microHELIX Test
Probes your fine-pitch

Model 600237 Test Probe



Model 600237 HELIX

Ordering Part Number 600237
Descrpitive Model Name S400*6350/1200/60@600/S1900f.Au/S0a.Au
material body (spring & coil component): 304SS
Plunger: SS20AP Steel
I/o end: SS20AP Steel
length body: 6350 m (0.25 inches)
Plunger: 1900 m (0.075 inches)
I/o end: 0 m (0 inches)
Length Over All (LOA) 8250 m (0.325 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 flatplunger tip
pin2 tip shape annulari/o end
alternate plunger & i/o end tip shapes See Probe Group S400*6350-P1 or contact
spring type rectangular helix integral to tube
spring force 60 grams at 600 m (2.1 oz@0.024) inches
spring compliance 1200 m (0.047 inches) maximum
600 µm (0.024 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
μHELIX® spring life > 106cycles at recommended compression
installed pointing accuracy drill accuracy 20 m (0.0008 inch)
probe-guide drill size #77; 457 m (0.018 inches)
plunger-guide drill size #80; 343 m (0.0135 inches)

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