The CSP/MicroBGA test and burn-in sockets for devices up to 27 mm are now available with an optional adjustable pressure pad that features a 0.254-mm displacement per revolution of the screw. Each pressure pad comes with a user-adjustable removable washer stack, available in 0.0265- or 0.254-mm increments, that serves as a hard stop to eliminate device over-compression.
Contact forces are 15 g per contact on a 0.30 to 0.35-mm pitch; 16 g per contact on a 0.40 to 0.45-mm pitch and 25 g per contact on pitches of 0.50 mm or larger. Operating temperature is 55° to 150°C, and estimated contact life is a minimum of 500,000 cycles. ($60 per pad — 4 to 6 weeks ARO.)
Aries Electronics , Bristol , PA
Information 215-781-9956
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