# Power Adapter MEAN WELL MFM-05-12 5W 12V 80-264V

**URL:** https://aio.lv/en/product--mean-well-mfm-05-12--3314666
**Data updated:** 2026-01-06 11:09 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** mean well
**Manufacturer code:** MFM-05-12
**EAN:** 4021087042932
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.49 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 16.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-mfm-05-12--3314666

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The MEAN WELL MFM-05-12 is a compact power adapter with an input voltage range of 80-264V and an output power of 5W at 12V. It is designed for reliable performance in various applications, featuring a depth of 42mm and a lightweight design of 18g. This adapter is RoHS certified, ensuring it meets environmental standards.

## Long description

The MEAN WELL MFM-05-12 is a compact AC-DC single-output open-frame medical power supply that delivers 12 Vdc at 0.42 A (5 W). Designed for PCB mounting, it accepts a wide input voltage range of 80–264 Vac and provides two MOPP isolation suitable for medical device requirements. The unit is RoHS compliant and has a shallow depth of 42 mm with a lightweight construction of approximately 18 g, making it suitable where space and weight are limited.
Advantages
The MFM-05-12 offers a small footprint and PCB-mount convenience for integration into medical and industrial equipment. With a wide input range (80–264 Vac) and 2×MOPP isolation, it supports reliable safety and compatibility across regions and meets environmental restrictions through RoHS compliance. Its open-frame design and low weight simplify installation into compact assemblies.
Suitable for
 Embedded medical devices requiring 12 V, low-power supply
 PCB-mounted instrumentation and control modules
 Compact industrial equipment with constrained space
Key specifications
 Model: MEAN WELL MFM-05-12 (MPN: MFM-05-12)
 Output: 12 Vdc, 0.42 A (5 W)
 Input voltage: 80–264 Vac
 Isolation: 2×MOPP (medical isolation)
 Mounting: PCB mount (open frame)
 Depth: 42 mm
 Weight: approx. 18 g
 Certifications: RoHS compliant
 EAN: 4021087042932
How to use
Mount the MFM-05-12 directly onto the printed circuit board according to the manufacturer’s PCB layout and soldering guidelines. Connect the AC input within the specified 80–264 Vac range and take care to observe correct polarity on the 12 Vdc output. Ensure that the open-frame supply is placed to allow sufficient clearance for ventilation and that creepage and clearance distances on the PCB meet applicable medical safety requirements.
Usage recommendations
For medical applications, verify system-level compliance and perform required safety tests. Maintain adequate creepage/clearance, follow MEAN WELL’s recommended PCB footprint and soldering procedures, and provide appropriate fusing and transient protection on the AC input where required.

## Specifications

| Feature | Value |
|---|---|
| Input voltage | 80 - 264 |
| Output voltage | 12 |
| Output current | 0.42 A |
| Output power | 5 W |

### Technical details

| Feature | Value |
|---|---|
| Sustainability certificates | RoHS |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.018 kg |
| Depth | 42 mm |

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 270 pc(s) |

## FAQ

### How much does the Power Adapter MEAN WELL MFM-05-12 cost, and is it available for purchase?

The price is 20.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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 23.07.2026 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. 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 mean well 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 mean well 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Power Adapter MEAN WELL MFM-05-12?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/3314666/58353888_large.webp