| Enlarge: Bare Board  Board Size 4"x5.5" (10x14cm)
 Click for bottom view
 
 
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              TopLine QFP 28mm ASSORTMENT Kit. Four mounting sites for 28mm QFP256 components for placement and solder practice. QFP256 with 0.4mm Pitch. Double sided. Bottom side has same mounting sites as the top side.
              
 Board Features:
 Choice of Final finish:
 • Immersion Tin (Sn)
 • ENIG (Ni/Au)Gold
 • OSP Copper
 • Immersion Silver
 • HASL SnPb
              LPI Solder Mask - PSR4000 BN
              FR4 Tg=170°C
              Size - 4"x5.5" (10x14cm) 
              Thickness 0.062" (1.6mm)
              2-Layer Board
              Lead Free RoHS Version
              Tooling Holes .125" (3.17mm)
              IPC Fiducials  - 0.062" (1.57mm)
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