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Optocouplers

Optocouplers continue to be a cornerstone component in electronics, merging safety with functionality to meet the rigorous standards of today’s technological demands. Whether for professional, industrial, or personal use, their ability to couple electrical isolation with signal integrity makes them invaluable in complex electronic designs.

What are Optocouplers Used for?

Optocouplers, also known as optoisolators, are essential components in modern electronic systems. They efficiently transfer electrical signals between two isolated circuits while maintaining electrical separation. These devices leverage light to transmit data safely, ensuring that high voltages or surges on one side do not disrupt or damage the components on the other. Optocouplers are indispensable in environments where electrical isolation is crucial for safety and equipment integrity.

Popular Types Include

  • Phototransistor Optocouplers: These are commonly used to convert light signals into electrical signals using a phototransistor.
  • Photo-SCR Optocouplers: Suitable for high-voltage applications needing solid-state reliability.
  • Photo-Darlington Optocouplers: Offers higher current transfer ratios than phototransistors.
  • Photo-TRIAC Optocouplers: Ideal for controlling AC power loads.

Salient Features of Optocouplers

  • Prevents direct electrical connection between circuits.
  • Typically withstands thousands of volts.
  • Ensures quick signal transmission without delays.
  • Saves space on printed circuit boards (PCBs).

What Benefits Do They Offer?

  • Enhanced Safety: Minimises the risk of electric shocks and equipment damage.
  • Reliability: Operates effectively under a wide range of environmental conditions.
  • Versatility: Compatible with many digital and analogue signal interfaces.
  • Cost-Effective: Reduces the need for additional safety components.

Broad Range Applications

  • Industrial Automation: For controlling motors, drives, and other heavy machinery.
  • Telecommunications: Used in systems that require electrical isolation between high-frequency signal circuits.
  • Medical Equipment: Ensures patient and operator safety by isolating high voltages.
  • Consumer Electronics: Provides isolation in devices like power supplies and audio equipment.

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Manufacturer Part No
Name
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Renesas Electronics
Rohs Verified
RV1S9262ACCSP-10YC#SC0, Renesas Electronics
98 In Stock
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20 +
£ 1.55
Optek
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OPI120, Optek
15 In Stock
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1 +
£ 7.71
5 +
£ 7.01
10 +
£ 6.83
Rohs Verified
ACNW3190-000E, Broadcom
Pre Order
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1 +
£ 4.36
10 +
£ 4.13
25 +
£ 3.87
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ACPL-332J-500E, Broadcom
848 In Stock
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850 +
£ 2.08
1700 +
£ 2.03
4250 +
£ 1.97
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ACPL-M43T-500E, Broadcom
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1500 +
£ 1.05
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HCNR201-500E, Broadcom
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750 +
£ 1.94
Renesas Electronics
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RV1S9062ACCSP-10YC#SC0, Renesas Electronics
98 In Stock
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20 +
£ 2.21
Renesas Electronics
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RV1S9161ACCSP-100V#SC0, Renesas Electronics
78 In Stock
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20 +
£ 2.84
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PC357N3J000F, Sharp
38 In Stock
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40 +
£ 0.22
200 +
£ 0.17
1000 +
£ 0.11
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PC357N2J000F, Sharp
2998 In Stock
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40 +
£ 0.22
200 +
£ 0.17
600 +
£ 0.14
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HCPL-0661-500E, Broadcom
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1500 +
£ 2.62
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HCPL-316J-500E, Broadcom
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850 +
£ 2.11
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HCPL-0211-500E, Broadcom
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1500 +
£ 1.18
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HCPL-0601-500E, Broadcom
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1500 +
£ 0.72
Renesas Electronics
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RV1S9061ACCSP-10YC#SC0, Renesas Electronics
78 In Stock
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20 +
£ 2.59
Renesas Electronics
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RV1S9062ACCSP-10YV#SC0, Renesas Electronics
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£ 2.97
Renesas Electronics
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RV1S9261ACCSP-10YC#SC0, Renesas Electronics
98 In Stock
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20 +
£ 1.55
Rohs Verified
ACPL-K64L-560E, Broadcom
998 In Stock
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1000 +
£ 2.00
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PC357NJ0000F, Sharp
1318 In Stock
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40 +
£ 0.36
200 +
£ 0.27
1000 +
£ 0.19
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OPI1264A, Optek
266 In Stock
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2 +
£ 2.17
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£ 2.11
40 +
£ 2.06
Cosmo
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K1010 B, Cosmo
658 In Stock
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10 +
£ 0.21
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£ 0.18
100 +
£ 0.15
Renesas Electronics
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RV1S9061ACCSP-10YV#SC0, Renesas Electronics
58 In Stock
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20 +
£ 1.93
Vishay
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VO2630, Vishay
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£ 2.13
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£ 1.66
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£ 1.17
onsemi
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FOD4208, onsemi
761 In Stock
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1000 +
£ 1.54
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6N137VSMT&R, Isocom
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1000 +
£ 0.26
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£ 0.24
5000 +
£ 0.21
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Optocoupler, Thyristor/Triac Output, Fairchild Semiconductor
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MOC3022VM, onsemi

MOC3022VM, onsemi

Optocoupler, Thyristor/Triac Output, Fairchild Semiconductor
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FOD3120SD, onsemi

FOD3120SD, onsemi

Optocoupler, IGBT/MOSFET Gate-Drive, Fairchild Semiconductor
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FOD817DS, onsemi

FOD817DS, onsemi

Optocoupler, Transistor Output, Fairchild Semiconductor
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H11F3SVM, onsemi

H11F3SVM, onsemi

Optocoupler, Analogue FET Output, Fairchild Semiconductor The photo-detector is electrically isolated from the IRED emitting diode input. The optocoupler performs like an ideal isolated FET designed for distortion-free control of low level AC and DC analogue signals.
New items
MOC3063SR2VM, onsemi

MOC3063SR2VM, onsemi

OPTOISOLATOR 4.17KV TRIAC 6SMD
New items
FOD8160, onsemi

FOD8160, onsemi

OPTOISO 5KV OPEN COLLECTOR 5SOP
New items
FOD8480T, onsemi
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You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Optocouplers or any other product.
This depends on the Optocouplers individual product and information that can be found on our website.
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UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Optocouplers.
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