35 µm CU on one side. HAL hot dip tin-plated. Hole pattern: 2 x 2 mm (0.79mil). Soldering islands 1.6 mm². 44 x 42 holes in rows. Hole diameter: 0.8 mm. Soldering side with solder mask. Size: 90.17 x 95.89 mm. Operating temperature: max. 150 °C. Fixed sol