The Cutting Edge of Technology

QA is pleased to introduce our New 81 Steel Razor
Faced with the challenges of making contact through today’s problem processes more...

Click to download PDF

The Next Generation of Hyperboloid Contacts

Click to download PDF

	X75-40 Series Probe P/N X75-PR 40 - Example:X75-PRP4003L Letter Material Average Resistance @ 250 mV P Nickel silver/ID precious metal clad 14 milliohms Available Point Styles 03 14 34 53 53 04 18 40 54 05 61 06 70 07 71 08 19 41 81 09 22 43 94 10 24 44   13 30 49   Heat-treated BeCu/plated gold over nickel   Letter Spring Force Preload @.317 [8.05] Stroke Material Fatigue Life [Cycles @ Stroke] L Low 0.8 [23] 3.0 [85] Music wire 1M min @ .317 [8.05] max X Extra High 1.5 [43] 5.7 [162] Music wire 100K min @ .317 [8.05] max U Ultra High 4.5 [128] 8.1 [230] Music wire 10K min @ .317 [8.05] max Letter Description D Decreased stroke, full stroke = .250 [6.35]. Must select spring from X75-25 Series (L, S, H, or X) with this option. N No probe lubrication (Removing probe lubrication greatly reduces cycle life. Unlubricated probes are recommended only for low temperature applications) S Heat-treated steel/plated gold over nickel (see Point Styles for availability) No option required Recommended drill hole sizes for AT7000, FR4/G10 or similar material: Probe Plate:.0545/.0555 [1.384/.1.409] All specifications subject to change without notice. All dimensions are in inches [mm]. All spring forces in ounces [gms].