20-Position Dual-Row Board-to-Board Receptacle
The contacts are beryllium copper — a spring alloy that retains its normal force after repeated insertion, which matters for maintaining low contact resistance in a mezzanine stack that sees thermal cycling.
SMT Termination and Board-Level Fit
No official pin-compatible alternative is listed by the manufacturer. The base product number 87022 covers the Rib-Cage™ family; any cross-shop candidate must match the 20-position, dual-row, 0.050" pitch, SMT footprint.
