# Power Adapter MEAN WELL SD-100A-12

**URL:** https://aio.lv/en/product--mean-well-sd-100a-12--1777181
**Data updated:** 2025-12-29 07:49 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** mean well
**Manufacturer code:** SD-100A-12
**EAN:** 4021087041744
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 47.88 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 39.57 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-sd-100a-12--1777181

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Pickup points | 09.07.2026 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The MEAN WELL SD-100A-12 is a reliable 100W power adapter with a 12V output. It features RoHS compliance, ensuring environmental safety. Compact dimensions of 98mm width, 199mm depth, and 38mm height make it easy to integrate into various applications. Ideal for powering devices that require stable voltage and high efficiency.

## Long description

The MEAN WELL SD-100A-12 is an enclosed DC-DC converter and 100W power adapter that provides a stable 12V DC output at up to 8.5A from a 9.5–18V DC input. The compact unit (98 mm × 199 mm × 38 mm) is RoHS compliant and intended for applications that require reliable voltage conversion and continuous power delivery.
Advantages
This MEAN WELL adapter offers a compact form factor with a rated 100W output and built-in DC-DC conversion for efficient voltage regulation. The unit delivers a steady 12V output at up to 8.5A from a wide 9.5–18V input range, supporting stable operation of connected equipment. RoHS compliance ensures reduced hazardous substances in manufacturing, and the enclosed design provides protection for internal components.
Suitable for
 Industrial control systems and automation equipment
 Telecommunications and network devices
 Embedded systems, single-board computers and peripherals
 Battery-powered systems requiring DC-DC step-up or regulation
Key specifications
 Manufacturer: mean well
 Model (MPN): SD-100A-12
 EAN: 4021087041744
 Input voltage: 9.5–18 V DC
 Output voltage: 12 V DC
 Output current: 8.5 A (maximum)
 Output power: 100 W
 Form factor: enclosed DC-DC converter
 Dimensions (W×D×H): 98 mm × 199 mm × 38 mm
 Compliance: RoHS
How to use
Install the SD-100A-12 following the manufacturer’s mounting and ventilation guidelines to ensure adequate cooling. Connect a suitable 9.5–18V DC input source to the input terminals, and attach the load to the 12V output terminals, observing correct polarity. Verify that the connected load does not exceed the 8.5A maximum output current. After connections are secure, power the input source and monitor the output voltage for correct regulation before putting the device into continuous operation.
Usage recommendations
For reliable long-term operation, provide adequate airflow around the adapter, avoid exposure to excessive ambient temperatures, and use appropriate fusing on the input side to protect against overcurrent. Ensure wiring and connectors are rated for the expected current and check compatibility with the end equipment before installation.

## Specifications

| Feature | Value |
|---|---|
| Output voltage | 12 |
| Output power | 100 W |

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | RoHS |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.58 kg |
| Height | 38 mm |
| Width | 98 mm |
| Depth | 199 mm |

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 20 pc(s) |

## FAQ

### How much does the Power Adapter MEAN WELL SD-100A-12 cost, and is it available for purchase?

The price is 47.88 € (valid at the time of publication and already includes all taxes). The item is available for order — 58 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 Monday 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: 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 SD-100A-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/1777181/64186814_large.webp