# Electric Converter MEAN WELL SD-25B-12

**URL:** https://aio.lv/en/product--mean-well-sd-25b-12--3258021
**Data updated:** 2025-12-29 10:50 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** mean well
**Manufacturer code:** SD-25B-12
**EAN:** 4021087002196
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 29.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-sd-25b-12--3258021

## 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 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

The MEAN WELL SD-25B-12 is a compact electric converter with a power output of 25.2 W. It features a DC input voltage range of 19 - 36 V and provides an output current of 2100 mA. With dimensions of 99 mm in width, 97 mm in depth, and 36 mm in height, it is designed for efficient power conversion in various applications.

## Long description

The MEAN WELL SD-25B-12 is a compact electric converter delivering 25.2 W of output power. It accepts a DC input voltage range of 19–36 V, provides a constant output current of 2100 mA and is built for reliable power conversion in industrial and embedded applications. The unit measures 99 mm × 97 mm × 36 mm and includes features for stable operation such as high isolation and EMI suppression.
Advantages
The SD-25B-12 offers a wide 2:1 input range for flexible use with different DC sources and a 1500 VAC input-to-output isolation rating for safety in many environments. A built-in EMI filter and low ripple noise ensure cleaner output suitable for sensitive electronics. The product undergoes a 100% full-load burn-in test and operates at a fixed switching frequency of 83 kHz to provide consistent performance and high reliability at a low cost.
Suitable for
Industrial control systems
Embedded equipment and instrumentation
Battery-powered systems and DC distribution
Telecommunications and network devices
Key specifications
Model: MEAN WELL SD-25B-12 (MPN: SD-25B-12)
Output power: 25.2 W
Input voltage (DC): 19–36 V
Output current: 2100 mA
Isolation: 1500 VAC I/O
Switching frequency: fixed 83 kHz
Dimensions: 99 mm × 97 mm × 36 mm
Quality control: 100% full-load burn-in test
How to use
Install the SD-25B-12 in a location with adequate ventilation and secure mounting to the intended chassis or DIN rail as specified by the system design. Connect the DC input within the 19–36 V range and verify polarity before powering. Route output connections to the load rated for the converter's 2100 mA output and ensure proper wiring and fusing according to local electrical codes. Allow for the unit's isolation and grounding requirements when integrating into larger assemblies.
Usage recommendations
For stable operation, avoid input voltages outside the specified 19–36 V range and protect the converter from excessive heat and moisture. Use appropriate transient protection on the input if the source is subject to spikes. Follow manufacturer safety and installation guidelines to maintain isolation ratings and long-term reliability.

## Specifications

| Feature | Value |
|---|---|
| Output voltage | 12 |
| Quantity | 1 |
| Output current | 2100 mA |
| DC input voltage | 19 - 36 |

### Design

| Feature | Value |
|---|---|
| Product colour | Metallic |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 36 mm |
| Width | 99 mm |
| Depth | 97 mm |

### Other features

| Feature | Value |
|---|---|
| Power | 25.2 W |

## FAQ

### How much does the Electric Converter MEAN WELL SD-25B-12 cost, and is it available for purchase?

The price is 35.99 € (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 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 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: product colour, 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.

## Image

https://aio.lv/img/cache/product/3258021/64209089_large.webp