Model 600699 µHELIX®Test Probes
| Ordering Part Number | 600699 |
| Descriptive Model Name | S500*3000/650/30@325/B800c4/S0a |
| material | tube & spring (body): 304SS Plunger: BeCu, Beryllium Copper i/o end: Insulated copper wire |
| length | body: 3000 µm (0.118 inches) plunger: 800 µm (0.031 inches) |
| Length Over All (LOA) | 3,80 mm (0.150 inches) |
| Alternate Lengths in S500 Series (µHELIX® probes with 20 mill diameter) |
3,05 mm LOA, S500*2440-P1 Group 3,80 mm LOA, S500*3000-P1 Group 5,10 mm LOA, S500*3800-P1 Group 7,10 mm LOA, S500*4500-P2 Group 8,10 mm LOA, S500*5500-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 |
| diameter | body: 508 µm (0.020 inches) plunger: 356 µm (0.014 inches) i/o end: 508 µm (0.020 inches) i/o wire: 254 µm (0.010 inches) |
| plunger tip shape: 4-point crown |  |
| alternate plunger tip shapes | sharp, Model 600696 round, Model 600697, flat, Model 600698 |
| i/o connection: Insulated copper wire, 254 µm diameter |  |
| alternate i/o contact in S500*3000-P1 Group | 
600445: annular contact |
| spring type | rectangular helix integral to tube |
| spring force | 30 grams (1.1 oz) at 325 µm (0.013") |
| alternate force | Contact AlphaTest) |
| spring compliance | 650 µm (0.026") maximum 325 µm (0.013 inches) recommended |
| plating | body: 35 µinches Type II Gold plunger: 35 µinches Type II Gold For other plating, contact AlphaTest. |
| lubricant between plunger and probe body | none: gold on gold wiping contact |
| probe resistance | < 30 milliohms |
| μHELIX® spring life | > 106 cycles at recommended compliance |
| 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 wire clearance hole drill size | 1/64"; 397 µm (0.0156") |
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