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  3. Socketless X Probes
  4. X39-16 Series Probes

X39-16 Series | .039 [1.00] Centers | .160 [4.06] Full Stroke

Designed for loaded board testing.

 

39mil 160 Stroke Socketless Probe for loaded board testing

Spring Force

spring force chart

Probe Selection


QA Technology offers many combinations of probes. You can build your probe by selecting the tube style, tip style and spring force for your specific application.

If you have questions at any time during the process, contact us at (603) 926-0348.



P/N X39-PR P16
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NOTE: Not all combinations are available. Please verify your part number to be sure it is valid.
If you need assistance, please call 603-926-0348.

Begin building your part number.

NOTE: P has already been selected for you as the default tube material.
      Current Rating1
Letter Material Average Resistance SS @ 204°C
 P Nickel silver/ID precious metal clad < 42 milliohms 6.2 Amps
Next: Choose your Tip Material.
NOTE: Your tip material is automatically coded for you based on your choice of tip style.
Digits Description
 S SteelHeat treated Steel/gold plated over nickel.
 B Heat treated BeCu/gold plated over nickel.
Select your tip style.
Use the drop-down menu at right to filter your choices by target type.
NOTE: Your plunger length is automatically coded for you based on your choice of tip style.
Letter Tip Style Availability Overall Probe Length (A) Plunger Length (B)
 H 39, 44 .870 [22.10] .220 [5.59]
 P 43, 63, 6R, 8R, 9R .930 [23.62] .280 [7.11]
Next: Choose your Spring Force.
Select your spring force.
Letter Spring Force Preload @ .107 [2.72]
Stroke		 Material Cycle Life @
.107 [2.72] Stroke
 L Low 0.8 [23g/0.22N] 3.0 [85g/0.83N] SS 300,000
 S Standard 0.8 [23g/0.22N] 4.5 [128g/1.25N] SS 300,000
 H High 1.0 [28g/0.28N] 6.0 [170g/1.67N] SS 50,000
Next: Choose applicable Options.
Select your option (if required).
Letter Description
 N No probe lubrication. Removing probe lubrication greatly reduces cycle life and should only be used in applications requiring operating temperatures below -45°C.
You may add your Part Number to your Order.
 

1Current Rating is affected by spring material and lubrication choices. Standard lubrication has a 204°C maximum operating temperature limit.
Before using probes near these current limits, please refer to Current Carrying Capacity and Operating Temperature Application Notes.

2Maximum plunger OD should be used to calculate minimum guide plate clearance holes.

All specifications subject to change without notice. All dimensions are in [mm]. All spring forces are oz [gm/newtons]. US Patent No. 6,570,399 and 4,885,533