Sensors中的主题 MMA8653FC stencil openings — datasheet error? https://community.nxp.com/t5/Sensors/MMA8653FC-stencil-openings-datasheet-error/m-p/464387#M2621 <HTML><HEAD></HEAD><BODY><P>I think there might be an error in the MMA8653FC datasheet. It says:</P><P></P><P>"Stencil opening = PCB land pad – 0.05 mm smaller all around = 0.55 mm x 0.175 mm"</P><P></P><P>The pads are 0.600mm x 0.225mm, so 0.05mm smaller all round would give 0.600-2*0.05 = 0.500mm by 0.225-2*0.05=0.125mm, which seems too small. The suggested 0.55mm x 0.175mm dimensions correspond to "0.025mm smaller all around" and seem much more realistic.</P><P></P><P>I think the datasheet should say "0.025mm smaller all around" to avoid confusion — I used that number as stencil opening offset and got openings which were too small.</P></BODY></HTML> Tue, 03 Feb 2026 22:59:47 GMT jrychter 2026-02-03T22:59:47Z MMA8653FC stencil openings — datasheet error? https://community.nxp.com/t5/Sensors/MMA8653FC-stencil-openings-datasheet-error/m-p/464387#M2621 <HTML><HEAD></HEAD><BODY><P>I think there might be an error in the MMA8653FC datasheet. It says:</P><P></P><P>"Stencil opening = PCB land pad – 0.05 mm smaller all around = 0.55 mm x 0.175 mm"</P><P></P><P>The pads are 0.600mm x 0.225mm, so 0.05mm smaller all round would give 0.600-2*0.05 = 0.500mm by 0.225-2*0.05=0.125mm, which seems too small. The suggested 0.55mm x 0.175mm dimensions correspond to "0.025mm smaller all around" and seem much more realistic.</P><P></P><P>I think the datasheet should say "0.025mm smaller all around" to avoid confusion — I used that number as stencil opening offset and got openings which were too small.</P></BODY></HTML> Tue, 03 Feb 2026 22:59:47 GMT https://community.nxp.com/t5/Sensors/MMA8653FC-stencil-openings-datasheet-error/m-p/464387#M2621 jrychter 2026-02-03T22:59:47Z