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MDR-40-12 Tech Specifications
MEAN WELL MDR-40-12 technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs SI1084-A-GM.
| Product Attribute | Attribute Value | |
|---|---|---|
| Category | AC DC Converters | |
| Manufacturer | MEAN WELL | |
| Factory Lead Time | 21 Weeks | |
| Mount | DIN Rail | |
| Mounting Type | DIN Rail | |
| Package / Case | 100 | |
| Number of Pins | 9Pins | |
| Weight | 300g | |
| Usage Level | Commercial grade | |
| Operating Temperature | -20°C~70°C With Derating | |
| Series | MDR-40 (40W) | |
| Size / Dimension | 3.94Lx1.57W x 3.54 H 100.0mmx40.0mmx90.0mm | |
| Pbfree Code | yes | |
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Type | Enclosed | |
| Applications | Hazardous Locations, Industrial, ITE (Commercial) | |
| Depth | 100mm |
| Product Attribute | Attribute Value | |
|---|---|---|
| Number of Outputs | 1Output | |
| Approval Agency | CB, CE, cULus, cURus, TUV | |
| Efficiency | 86% | |
| Voltage - Isolation | 3kV | |
| Output Voltage | 12V | |
| Output Current | 3.33A | |
| Output Power | 40W | |
| Max Output Voltage | 15V | |
| Min Input Voltage | 85V | |
| Max Input Voltage | 264V | |
| Current - Output 1 | 3.33A | |
| Min Output Voltage | 12V | |
| Max Output Power | 40W | |
| Minimum Load Required | No | |
| Features | Adjustable Output, Universal Input | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Lead Free |
MDR-40-12 Documents
Download datasheets and manufacturer documentation for MDR-40-12
Datasheets
MDR-40 Series Datasheet MDR-40-12-Mean-Well-datasheet-10900675.pdf MDR-40-12-Mean-Well-datasheet-67360073.pdf MDR-40-12-Meanwell-datasheet-7272268.pdf MDR-40-12-Mean-Well-datasheet-8616443.pdf MDR-40-12-Mean-Well-datasheet-10300558.pdf MDR-40-12-Meanwell-datasheet-10736699.pdf MDR-40-12-Mean-Well-datasheet-15927381.pdf MDR-40-12-Mean-Well-datasheet-21258825.pdf MDR-40-12-Mean-Well-datasheet-31829805.pdf MDR-40-12-Mean-Well-datasheet-42021649.pdfEnvironmental Information
Mean Well RoHS3, PFOS
Others include "MDR-4" parts
The following parts include 'MDR-4'
| Part # | Manufacturer | Package | Availability |
|---|---|---|---|
| MDR-40-12 | MEAN WELL USA Inc. | 100 | 972 |
| MDR-40-24 | MEAN WELL USA Inc. | Module | 402 |
| MDR-40-5 | MEAN WELL USA Inc. | 100 | 11 |
| MDR-40-48 | MEAN WELL USA Inc. | 100 | 49 |
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Alternate Products
| Part # | Manufacturer | Description | Package | RoHS | |
|---|---|---|---|---|---|
![]() | MDR-40-12 | MEAN WELL USA Inc. | AC/DC CONVERTER 12V 40W | 100 | |
![]() | MDR-60-24 | MEAN WELL USA Inc. | AC/DC CONVERTER 24V 60W | 100 | |
![]() | MDR-60-12 | MEAN WELL USA Inc. | AC/DC CONVERTER 12V 60W | 100 | |
![]() | LPP-100-24 | MEAN WELL USA Inc. | AC/DC CONVERTER 24V 101W | 100 |
Payment Problem
The payment method can be chosen from the four methods shown below: TT in advance (bank transfer), Western Union, Credit card, PayPal.

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Shopping Guide
Shipping | Delivery Period | Packages will be arranged for delivery within 1-2 days from the date of all items arrive at our warehouse. In stock items can be shipped out within 24 hours. Delivery Time depends on Shipping Method and Delivery Destinations. |
Shipping Rate | Shipping rate is based on size, weight, destination of the package. MOST offers competitive shipping options through top carriers DHL, FedEx and UPS. We also offer shipping account services for customers who wish to be billed directly for shipping. | |
Shipping Methods | ![]() | |
Shipping Tracking | Once the components are delivered, the tracking number will be notified via email immediately. The tracking number also could be found in order history. | |
Returning | Returning | All returns should be made within 60 days of date of invoice and be accompanied by the original invoice number, certificate of guarantee card, parts picture and a brief explanation or test report of the reason for the return. Returns will not be accepted after 60 days. Returned merchandise must be in original packaging and in resalable condition. Parts returned due to customer error at time of quote or sale will not be accepted. Please contact customer service for a return authorization before return shipment. |
Ordering | How to Buy | Online and offline orders both are available. Please find the order process guidance from below link: If you have any operation issue, please feel free to contact with our customer service. |
Payment | TT in advance (bank transfer), Western Union, Credit card, PayPal. Customer is responsible for shipping fee, bank charges, duties and taxes. |
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MDR-40-12 Comments
109 reviews
2023-11-06 00:00:00
Great experience with JAK.
2023-10-28 00:00:00
The quality and price of electronic components purchased on Jakelectronic are OK, but their website interface is a bit old
2023-10-24 00:00:00
reasonable price.
2023-09-11 00:00:00
Love these!
2023-08-31 00:00:00
The board looks and works exactly as it should
2023-08-26 00:00:00
Good shopping experience, hope jak can improve inventory management
2023-08-20 00:00:00
전자 부품의 품질과 가격은 괜찮습니다.
2023-08-10 00:00:00
The best platform for all the parts throughout the world.
2023-07-26 00:00:00
The product performance meets expectations, and the delivery time is not too long.
2023-07-18 00:00:00
Product quality is OK, but customer service can be better.