Series 850 PCB connectors 1.27 mm Single row / double row Surface mount 12 Ultraminiature PCB receptacles, surface mount Grid spacing 1.27 ×1.27 mm Receptacles for pins ∅ 0.35–0.45 mm For corresponding connectors see pages 13, 14 and 15 Platings 91 93 99 Sleeve 5 µm Sn Pb 5 µm Sn Pb 5 µm Sn Pb Clip 0.25 µm Au 0.75 µm Au 5 µm Sn Pb Pin Ordering information Replace xxx with the number of poles, e.g. 853-91-xxx-30-001 for a double row version with 8 pins per row becomes: 853-91-016-30-001 851-91-xxx-40-001 851-93-xxx-40-001 851-99-xxx-40-001 SMD receptacle: single row, parallel mount 851-91-xxx-30-001 851-93-xxx-30-001 851-99-xxx-30-001 SMD receptacle: single row, perpendicular mount 853-91-xxx-30-001 853-93-xxx-30-001 853-99-xxx-30-001 SMD receptacle: double row, perpendicular mount 853-91-xxx-30-002 853-93-xxx-30-002 853-99-xxx-30-002 SMD receptacle: double row with 2.54 mm distance, perpendicular row to row mount Availability from: 1 to 50 contacts Standard number of contacts 25 and 50 Availability from: 3 to 50 contacts Standard number of contacts single row: 25 and 50 Availability from: 4 to 100 contacts Standard number of contacts 50 and 100 Availability from: 4 to 100 contacts Standard number of contacts 100 On request with positioning pins