# Attenuator EFB Elektronik 533680.3, attenuation 45 dB, SC connector, -20–75 °C, 6.3×28.6×10.5 mm

**URL:** https://aio.lv/en/product--efb-elektronik-5336803--4137988
**Data updated:** 2026-01-07 08:58 (EET)
**Category:** Network Equipment Accessories
**Manufacturer:** EFB Elektronik
**Manufacturer code:** 533680.3
**EAN:** 4049759165697
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 23.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 19.41 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--efb-elektronik-5336803--4137988

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Inline attenuator EFB Elektronik 533680.3 provides 45 dB attenuation with SC connector. Designed for use in optical/electronic signal chains, it operates between -20 and 75 °C. Compact metal/plastic housing measures 6.3 × 28.6 × 10.5 mm, suitable for space-constrained installations where signal level reduction and protection of downstream components are required.

## Long description

EFB Elektronik 533680.3 attenuator is a compact in-line optical attenuator designed for fiber optic applications. It provides a fixed attenuation of 45 dB, uses an SC connector interface and is specified to operate in a temperature range from -20 °C to 75 °C. The device is small and lightweight with dimensions of 6.3 mm (width) × 28.6 mm (depth) × 10.5 mm (height).
Advantages
The attenuator offers precise 45 dB attenuation in a compact SC-format housing suitable for insertion into standard fiber links. Its wide operating temperature range (-20 °C to 75 °C) supports deployment in various indoor and controlled-environment installations. Small physical dimensions allow space-efficient integration into patch panels and fiber assemblies.
Suitable for
Reducing optical power in singlemode fiber links using SC connectors
Laboratory and test setups requiring fixed 45 dB attenuation
Integration into patch panels, fiber assemblies, or pre-assembled trunk cables
Key specifications
Brand: EFB Elektronik
Model / MPN: 533680.3
Attenuation: 45 dB (fixed)
Connector(s): SC
Temperature range (T-T): -20 °C to 75 °C
Dimensions (W × D × H): 6.3 mm × 28.6 mm × 10.5 mm
EAN: 4049759165697
How to use
Install the attenuator inline by connecting the SC connector to the matching SC receptacle or patch cord. Ensure connectors are clean and properly aligned before insertion to avoid excess loss from contamination. Verify optical power levels with appropriate test equipment after installation to confirm the expected 45 dB attenuation.
Usage recommendations
Store and handle the attenuator in a clean, dry environment. Avoid exposing the device to temperatures outside the specified -20 °C to 75 °C range. Clean SC connector endfaces with approved fiber cleaning tools before connection and verify performance with an optical power meter or optical spectrum analyzer as required.

## Specifications

| Feature | Value |
|---|---|
| Certification | IEC61754-4 |
| Height | 10.5 mm |
| Connector(s) | SC |
| Width | 6.3 mm |
| Depth | 28.65 mm |
| Temperature range (T-T) | -20 - 75 |
| Attenuation | 45 dB |

## FAQ

### How much does the Attenuator EFB Elektronik 533680.3 45 dB cost, and is it available for purchase?

The price is 23.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 273 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 13.07.2026 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.

### What is the warranty period?

All EFB Elektronik products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized EFB Elektronik service centers and through AiO.lv

### 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/4137988/64254767_large.webp