microSD MicroSD Card (Micro SD Card), microSD card

The microSD microSD card (microSD card): overall width 11 mm, contact-end width 9.7 mm, pad row offset (basic) 3.85 mm. Available as simplified STEP files.

How these parts are made, and what the levels mean: read the method

• Also searched as: microSD card
• Model id: sd-cards-microsd
• Standard: microSD card · size microSD

Files

Part key	Simplified
sd-cards-microsd	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
A	Overall width	10.9	11	11.1	11	nominal	L1
A1	Contact-end width	9.6	9.7	9.8	9.7	nominal	L1
A2	Pad row offset (basic)		3.85		3.85	nominal	L0 (nom: one source)
A3	Outer pad centres	7.6	7.7	7.8	7.7	nominal	L0 (nom: one source)
A4	Pad pitch (basic)		1.1		1.1	nominal	L0 (nom: one source)
A5	Pad width	0.75	0.8	0.85	0.8	nominal	L0 (nom: one source)
A6	Back-face region width			8.5	8.5	single limit (max), modeled at the limit	L0 (max: one source)
A7	Back-face region margin, straight side	0.9			0.9	single limit (min), modeled at the limit	L0 (min: one source)
A8	Back-face region margin, notch side	0.6	0.7	0.8	0.7	nominal	L0 (nom: one source)
A9	Back-face region clearance at the slant	0.8			0.8	single limit (min), modeled at the limit	L0 (min: one source)
B	Overall length	14.9	15	15.1	15	nominal	L1
B1	Narrow edge length	6.3	6.4	6.5	6.4	nominal	L0 (nom: one source)
B2	Grip ridge extent	1.64	1.84	2.04	1.84	nominal	L0 (nom: one source)
B3	Grip ridge top	1.3	1.5	1.7	1.5	nominal	L0 (nom: one source)
B4	Contact-end chamfer length	0.42	0.52	0.62	0.52	nominal	L0 (nom: one source)
B5	Short pad length	2.8	2.9	3	2.9	nominal	L0 (nom: one source)
B6	Back-face region start	5.5			5.5	single limit (min), modeled at the limit	L0 (min: one source)
B7	Long pad start	0.2	0.3	0.4	0.3	nominal	L0 (nom: one source)
B8	Short pad start	1	1.1	1.2	1.1	nominal	L0 (nom: one source)
B9	Back-face region length			9	9	single limit (max), modeled at the limit	L0 (max: one source)
B10	Notch position	7.8	7.9	8	7.9	nominal	L0 (nom: one source)
B11	Notch length	1.1	1.2	1.3	1.2	nominal	L0 (nom: one source)
C	Overall thickness	0.9	1	1.1	1	nominal	L1
C1	Card thickness	0.6	0.7	0.8	0.7	nominal	L1
C2	Contact-end chamfer depth	0.2	0.3	0.4	0.3	nominal	L0 (nom: one source)
C3	Back-face region step	0		0.15	0.075	midpoint of min–max	L0 (min, max: one source)
D1	Keep-out margin, straight side	1			1	single limit (min), modeled at the limit	L0 (min: one source)
D2	Keep-out margin, notch side	1			1	single limit (min), modeled at the limit	L0 (min: one source)
D3	Keep-out margin, contact end	1			1	single limit (min), modeled at the limit	L0 (min: one source)
R1	Slant blend (first)	0.2	0.4	0.6	0.4	nominal	L0 (nom: one source)
R2	Slant blend (second)	0.2	0.4	0.6	0.4	nominal	L0 (nom: one source)
R3	Contact-end corner, straight side	0.7	0.8	0.9	0.8	nominal	L0 (nom: one source)
R4	Contact-end corner, notch side	0.7	0.8	0.9	0.8	nominal	L0 (nom: one source)
R5	Grip-end corner, straight side	0.7	0.8	0.9	0.8	nominal	L0 (nom: one source)
R6	Grip-end corner, notch side	0.7	0.8	0.9	0.8	nominal	L0 (nom: one source)
R7	Grip ridge arc	29.5	30	30.5	30	nominal	L0 (nom: one source)
R10	Ridge slope radius (first)		0.2		0.2	nominal	L0 (nom: one source)
R11	Ridge slope radius (second)		0.2		0.2	nominal	L0 (nom: one source)
R17	Back-face region corner (inner)	0.1	0.2	0.3	0.2	nominal	L0 (nom: one source)
R18	Back-face region corner (outer)	0.2	0.4	0.6	0.4	nominal	L0 (nom: one source)
R19	Notch corner	0.05		0.2	0.125	midpoint of min–max	L0 (min, max: one source)

Drawing

As a PDF: CC-MICROSD-SZ-MICROSD.pdf.

Documents

• CC-MICROSD-DS-MICROSD.pdf: MICROSD datasheet: values with levels, sources
• CC-MICROSD-SZ-MICROSD.pdf: MICROSD drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

delkin-l5eng00392, sda-physical-simplified-v600, silicon-power-sdt5r0. Full citations: the method page and this size's datasheet.

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