Model 600614 µHELIX®Test Probes

Ordering Part Number	600614
Descriptive Model Name	S500*3800/900/30@450/B1900c4/S-635a
application	testing loaded substrate or loaded fine-pitch pcb This probe has a longer plunger than S500*3800-P1 Group in general For greater travel (compression) see the S500*4500 and the S500*6350 Groups
material	tube & spring (body): 304SS plunger: hardened BeCu i/o end: 304SS
length	body: 3800 µm (0.150 inches) plunger: 1900 µm (0.051 inches)
Length Over All (LOA)	5,70 mm (0.224 inches)
Alternate Lengths	3,05 mm LOA, S500*2440-P1 Group  5,60 mm LOA, S500*3000-P2 Group  6,40 mm LOA, S500*3800-P2 Group  7,10 mm LOA, S500*4500-P2 Group  8,00 mm LOA, S500*5500-P2 Group  8,25 mm LOA, S500*6350-P1 Group 10,15 mm LOA, S500*6350-P2 Group
diameter	body: 508 µm (0.020 inches) plunger: 356 µm (0.014 inches) i/o end: 432 µm (0.017 inches) i/o contact: 275 µm (0.011 inches)
minimum center-center spacing	592 µm (0.023 inches)
plunger tip shape: 4-point crown
alternate plunger tip shapes	Inquire to AlphaTest Reference these models: sharp, Model 600262 round, Model 600263 flat, Model 600264
i/o contact shape: annular ring
alternate i/o contact	Inquire to AlphaTest
spring type	rectangular helix integral to tube
spring force	30 grams (1.1 oz) at 450  µm
alternate force	Inquire to AlphaTest Reference Modle 600365 with 100g@350 µm
spring compliance	900 µm (0.035") maximum 450 µm (0.018 inches) typical
plating	body: 35 µinches Type II Au over Ni flash plunger: 35 µinches Type II Au over Ni flash
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 µm (0.0008")
INSTALLATION NOTES:
probe-guide drill size	#74; 572 µm (0.0225")
plunger-guide drill size	1/64"; 397 µm (0.0156")
i/o end keeper plate guide hole drill size	#76; 508 µm (0.020")