microHELIX Test
Probes your fine-pitch

Model 600218 Test Probe



Model 600218 µHELIX®

Ordering Part Number 600218
Descriptive Model Name S400*3800/700/80@350/S1300r.Au/S0a.Au
material body (tube & spring component): 304SS
Plunger: SS20AP Steel
i/o end: SS20AP Steel
length body: 3800 µm (0.15 inches)
Plunger: 1300 µm (0.051 inches)
i/o end: 0 µm (0 inches)
Length Over All (LOA) 5100 µm (0.201 inches)
alternate lengths Inquire to for other plunger/i/o end lengths)
diameter body: 406 µm (0.016 inches)
Plunger: 320 µm (0.016 inches)
i/o end: 406 µm (0.016 inches)
plunger tip shape roundedplunger tip
pin2 tip shape annulari/o end
alternate plunger & i/o end tip shapes See Probe Group S400*3800-P1 or contact
spring type rectangular helix integral to tube
typical spring force 80 grams at 350 µm (2.8 oz@0.014) inches
spring compliance 625 µm (0.025 inches) maximum
350 µm (0.014 inches) recommended
plating body: 35 µinches Type II Gold
plunger & i/o end: 35 µinches Type II Gold
Contact for other plating.
lubricant between plunger and probe body none: gold on gold wiping contact
probe resistance < 60 milliohms
continuous current > 2 Amps
µHELIX® spring life > 106cycles at recommended compression
installed pointing accuracy drill accuracy ±20 µm (0.0008 inch)
probe-guide drill size #77; 457 µm (0.018 inches)
plunger-guide drill size #80; 343 µm (0.0135 inches)

AlphaTest Home faq Products Contact register Valid XHTML 1.0     Transitional