IC51 Series (Clamshell) Plastic Lead Chip Carrier (PLCC) Specifications Part Number (Details) IC51 - 124 4 - 410-1 1,000M Ω min. at 500V DC Insulation Resistance: Dielectric Withstanding Voltage: 700V AC for 1 minute 30m Ω max. at 10mA/20mV max. Contact Resistance: 1A max. Current Rating: Operating Temperature Range: –55°C to +170°C 10,000 insertions min. Mating Cycles: Series No. No. of Contact Pins Number of Sides with Contacts Materials and Finish Design Number Housing: Polyethersulphone (PES), glass-filled Contacts: Beryllium Copper (BeCu) Plating: Gold over Nickel Features ➭ Clamshell socket for PLCC packages Applicable Socket Dimensions (Reference Only) Outline Socket Dimensions YAMAICHI ELECTRONICS - Munich 089 / 45109-0 C D B A Part Number Pin Count Pitch A B C (open) D (closed) IC51-0204-602 IC51-0284-399 IC51-0324-453 IC51-0444-400 IC51-0524-411-1 IC51-0684-390-1 IC51-0844-401-1 IC51-1004-405-1 IC51-1244-410-1 20 28 32 44 52 68 84 100 124 1.27 1.27 1.27 1.27 1.27 1.27 1.27 1.27 1.27 31.5 36.0 35.0 40.0 43.0 49.0 55.0 60.6 65.0 26.0 30.0 30.0 34.0 38.0 42.0 48.0 54.0 60.0 10.0 10.0 9.0 10.0 10.0 10.0 10.0 10.0 10.0 20.0 20.5 19.5 20.0 23.5 23.5 23.5 23.5 23.5 SPECIFICATIONS ARE SUBJECT TO ALTERATION WITHOUT PRIOR NOTICE – DIMENSIONS IN MILLIMETER IC51 Series (Clamshell) Plastic Lead Chip Carrier (PLCC) Top View from Socket Recommended PCB Layouts (20 to 52 pins) 20 pins IC51-0204-602 Open Socket & PCB Orientation 44 pins IC51-0444-400 20–∅0.8 4- 1.27x10=12.7±0.1 8.4±0.05 1.27±0.05 4–∅3.2 25.0±0.1 18.0±0.1 1.27±0.05 4- 1.27x4=5.08±0.1 15.0±0.1 4–∅3.2 2.54±0.05 9.15±0.1 44–∅0.8 2.54±0.05 6.35±0.05 28 pins 1.27±0.05 5.8±0.05 16.8±0.1 2.54±0.05 4- 1.27x6=7.62±0.1 4–∅3.2 52 pins 10±0.05 20.0±0.1 2.54±0.05 IC51-0284-399 IC51-0524-411-1 3.81±0.05 5.08±0.05 1.27±0.05 14.2±0.1 2.54±0.05 52–∅0.8 7.62±0.05 2.54±0.05 19.4±0.1 2.54±0.05 32–∅0.8 2.54±0.05 Munich 089 / 45109-0 YAMAICHI ELECTRONICS 22.0±0.1 4–∅3.2 27.0±0.1 IC51-0324-453 1.27±0.05 32 pins 4–∅3.2 2.54±0.05 9.7±0.05 11.6±0.1 2- 1.27x8=10.16±0.1 2.54±0.05 4- 1.27x12=15.24±0.1 28–∅0.8 3.81±0.05 2-1.27x6=7.62±0.1 2.54±0.05 11.7±0.1 2.54±0.05 SPECIFICATIONS ARE SUBJECT TO ALTERATION WITHOUT PRIOR NOTICE – DIMENSIONS IN MILLIMETER Plastic Lead Chip Carrier (PLCC) Top View from Socket Recommended PCB Layouts (68 to 124 pins) 17.3±0.05 44.0±0.1 4–∅3.2 100–∅0.8 68–∅0.8 15.24±0.05 10.61±0.05 IC51-1244-410-1 50.0±0.1 4–∅3.2 21.1±0.05 1.27±0.05 14.7±0.05 19.0±0.05 2.54±0.05 84–∅0.8 124–∅0.8 12.7±0.05 19.05±0.05 YAMAICHI ELECTRONICS - 38.0±0.1 124 pins 34.6±0.1 1.27±0.05 IC51-0844-401-1 4–∅3.2 Munich 089 / 45109-0 2.54±0.05 2.54±0.05 25.0±0.05 84 pins 24.4±0.1 4- 1.27x20=25.4±0.1 2.54±0.05 4- 1.27x24=30.48±0.1 IC51-1004-405-1 22.0±0.05 1.27±0.05 12.2±0.05 16.0±0.05 32.0±0.1 4–∅3.2 100 pins 1.27±0.05 IC51-0684-390-1 4- 1.27x16=20.32±0.1 68 pins 4- 1.27x30=38.1±0.1 IC51 Series (Clamshell) Open Socket & PCB Orientation 2.54±0.05 29.4±0.1 2.54±0.05 2.54±0.05 42.2±0.1 2.54±0.05 SPECIFICATIONS ARE SUBJECT TO ALTERATION WITHOUT PRIOR NOTICE – DIMENSIONS IN MILLIMETER