Optocouplers, also referred to as photocouplers, optoisolators, or optical isolators, are electronic components that transfer electrical signals between two isolated circuits through the use of light. They typically consist of a light-emitting diode (LED) and a photosensitive detector, such as a phototransistor, encapsulated in a single package. When the input side receives an electrical signal, the LED emits light, which is detected by the output side to reproduce the signal without any direct electrical connection.
This optical isolation helps prevent high voltages or electrical noise from affecting the receiving circuit. Optocouplers are commonly used in power supplies, communication interfaces, signal isolation, and control systems.
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Mfr. Part No. WS Part No. |
1Mbit/s 1kV/us DC SOP-8-2.54mm
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130,000 pieces In Stock |
MOQ: 235 |
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Mfr. Part No. WS Part No. |
Transistor Output Optocouplers OPTOCOUPLER 16-PIN SSOP
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50,000 pieces In Stock |
MOQ: 40 |
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Mfr. Part No. WS Part No. |
10Mbit/s DC SOP-8-2.54mm
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365,000 pieces In Stock |
MOQ: 140 |
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Mfr. Part No. WS Part No. |
High Speed Optocouplers
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87,020 pieces In Stock |
MOQ: 160 |
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Mfr. Part No. WS Part No. |
Transistor Output Optocouplers 80V Photocoupler 3750 Vrms 100 to 600
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42,920 pieces In Stock |
MOQ: 65 |
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Mfr. Part No. WS Part No. |
Transistor Output Optocouplers 80V Photocoupler 3750 Vrms 100 to 600
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42,920 pieces In Stock |
MOQ: 65 |
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Mfr. Part No. WS Part No. |
Transistor Output Optocouplers
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46,680 pieces In Stock |
MOQ: 145 |
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Mfr. Part No. WS Part No. |
10Mbit/s 10kV/us DC SOP-5-175mil
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6,277 pieces In Stock |
MOQ: 125 |
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Mfr. Part No. WS Part No. |
MOSFET Output Optocouplers 40V Photorelay USOP 4
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480 pieces In Stock |
MOQ: 8 |
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Mfr. Part No. WS Part No. |
High Speed Optocouplers 1MBd 1Ch 16mA
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1,831 pieces In Stock |
MOQ: 13 |
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Mfr. Part No. WS Part No. |
Transistor Output Optocouplers 80V Photocoupler 2500 Vrms 50mA
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22,020 pieces In Stock |
MOQ: 35 |
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Mfr. Part No. WS Part No. |
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16,200 pieces In Stock |
MOQ: 960 |
Need to verify |
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Mfr. Part No. WS Part No. |
Transistor Output Optocouplers TR LOW INPUT CTR=100% MIN
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52 pieces In Stock |
MOQ: 27 |
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Mfr. Part No. WS Part No. |
Transistor Output Optocouplers 80V Photocoupler 3750 VRMS 100 to 300
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Low Stock |
MOQ: 0 |
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