microHELIX Test Probes your fine-pitch connection

Model 600420 Test Probe



Model 600420 HELIX

Ordering Part Number 600420
Descrpitive Model Name S500*2440/400/30@200/S610f/S0a
material tube & spring (body): 304SS
Plunger: SS20AP tool steel
i/o end: 304SS
length body: 2440 m (0.096 inches)
plunger: 610 m (0.024 inches)
Length Over All (LOA) 3,05 mm (0.120 inches)
Alternate Lengths in S500 Series
(HELIX probes with 20 mill diameter)
3,05 mm LOA, S500*2440-P1 Group
3,74 mm LOA, S500*2440-P1 Group
5,10 mm LOA, S500*3800-P1 Group
6.50 mm LOA, Model 600462
7,10 mm LOA, S500*4500-P2 Group
8,25 mm LOA, S500*6350-P1 Group
10,15 mm LOA, S500*6350-P2 Group
10,40 mm LOA, S500*6600-P1 Group
14,10 mm LOA, S500*9500-P2 Group
diameter body: 508 µm (0.020 inches)
plunger: 356 µm (0.014 inches)
i/o end: 508 µm (0.020 inches)
i/o contact: 275 µm (0.011 inches;)
plunger tip shape: flat plunger tip
alternate plunger tip shapes for S500*2440-P1 Group Model 6000354 with sharp tip
Model 600419 with round tip
Model 600407 4-point crown tip
i/o contact: annular ring, 13 µm width i/o end
alternate i/o contact in S500*2440-P1 Group Contact
spring type rectangular helix integral to tube
spring force 30 grams (1.1 oz) at 200  m
spring compliance 400 m (0.016 inches) maximum
200 µm (0.008 inches) recommended
plating body: 35 µinches Type II Gold
plunger: 35 µinches Type II Gold
lubricant between plunger and probe body none: gold on gold wiping contact
probe resistance < 30 milliohms
μHELIX® spring life > 106cycles
installed pointing accuracy drill accuracy 20 m (0.0008")
probe-guide drill size #74; 572 m (0.0225")
plunger-guide drill size 1/64"; 397 m (0.0156")
Recommended i/o end contact pad =>254µm (0.010") Gold plated
Minimum pad size 126µm (0.005")

AlphaTest Home faq Products Contact register