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: -55 degrees C to + 150 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: 50 mOHMS, with a standard deviation of <7 mOHMS at 25 mA test current

Spring Force +/- 20% in oz. (gram)
Spring Type Dash Number Preload 2/3 Travel
Standard as shown 1.1 (31) 2.5 (71)
Alternate -1 1.3 (37) 4.5 (128)
To order, add dash number to Model Number.
Optional spring forces and materials are available.

Materials and Finishes

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

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