# Optocoupler SMD 4-channel 3 kV isolation EB664719454 by Everlight

**URL:** https://aio.lv/en/product--optocoupler-smd-4-channel-3-kv-isolation-eb664719454-by-everlight--4106556
**Data updated:** 2026-02-12 14:04 (EET)
**Category:** Other Repair Parts
**Manufacturer code:** EB664719454#
**EAN:** 3100000827694
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 4.07 €
**Prices and availability valid until:** 2026-08-29 23:59
**Price without VAT (21%):** 3.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--optocoupler-smd-4-channel-3-kv-isolation-eb664719454-by-everlight--4106556

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.08.2026 | free |
| Pickup points | 11.08.2026 | 1.79 EUR |
| Courier delivery to door | 11.08.2026 | 4.99 EUR |

## Summary description

SMD optocoupler EB664719454 is a 4-channel device providing 3 kV isolation between input and output. Designed for surface-mount PCB assembly, it isolates control signals in industrial, power supply, and communication applications. Compact package enables space-saving designs while protecting low-voltage circuitry from high-voltage sections and reducing interference between circuits.

## Long description

SMD optocoupler EB664719454 is a 4-channel isolation device designed to provide reliable electrical separation between input and output circuits. The component delivers 3 kV insulation strength in a compact surface-mount package suitable for automated PCB assembly. It isolates control and signal lines in industrial automation, power supplies and communication equipment, helping protect low-voltage electronics from high-voltage sections and reducing crosstalk and interference between channels.
Advantages
The 4-channel SMD optocoupler provides high-voltage isolation of up to 3 kV while keeping a small PCB footprint, enabling space-efficient board layouts. Its surface-mount design supports pick-and-place assembly and reflow soldering, contributing to consistent manufacturing quality. Multiple channels in one package simplify routing and component count, and the device improves system reliability by minimizing ground loop issues and electrical noise coupling.
Suitable for
 Isolation of digital control signals in industrial automation
 Protecting low-voltage microcontroller inputs from high-voltage sections
 Signal separation in switched-mode power supplies and power converters
 Communication interfaces requiring galvanic isolation
Key specifications
 Channel count: 4 channels in a single surface-mount package
 Isolation voltage: rated for 3 kV isolation between input and output
 Mounting type: surface-mount (SMD) suitable for automated PCB assembly
 Function: optically coupled input-to-output signal isolation for digital lines
 Typical applications: industrial, power supply, communication circuitry requiring galvanic isolation
How to use
Place the SMD optocoupler on the PCB following the manufacturer’s recommended footprint and orientation. Route the input-side traces and the output-side traces to maintain the required creepage and clearance distances for 3 kV isolation, and avoid placing high-voltage conductors over the isolation barrier. Use standard reflow soldering profiles for SMD components and observe ESD handling procedures during assembly. Drive the input LEDs with appropriate current-limiting resistors and ensure the output side is biased according to the receiving circuitry’s logic levels.
Usage recommendations
For reliable isolation performance, maintain specified creepage and clearance on the PCB, follow recommended soldering profiles, and design input resistor values to match the desired LED drive current. Verify isolation with appropriate dielectric strength testing after assembly and implement proper ESD protection during handling and operation.

## FAQ

### How much does the Optocoupler SMD 4-channel 3 kV EB664719454 cost, and is it available for purchase?

The price is 4.07 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 06.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/4106556/10453418_large.webp