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NEWS

New Probe Extraction Tool PDF

New Elevated "Y" Spring for 75mil & 50mil probes. PDF

New Long Stroke 39mil & 31mil probes for dual level testing. PDF

New Self-Cleaning Slotted Cup tip style for leads, posts or pins. PDF

New 50mil, Long-Stroke Probe Series, 050-R40, for dual-level testing. PDF

New Installation and Extraction Tools with low cost replaceable tips for a quick and easy on-site repair. PDF

QA is pleased to announce the release of our 2012 Catalog. Click here to request a catalog or view as a PDF.

New Center Point
Star Tip Style
We are pleased to expand on our tip selection for solder bead/bump/dome technologies. Our new Center Point Star is the most aggressive for this application. PDF

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X50-40 Series ~ .050 (1.27) Centers, .400 (10.16) Stroke
Probe P/N X50-PR
40
-
Qty: Add to Order / RFQ
View Order / RFQ
Example:X50-PRP4044X
Letter Material / Finish Average Resistance
P
Nickel Silver/ID Precious Metal Clad <35 milliohms

Available Point Styles
03
41
6R
06
43
61
08
71
09
76
13
79
20
8R
24
44
94
28
46
9R
34
53
 
Standard material is heat-treated BeCu/plated gold over nickel (see -S option for steel plungers)

Letter
Spring Force
Preload
@ .317 [8.05] Stroke
Material
Mechanical Life [Cycles @ Stroke]
X
Extra 1.2 [34] 4.3 [122] Stainless
Steel		 500K min @ .317 [8.05] max
U
Ultra 4.1 [116] 9.3 [264] Music wire 10K min @ .317 [8.05] max

Letter Description
D
Decreased stroke is .250 [6.35]. Must select spring from X50-25 Series with this option.
N
No probe lubrication (Removing probe lubrication greatly reduces cycle life and should only be used in applications outside of the probe operating temperature specifications.)
No option required

Recommended drill hole sizes for AT7000 G10/ FR4 or similar material:
Probe plate:.0415/.043 [1.054/1.092]. Suggested drill size #57.
All specifications subject to change without notice. All dimensions are in inches [mm].
All spring forces in ounces [gms].
 
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