The 772388-399-43-144-10-003000 is a 44-position female socket receptacle connector from Mill-Max Manufacturing Corp.

• Style: Board-to-Board
• Pitch: 0.100" (2.54mm)
• Mounting: Through Hole, Right Angle
• Contact Material: Beryllium Copper
• Contact Finish (Mating): Gold
• Contact Finish (Post): Tin
• Contact Finish Thickness (Mating): 30μin (0.76μm)
• Contact Finish Thickness (Post): 200μin (5.08μm)
• Current Rating: 3A
• Temperature Range: -55°C ~ 125°C
• Insulation Material: Polycyclohexylenedimethylene Terephthalate (PCT), Polyester
• Material Flammability Rating: UL94 V-0
• Insulation Height: 0.100" (2.54mm)
• ECCN: EAR99
• Country of Origin: United States of America
• Packaging: Bulk
• Standard Package: 1