Best Optoisolators Deals Online in the UK (25 Deals Found)

Last Updated - 15/12/2025 Sort By:

Best Choice
JZK

New
JZK PC817 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated M
This module will be used when isolated control and voltage conversion are required in actual work.

£3.99
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Be In Your Mind

New
Be In Your Mind 2Pcs Optical Isolator Module Voltage to Current Converter Module Input Optoisolator 12V 80KHz 1 Channel
It is made of premium material, which is not easy to wear and comfortable to touch.

£8.89
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New
TIL118 OPTOCOUPLERS/OPTOISOLATORS
THIS SALE IS A TIL118 Darlington-NPN-Output dc-Input Optocoupler.

£2.75
Best Value
Youmile

New
Youmile 6 pcs 1-Channel 12V Optocoupler Isolation Module, Opto-Isolator Signal Converter Board with Screw Terminals, LED
What it does: Electrically isolates control signals to protect your microcontroller or PLC system from voltage spikes, e

£12.99
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New
50Pcs 4N27 DIP-6 Optoisolators Transistor Output.✦Kd #rt

£126.97
Youmile

New
Youmile 5PACK Expansion Board TLP281 4-Channel 4 CH Opto-isolator IC Module For Arduino Expansion Board High And Low Lev
【Four LEDs】This IC has four LEDs and four photodiodes built-in.

£7.39
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The Lord of the Tools

New
The Lord of the Tools 4x 1-Channel PC817 Optocoupler Isolation Module (3-5V) Suitable for Photoelectric Isolator Signal
1-Channel PC817 Optocoupler Isolation module adopts 5.0 pitch screw terminals for easy wiring.

£9.89
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New
50Pcs 4N27 DIP-6 Optoisolators Transistor Output.✦Kd #F21
We have a lot of products and only show a small number of products on the website. Item contains:One item.

£125.02
XPOOP

New
XPOOP 100 Pcs Optocoupler, PC817C Optocoupler 4 Pin Mounting Optocoupler 2.5mm Pitch Coupler, Optocoupler PC817C, Optoco
Material 🌈 4 Pin mounting optocoupler is made of high-quality PC material, small and lightweight, strong impact resista

£6.99
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New
3pcs MCT2E 6-Pin DIP Optoisolator Transistor Output #A6-9
Wir haben viele Produkte und zeigen nur eine kleine Anzahl von Produkten auf der Website. We’ll promptly reply you.

£3.72
Generic

New
PC817 Optoisolator Module 2-Channel 3.6-30V PCB Mount for Arduino
Description: - This module enables the use of a low-level signal to control a higher-level voltage, for example, using a

£3.99
Fasizi

New
Fasizi 5pcs PC817 4-Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Is
This module is used when it comes to the need for isolation control and voltage conversion.

£6.99
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New
TIL3022 OPTOCOUPLERS/OPTOISOLATORS
THIS SALE IS A TIL3022 Darlington-NPN-Output dc-Input Optocoupler.

£1.35
DONGKER

New
Optical Isolator Module,4-Channel 5V to 24V Optocoupler Photoelectric Optoisolator for Signal Isolation Single-chip Micr
Use a new original optocoupler. Extreme conversion frequency 20kHz.

£9.99
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New
TIL154 OPTOCOUPLERS/OPTOISOLATORS
THIS SALE IS A TIL154 Darlington-NPN-Output dc-Input Optocoupler.

£2.65
DONGKER

New
Optocoupler Isolation Module, 8CH Optocoupler Isolation Board DC 12V-24V 8-Channel NPN Low High Level Output Signal Conv
Optocoupler isolation control.

£11.99
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New
TIL112 OPTOCOUPLERS/OPTOISOLATORS
THIS SALE IS A TIL112 Darlington-NPN-Output dc-Input Optocoupler.

£3.25
New
5pcs MOC3083 SOP-6 FSC Zero-Cross Optoisolators Triac Driver NEW
AFRICA : All countries in Africa;.

£1.78
New
5Pcs DIP-8 6N137 Optoisolators Transistor Output El zn
5Pcs 6N137 Optoisolators Output El DIP-8 Transistor New Ic.

£1.19
New
5 PCS MOC3021 Random-Phase Optoisolators Triac Driver Output DIP 6 IC

£1.19
New
4N26, 6 PIN DIP OPTOISOLATORS TRANSISTOR OUTPUT X 1
OPTOISOLATOR TRANSISTOR OUTPUT. FULL DATA CAN BE FOUND AT.

£2.95
New
10 PCS IC MOC3061 DIP-6 Zero-Cross Optoisolators Triac Drive NEW
Your support will keep us moving forward forever. AFRICA : All countries in Africa;.

£2.10
New
CNY17-3Z Optoisolators - Transistor, Photovoltaic Output
Optoisolators - Transistor, Photovoltaic Output.

£3.45
New
50 Pcs MOC3081 DIP-6 6-Pin DIP Zero-Cross Optoisolators✦Kd #A6-11
I can provide a large number of spare parts for old PCs. Item contains:One item.

£118.06
New
5 PCS MOC3042M MOC3042 Zero-Cross Optoisolators Triac Driver DIP-6 FSC New #ty
We also have a high-standard team, qualified by authorized organizations to ensure products are of the highest quality.

£4.97

25 Optoisolators deals are available from: Amazon, eBay stores, starting from £1.19.
The biggest discount we found is 10%% on JZK PC817 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module PC 817 at Amazon.
The lowest price we found is £1.19 while the highest is £126.97.
Prices for the best Optoisolators deals average at £19.38.
Last updated on December 15, 2025.
We scanned these quality online stores and more to deliver you with the best offers online available for Optoisolators.