Probe Specifications


All dimensions in inches (mm.)

Full Travel: .100 (2,54)
Recommended Working Travel: .067 (1,70)
Mechanical Life (cycles): exceeds 1 x 106 cycles
Operating Temperature:
Standard Spring: -55 degrees C to + 150 degrees C
Alternate Spring: -55 degrees C to + 105 degrees C
Consult factory for other temperature requirements.


Electrical (Static Conditions)
Current Rating: 3 amps maximum continuous current, non-inductive at working travel
Probe Resistance: 35 mOHMS, with a standard deviation of <5 mOHMS at 25 mA test current


Spring Force +/- 20% in oz. (gram)
Spring Type Dash Number Preload 2/3 Travel
Standard as shown .61 (17) 2.8 (79)
Alternate -1 .78 (22) 3.7 (105)
To order, add dash number to Model Number.
Optional spring forces and materials are available.


Materials and Finishes
Plunger:
Finish:
Barrel:

Spring:

 Heat-treated beryllium copper
gold plated over hard nickel
Work-hardened nickel silver, HPA-GOLDTM plated
(I.D. & O.D.) over hard nickel
Standard: Stainless steel, silver plated
Alternate: Music wire, silver plated
The HPA-0 may be used to test bare PCBs on mixed test centers with the HPA-1 and HPA-74 probes.

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