Overview
The DM3AT-SF-PEJM5(26) is a microSD card connector produced by Hirose Electric Co Ltd. This connector is designed with a robust structure and advanced features to ensure reliable and secure connections. It is particularly noted for its small size, making it ideal for applications where space is limited. The connector features a push-push ejection mechanism and a built-in lock to prevent accidental card ejection or fall-out. It also includes a card detection switch, which is normally open, to indicate the presence or absence of the microSD card.
Key Specifications
| Specification | Value |
|---|---|
| Part Number | DM3AT-SF-PEJM5 |
| Connector Type | Socket |
| Recommended Card Type | microSD Card |
| Mounting Side | Standard on-Board |
| Mounting Style | SMT (Surface Mount Technology) |
| CardBus | Yes |
| Metal Shields | Yes |
| Eject Button Side | Push-push |
| Connector Height | 1.68 mm |
| Stand-off | - |
| Detection Switch | Yes |
| Rated Current | 0.5 A |
| Mating/Unmating Cycles | 10000 |
| Number of Positions | 8 |
| Mounting Pitch | 1.1 mm |
| Contact Pitch | 1.1 mm |
| Rated Voltage (AC) | 125.0 V |
| Operating Temperature Max. | 85 ℃ |
| Operating Temperature Min. | -25 ℃ |
| Contact Resistance | 100.0 mΩ Max. |
| Connector Length | 13.85 mm |
| Connector Width | 15.95 mm |
| Packaging Type | Reel |
| Purchase Unit | 1500 PCS |
| Mass | 0.56 g |
| RoHS Compliance | Yes (EU 2015/863) |
Key Features
- Small Size and Low Profile: The DM3AT-SF-PEJM5 is designed with extremely small external dimensions and a low above-the-board height, making it the smallest on the market.
- Reverse Card Insertion Protection: The connector features a unique card slot design that protects it from damage when the card is inserted in reverse, allowing for correct re-insertion.
- Effective Ground and Shield Configuration: The metal cover provides secure connection of the ground circuit and offers EMI protection with four connection points to the printed circuit board.
- Rigid and Strong Construction: Despite its small size, the connector is made from high-strength materials, ensuring a strong and rigid structure.
- Card Detection Switch: The connector includes a card detection switch that is normally open, indicating the presence or absence of the microSD card.
- Push-Push Ejection Mechanism: The built-in card tray and push insertion-push ejection mechanism prevent accidental card ejection or fall-out, and the card is ejected to a distance of 4.0 mm for easy handling).
- Exposed Termination Leads: Easy inspection and rework of the solder termination joints are facilitated by exposed termination leads).
Applications
The DM3AT-SF-PEJM5 microSD card connector is suitable for a wide range of applications where compact and reliable microSD card connections are required. These include:
- Consumer Electronics: Smartphones, tablets, cameras, and other portable devices.
- Industrial Automation: Control systems, data loggers, and other industrial equipment requiring secure data storage.
- Automotive Systems: For applications demanding high reliability, such as in-car infotainment systems and navigation devices. (Note: For automotive applications, please contact a company representative for further information).
- Medical Devices: Medical equipment and devices that require secure and reliable data storage.
Q & A
- What is the part number of this microSD card connector?
The part number is DM3AT-SF-PEJM5.
- What type of mounting does this connector use?
The connector uses Surface Mount Technology (SMT) with a right-angle mounting style.
- What is the recommended card type for this connector?
The recommended card type is microSD Card.
- Does the connector have a card detection switch?
Yes, the connector includes a card detection switch that is normally open.[
- What is the rated current of the connector?
The rated current is 0.5 A.
- What is the operating temperature range of the connector?
The operating temperature range is -25 ℃ to 85 ℃.[
- Is the connector RoHS compliant?
Yes, the connector is RoHS compliant (EU 2015/863).[
- How many mating/unmating cycles can the connector withstand?
The connector can withstand 10,000 mating/unmating cycles.[
- What is the contact resistance of the connector?
The contact resistance is 100.0 mΩ Max..[
- What is the packaging type and purchase unit for this connector?
The packaging type is Reel, and the purchase unit is 1500 PCS.[
