microHELIX Test
Probes your fine-pitch
connection

Model 600542 Test Probe

 

 

Model 600542 HELIX®

Ordering Part Number 600542
Descriptive Model Name S300*3800/700/30@350/B1300c4.Au/S-508a.Au
material body (tube/coil component): 304SS
Plunger: BeCu, Beryllium Copper
I/o end: 304SS
length body: 3800 m (0.15 inches)
Plunger: 1300 m (0.051 inches)
I/o end: -508 m (-0.02 inches)
Length Over All (LOA) 5100 m (0.201 inches)
alternate lengths See Probe Group S300*3800-P1
or contact
diameter body: 305 µm (0.012 inches)
Plunger: 221 µm (0.009 inches)
I/o end: 254 µm (0.01 inches)
plunger tip shape 4-point crownplunger tip
i/o end tip shape annulari/o end
alternate plunger tip shapes See Probe Group S300*3800-P1
or contact
alternate i/o end tip shapes See Probe Group S300*3800-P1
or contact
spring type rectangular helix integral to tube
spring force 30 grams at 350  m (1.1 oz@0.014 inches)
spring compliance 700 m (0.028 inches) maximum
350 µm (0.014 inches) recommended
plating body: 35 µinches Type II Gold
Plunger: 35 µinches Type II Gold
I/o end: 35 µinches Type II Gold
Contact for other plating.
lubricant none: gold on gold wiping contact
probe resistance < 65 milliohms
μHELIX® spring life > 106cycles at recommended compression
installed pointing accuracy drill accuracy ±20 m (0.0008 inch)
INSTALLATION NOTES:
probe-guide drill size #80; 343 m (0.0135 inches)
plunger-guide drill size #88; 240 m (0.0094 inches)
i/o end-guide drill size #83; 305 m (0.012 inches)

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