Model 600759 µHELIX®Test Probes
| Ordering Part Number | 600759 |
| Descriptive Model Name | S500*5500/900/30@450/S1300f.Au/S0a.Au |
| material | body (spring & coil component): 304SS Plunger: SS20AP Steel I/o end: SS20AP Steel |
| length | body: 5500 µm (0.217 inches) Plunger: 1300 µm (0.051 inches) I/o end: 0 µm (0 inches) |
| Length Over All (LOA) | 6800 µm (0.268 inches) |
| alternate lengths | Inquire to AlphaTest for other plunger/i/o end lengths) |
| diameter | body: 508 µm (0.02 inches) Plunger: 356 µm (0.02 inches) I/o end: 508 µm (0.02 inches) |
| plunger tip shape | flat |
| pin2 tip shape | annular |
| alternate plunger & i/o end tip shapes | See Probe Group S500*5500-P1 or contact AlphaTest |
| spring type | rectangular helix integral to tube |
| spring force | 30 grams at 450 µm (1.1 oz@0.018) inches |
| spring compliance | 900 µm (0.035 inches) maximum 450 µm (0.018 inches) recommended |
| plating | body: 35 µinches Type II Gold Plunger & i/o end: 35 µinches Type II Gold Contact AlphaTest for other plating. |
| lubricant between plunger and probe body | none: gold on gold wiping contact |
| probe resistance | < 115 milliohms |
| μHELIX® spring life | > 106cycles at recommended compression |
| installed pointing accuracy | drill accuracy ±20 µm (0.0008 inch) |
| INSTALLATION NOTES: | |
| probe-guide drill size | #74; 572 µm (0.0225 inches) |
| plunger-guide drill size | 1/64 inch; 397 µm (0.0156 inches) |
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