Model 600560 µHELIX®Test Probes
| Ordering Part Number | 600560 |
| Descriptive Model Name | S300*2050/400/20@200/B450c4.Au/S0a.Au |
| material | body (spring & coil component): 304SS Plunger: BeCu, Beryllium Copper I/o end: SS20AP Steel |
| length | body: 2050 µm (0.081 inches) Plunger: 450 µm (0.018 inches) I/o end: 0 µm (0 inches) |
| Length Over All (LOA) | 2500 µm (0.098 inches) |
| alternate lengths | Inquire to AlphaTest for other plunger/i/o end lengths) |
| diameter | body: 305 µm (0.012 inches) Plunger: 221 µm (0.009 inches) I/o end: 305 µm (0.012 inches) |
| plunger tip shape | 4-point crown |
| pin2 tip shape | annular |
| alternate plunger & i/o end tip shapes | See Probe Group S300*2050-P1 or contact AlphaTest |
| spring type | rectangular helix integral to tube |
| spring force | 20 grams at 200 µm (0.7 oz@0.008) inches |
| spring compliance | 400 µm (0.016 inches) maximum 200 µm (0.008 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 | < 65 milliohms |
| μHELIX® spring life | > 106cycles at recommended compression |
| installed pointing accuracy | drill accuracy ±20 µm (0.0008 inch) |
| INSTALLATION NOTES: | |
| probe-guide drill size | #80; 343 µm (0.0135 inches) |
| plunger-guide drill size | #88; 241 µm (0.0095 inches) |
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