microHELIX Test
Probes your fine-pitch

Model 600226 Test Probe



Model 600226 µHELIX®

Ordering Part Number 600226
Descriptive Model Name S400*3800/900/30@450/S1300s.Au/S0a.Au
material body (spring & coil 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 See Probe Group S400*3800-P1
or contact
diameter body: 406 µm (0.016 inches)
Plunger: 320 µm (0.016 inches)
i/o end: 406 µm (0.016 inches)
plunger tip shape sharp (90° cone)plunger tip
pin2 tip shape annulari/o end
alternate plunger tip shapes See Probe Group S400*3800-P1
or contact
alternate i/o end tip shapes Contact
spring type rectangular helix integral to tube
spring force 30 grams at 450 µm (1.1 oz@0.018) inches
See higher force probes at S400*3800-P1
spring compliance 900 µm (0.035 inches) maximum
450 µm (0.018 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)

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