The S-0 series board test spring probes are designed for use with R-0 series receptacles. These probes have a center-to-center spacing of 0.050 inches (1.27 mm) and are available with different tip styles and spring forces.
Probe Specifications:
Minimum centers: 0.050 inches (1.27 mm)
Current rating: 3 A continuous
Spring force options: 2.20 oz (62 g), 2.50 oz (71 g), or 3.70 oz (105 g)
Travel: 0.070 inches (1.78 mm) preload force
Typical resistance: 35 mΩ
Maximum travel: 0.100 inches (2.54 mm)
Working travel: 0.070 inches (1.78 mm)
MATERIALS
Barrel: Nickel silver, gold plated; Beryllium copper, gold plated; music wire, or stainless steel, gold plated
Plunger: Beryllium copper, gold plated; gold plated over nickel, or DuralloyTM
Manual:
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Pricing & Distributors: https://www.datasheets360.com/part/detail/s-0-es-2-2-g/6279611338920993947/