Assorted Printed Circuit Assembly Lead-Free / RoHS 3 Compliant / REACH Compliant LQFP-144/TQFP-144 (20 x 20 mm body, 0.5 mm pin pitch) to PGA-144 (0.1" pin pitch) adapter. PCB dimensions: 2300 mils x 2300 mils (58.42 x 58.42 mm). PCB construction: FR-4 UL94V-0. PCB operating temperature range: -40C to +130C. PCB reflow maximum temperature: +260C. PCB Assembly standard: IPC-A-610 Class II. Top side of board fits surface mount footprint. Bottom side of PCB fits through hole vertical headers. This board uses our male through hole vertical headers, Proto-Advantage part number: HDR100IMP40M-G-V-TH, which are included.