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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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IL755-1X007, Vishay
648 In Stock
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£ 1.03
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£ 0.98
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£ 0.93
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VOMA618A-3X001T, Vishay
1829 In Stock
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£ 1.29
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£ 1.23
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£ 1.16
Renesas Electronics
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RV1S9262ACCSP-10YC#SC0, Renesas Electronics
38 In Stock
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20 +
£ 1.77
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VOH263A, Vishay
488 In Stock
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£ 2.14
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£ 2.03
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£ 1.88
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TLP185(BL-TPL,SE(T, Toshiba
1948 In Stock
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£ 0.090
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£ 0.088
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£ 0.086
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IL300-DEFG, Vishay
1 In Stock
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£ 2.64
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£ 2.07
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£ 1.85
Broadcom
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6N136-000E, Broadcom
285 In Stock
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£ 0.94
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£ 0.80
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HCPL-0631-000E, Broadcom
615 In Stock
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£ 2.80
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ILQ621, Vishay
23 In Stock
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£ 2.19
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£ 1.99
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£ 1.79
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VO2631-X017T, Vishay
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1000 +
£ 1.05
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FOD8343TV, onsemi
1998 In Stock
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£ 0.97
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ACNU-250L-500E, Broadcom
998 In Stock
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£ 1.52
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ACPL-021L-500E, Broadcom
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£ 0.78
onsemi
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H11F1M, onsemi
13754 In Stock
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£ 1.06
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£ 0.92
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H11L2SR2M, onsemi
1998 In Stock
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£ 0.35
onsemi
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FOD8173T, onsemi
1498 In Stock
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£ 0.58
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FODM217DV, onsemi
3498 In Stock
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£ 0.15
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HCPL-053L-000E, Broadcom
16 In Stock
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£ 3.13
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HCPL-3140-000E, Broadcom
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£ 1.87
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£ 1.75
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IL300-EF, Vishay
70 In Stock
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£ 4.26
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CNY17-4X007, Vishay
1498 In Stock
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IL300-DEFG-X001, Vishay
1948 In Stock
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TCMT1600T3, Vishay
2718 In Stock
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£ 0.33
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£ 0.32
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ACPL-217-56CE, Broadcom
17988 In Stock
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£ 0.24
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VO0631T, Vishay
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£ 2.18
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£ 1.32
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£ 1.27
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New Items
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SFH690BT, Vishay

SFH690BT, Vishay

Optocoupler, Transistor Output, SFH Series, Vishay Semiconductor VO617A and VO618A series provides up to 5300 Vrms of voltage Isolation. VO615A, VOL617A and VOL628A series provides up to 5000 Vrms of voltage Isolation. VOM617A and VOM618A series provides up to 3750 Vrms of voltage Isolation. VO617A, VO618A, VOL617A, VOL628A, VOM617A, and VOM618A Applications include Isolation in AC adapters, switch mode power supplies, programmable logic controllers, Industrial controls, telecom systems, smart meters, office equipment, power on Internet and solar. Optocouplers VO615A, VO617A, VO618A, VOL617A, VOL628A, VOM617A, and VOM618A have an operating temperature up to 110 degrees. Optocouplers, Vishay Semiconductor
New items
140816140010, Wurth Elektronik

140816140010, Wurth Elektronik

The Wurth Elektronik WL-OCPT is a 4-pin, DIP standard package through-hole mount optocoupler phototransistor with 6.5mm x 4.58mm x 3.5mm(L x W x H) dimensions. The phototransistor has 80V collector emitter voltage and 60mA forward current with 200mW power dissipation. Typical applications include the controls of various types of loads such as test and measurement equipment, data communications, power supplies sensors. High isolation voltage Good stability of inner isolation Stable CTR in full operation Different CTR binnings available High Collector-Emitter Voltage Fast switching times
New items
FOD8480T, onsemi
New items
VOM160NT, Vishay

VOM160NT, Vishay

Optocoupler, Phototriac Output, Vishay Semiconductor Vishay optocoupler with a photo triac output VOM160, VOM3052, VOM3053 and BRT21 series Isolate low-voltage logic from 120Vac, 240Vac, and 380Vac lines to control resistive, inductive, or capacitive loads including motors, high current thyristors or triac, solenoids and relays. VOM160,VOM3052 and VOM3053 photo triac output optocouplers provide up to 3750 Vrms of voltage Isolation. VOM160,VOM3052, VOM3053 and K3010P - Non-Zero Crosing Optocoupler VOM160,VOM3052, VOM3053 and K3010P applications include triac drives, Industrial controls, solid-state relays, lighting controls, consumer appliances and office equipment. BRT11,BRT12 and BRT13 - Non-Zero Crossing BRT21- Zero Crossing Optocoupler BRT11,BRT12,BRT13 and BRT21 applications include Industrial controls, consumer appliances and office equipment. Optocouplers, Vishay Semiconductor
New items
HCPL-2201-300E, Broadcom

HCPL-2201-300E, Broadcom

Optocoupler, Logic Output, Avago Technologies Optocouplers, Avago Technologies
New items
ILD213T, Vishay

ILD213T, Vishay

Optocoupler, Transistor Output, IL, ILD, ILQ Series, Vishay Semiconductor Optocouplers, Vishay Semiconductor
New items
ACNW3410-000E, Broadcom

ACNW3410-000E, Broadcom

The Broadcom 3A gate drive opto-coupler device. The device prevent erroneous gate driver failures in noisy environments. It enables designers to implement cost-effective gate driver solutions for motor drives and power inverters. 3A max peak output current Rail-to-rail output voltage UVLO with VE reference for negative power supply 180ns max propagation delay Wide operating VCC range 15 to 30 V Industrial temperature range -40 °C to +105 °C
New items
ACPL-P302-000E, Broadcom

ACPL-P302-000E, Broadcom

Isolated Gate Driver Optocouplers, Avago Technologies The Avago Technologies optically isolated gate drive devices are optimised for driving IGBT and Power MOSFET transistors. The optocouplers exhibit rail-to-rail output, fast gate switching speed, high Common Mode Rejection (CMR) and reinforced insulation. Avago Technologies R2Coupler™ isolation products provide the reinforced insulation and reliability needed for critical automotive and high temperature applications. The isolated gate driver optocouplers are ideal for use in motor control and power conversion applications. This is a solution where the logic signals is isolated and protected from high voltages. Optocouplers, Avago Technologies
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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.
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Yes, we offer special discounts on orders above £200 for Optocouplers and all other products.
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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