| Enlarge BGA272: Top Side    •  Bottom Side  Top Side BGA272
 Board Size 4"x5" (10x12.5cm)
 Click for Assembly Drawings
 
 
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              TopLine 999143 BGA272 cleanliness board has a special concetric ring Daisy Chain for detecting residue between the BGA pads. Top side has a single site for mounting a BGA272 1.27 Pitch 27x27mm. The bottom side has tracings to connect the concentric daisy chain pattern to plated throughhole test points. BGA pads are non-soldermask defined (NSMD). This double layer board is 0.062-inch (1.6mm) thick. Standard 999143 board is Tin-Lead SnPb HASL. Lead free RoHS boards are also available. Kit Number 999142.
              
 Board Features:
 Final finish: HASL (Tin-Lead)
              LPI Solder Mask - PSR4000BV AUS5
              FR4 Tg=170°C Isola FR406
              Size - 4"x5.0" (10x12.5cm) 
              Thickness 0.062" (1.6mm)
              2-Layer Board (Cu 1oz)
              
              Tooling Holes - None
              IPC Fiducials  - 0.062" (1.57mm)
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After Mounting BGA272 Details
 Click for Placement Map
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