Single-Sided with Center LED Contact Pad(Suitable for BL-Series Domes)


  • Snaptron recommends that the circuit area under the dome be void of solder mask.  The keep out area begins at the outside edge of the outer circuit pad that the dome is positioned on and includes area inside of pads.

This drawing represents one of many possible layouts. Snaptron conveys this information for customer support with the intent that the customer will be responsible for final design of P.C.B. layout.

Metric Domes (in millimeter)

8.5mm< dome hole diameter4.254.192.771.090.92
10mm< dome hole diameter4.504.673.151.551.10
12mm< dome hole diameter5.255.593.761.851.30
14mm< dome hole diameter6.256.404.341.981.60