Model 600155 µHELIX^® Test Probes

Ordering Part Number	600155
Descriptive Model Name	S200*2300/300/20@150/S1000r.Au/S0a.Au
material	body (tube/coil component): 304SS plunger: SS20AP Steel i/o end: 304SS
length	body: 2300 µm (0.091 inches) plunger: 1000 µm (0.039 inches) i/o end: 0 µm (0 inches)
Length Over All (LOA)	3300 µm (0.13 inches)
alternate lengths	See Probe Group S200*2300-P1 or contact AlphaTest Corporation
diameter	body: 203 µm (0.008 inches) plunger: 140 µm (0.006 inches) i/o end: 203 µm (0.008 inches)
plunger tip shape	rounded
alternate probe-tip shape	See Probe Group S200*2300-P1 or contact AlphaTest Corporation
i/o end tip shape	annular
alternate I/o end tip shape	See Probe Group S200*2300-P1 or contact AlphaTest Corporation
spring type	rectangular helix integral to tube
spring force	20 grams at 150 µm (0.7 oz @ 0.006 inches)
spring compliance	300 µm (0.012 inches) maximum 150 µm (0.006 inches) recommended
alternate probe-force and compliance	See Probe Group S200*2300-P1 or contact AlphaTest Corporation
plating	body: 35 µinches Type II Gold plunger: 35 µinches Type II Gold i/o end: 35 µinches Type II Gold Contact AlphaTest Corporation for other plating
lubricant	none: gold on gold wiping contact
probe resistance	< 100 milliohms
µHELIX® spring life	> 106cycles at recommended compression
installed pointing accuracy	drill accuracy ±20 µm (0.0008 inch)
INSTALLATION NOTES:
probe-guide drill size	#88; 241 µm (0.0095 inches)
plunger-guide drill size	#96; 160 µm (0.0063 inches)

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