Aries Electronics 2.54mm Pitch Vertical 28 Way, SMT Open Frame IC Dip Socket, 3A

Open frame allows for more efficient utilization of board space and better cooling. Compatible with automatic insertion equipment. Side-to-side and end-to-end stackable.

Body material is black UL 94V-0 Glass-Filled 4/6 Nylon
Pin body is Brass Alloy 360 1/2 hard per UNS C36000 ASTMB16-000
4-fingered collet contact is Beryllium Copper Alloy per UNS C17200 ASTM-B194-01.
Insertion Force=180 grams/pin; Withdrawal Force=90 grams/pin;
Normal Force=140 grams/pin; based on a .018 [.46] diameter test lead.
Accepts leads .015-.025 mm diameter, 2.54-3.18 mm long.
Suggested PCB pad size=1.60 mm diameter