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Products / Memory Card Slots

Micro SD 4.0Sockets (UHS-II microSD Sockets, 18 pin) · 5 models

A Micro SD 4.0 socket (UHS-II microSD socket) adds a second row of contacts — 18 pins in total — so UHS-II cards can run their high-speed interface, for action cameras, drones, professional video and fast data capture. The KINGCONN Micro SD 4.0 series has 5 models: push-push (PUSH) SMD sockets, a reverse push-push type and a Top Push/Push type, in H1.30, H:1.50, H:1.63 and H:1.67mm heights — each with a downloadable engineering drawing on its part page.

Parameter comparison

Values are transcribed from the source engineering drawings; blank = not stated on the drawing. Click a column to sort.

Part numberPitch (mm)Mated height (mm)ContactsDurability
7MSD4-F0-00030.91.63
7MSD4-F0-00061.50
7MSD4-F0-00070.8
7MSD4-F0-00121.67
7MSD4-FA-00011.30183000 insertions

Selection FAQ

Which part numbers are in the Micro SD 4.0 series?
5 part numbers: 7MSD4-F0-0003, 7MSD4-F0-0006, 7MSD4-F0-0007, 7MSD4-F0-0012, 7MSD4-FA-0001
What contact pitches are available in Micro SD 4.0?
2 of the 5 part numbers in this series state this parameter on the drawing: 0.9 mm (1 part number); 0.8 mm (1 part number)
How many contacts can Micro SD 4.0 be supplied with?
Contact counts span 18–18; the values offered are: 18
What is the mated height of Micro SD 4.0?
4 of the 5 part numbers in this series state this parameter on the drawing: 1.63 mm (1 part number); 1.50 mm (1 part number); 1.67 mm (1 part number); 1.30 mm (1 part number)
What materials and plating does Micro SD 4.0 use?
Housing: 2 of the 5 part numbers in this series state this parameter on the drawing: LCP,THERMOPLASTIC UL 94V-0 (1 part number); Thermal Plastic, Rated UL94V-0 (1 part number)
Contacts: 2 of the 5 part numbers in this series state this parameter on the drawing: COPPEER ALLOY (1 part number); Phosphor Copper (1 part number)
Shell: 2 of the 5 part numbers in this series state this parameter on the drawing: STAINLESS STELL (1 part number); Stainless steel (1 part number)
UL rating: 2 of the 5 part numbers in this series state this parameter on the drawing: UL 94V-0 (2 part numbers)
How do I request a drawing or samples for Micro SD 4.0?
Email service@kingconn.com.tw with the part number. Clicking any part card on a product page also pre-fills the enquiry subject with that part number. Our sales team will reply with the drawing, samples and pricing.
Can Micro SD 4.0 be customised?
Yes. The Taoyuan R&D team covers the full path from design and tooling to volume production, including medical-device ODM experience. Send us the application and the requirement, and sales and engineering will assess it together.
What is the difference between a Micro SD 4.0 socket and a standard microSD socket?
A Micro SD 4.0 (UHS-II) socket has a second row of contacts, 18 pins in total, so a UHS-II card can use its high-speed interface; a standard microSD socket has one row. A UHS-II socket accepts UHS-I cards, while a UHS-II card in a standard socket runs at UHS-I speed. KINGCONN lists both.
How do I choose the height of a Micro SD 4.0 socket?
By enclosure thickness and board clearance: this series offers H1.30, H:1.50, H:1.63 and H:1.67mm, all taken from the drawings and listed in the comparison table. Email the chosen part number to service@kingconn.com.tw for the drawing and samples.
Is there a drawing for each Micro SD 4.0 socket?
Yes. Click any part card on this page to open the part page and download its engineering drawing (PDF); the dimensions, materials and plating in our spec tables are transcribed from those drawings.
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