| Ordering Part Number | 600263 |
| Descriptive Model Name | S500*3800/900/30@450/S1300r/S0a |
| material | tube & spring (body): 304SS Plunger: SS20AP tool steel i/o end: 304SS |
| length | body: 3800 µm (0.150 inches) plunger: 1300 µm (0.051 inches) |
| Length Over All (LOA) | 5,10 mm (0.201 inches) |
| Alternate Lengths in S500 Series (µHELIX® probes with 20 mil 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 (0.029 inches) i/o contact: 275 µm (0.011 inches) |
| plunger tip shape: radiused | 
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| alternate plunger tip shapes | Model 600262 with sharp tip Model 600264 with flat tip Model 600303 4-point crown |
| i/o probe-end shape: annular ring | 
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| alternate i/o contact | Contact AlphaTest Corporation |
| spring type | rectangular helix integral to tube |
| spring force | 30 grams (1.1 oz) at 450 µm |
| alternate force | Model 600254 (90g@350µm) |
| 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 | < 40 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") |
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