Model 600555 µHELIX®Test Probes
| Ordering Part Number | 600555 |
| Descriptive Model Name | S300*2300/250/60@125/S350f.Au/S-508c4.Au |
| material | body (tube/coil component): 304SS Plunger: SS20AP Steel I/o end: 304SS |
| length | body: 2300 µm (0.091 inches) Plunger: 350 µm (0.014 inches) I/o end: -508 µm (-0.02 inches) |
| Length Over All (LOA) | 2650 µm (0.104 inches) |
| alternate lengths | See Probe Group S300*2300-P1 or contact AlphaTest |
| diameter | body: 305 µm (0.012 inches) Plunger: 221 µm (0.009 inches) I/o end: 254 µm (0.01 inches) |
| plunger tip shape | flat |
| i/o end tip shape | 4-point crown |
| alternate plunger tip shapes | See Probe Group S300*2300-P1 or contact AlphaTest |
| alternate i/o end tip shapes | See Probe Group S300*2300-P1 or contact AlphaTest |
| spring type | rectangular helix integral to tube |
| spring force | 60 grams at 125 µm (2.1 oz@0.005 inches) |
| spring compliance | 250 µm (0.01 inches) maximum 125 µm (0.005 inches) recommended |
| plating | body: 35 µinches Type II Gold Plunger: 35 µinches Type II Gold I/o end: 35 µinches Type II Gold Contact AlphaTest for other plating. |
| lubricant | none: gold on gold wiping contact |
| probe resistance | < 75 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; 240 µm (0.0094 inches) |
| i/o end-guide drill size | #83; 305 µm (0.012 inches) |
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