Fischer male header thr 254mm pitch square 0635mm fischer elektronik sl 21 thr 124 72s fischer sl 21 thr 124 72 s male header vertical thr arranged 2x36 with 254mm pitch and selective gold plated plated contacts 124mm long pins through hole reflow thr soldering technology fischer sl 21 thr 124 72 s thr male header 2x36 vertical 254mm au 124mm pins