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...

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The Next Generation of Hyperboloid Contacts

QA Technology is pleased to introduce our new integraMate ICO Series of hyperboloid contacts.
Ideal for high density, ultra reliable connectors used in mil/aerospace electronics, more...

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	075-25 Series High Preload Probe P/N 075-PR 25 - Example: 075-PRP2503H-S Letter Material Average Resistance @ 250 mV P Nickel silver/ID precious metal clad 16 milliohms Available Point Styles 43 63 44 91 61   Standard material is heat-treated BeCu/plated gold over nickel (see S option for steel plunger) Letter Spring Force Preload @ 2/3 Stroke Material Fatigue Life (Cycles @ Stroke) L Low 1.5 [43] 3.1 [88] Music Wire 1M min @ .167 [4.24] max S Standard 2.7 [77] 5.5 [159] Music Wire 1M min @ .167 [4.24] max H High 2.8 [79] 7.0 [198] Music Wire 1M min @ .167 [4.24] max X Extra High 2.7 [77] 10.1 [286] Music Wire 100K min @ .167 [4.24] max High Preload Spring E High Preload 5.0 [142] 8.0 [227] Stainless Steel 50K min @ .167 [4.24] max Letter Description   S Heat-treated steel/plated gold over nickel (see points for availability) All specifications subject to change without notice. All dimensions are in inches [mm]. All spring forces in ounces [gms].