Fischer smd female header fork contact 127mm pitch square 03 and 04mm pins fischer elektronik blm 2 smd 40g fischer blm 2 smd 40 g female header vertical fork contact arranged 2x20 with 127x254mm pitch and gold plated plated contacts wide insulating body fischer blm 2 smd 40 g fork contact female header 2x20 vertical 127x254mm au