltage
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IXYS 7646
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AUD 1.4037
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TLP2361(V4-TPL,E


High Speed Optocouplers Photo-IC 6V 125degC 3750 Vrms
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Toshiba 7208
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AUD 0.5033
Multiples of: 1

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