Model 600525 µHELIX®Test Probes
| Ordering Part Number | 600525 |
| Descrpitive Model Name | S500*5500/900/30@450/B1300c4.Au/S1300r.Au |
| material | body (spring & coil component): 304SS Plunger: BeCu, Beryllium Copper Pin2: SS20AP Steel |
| length | body: 5500 µm (0.217 inches) Plunger: 1300 µm (0.051 inches) pin2: 1300 µm (0.051 inches) |
| Length Over All (LOA) | 8100 µm (0.319 inches) |
| alternate lengths | Inquire to AlphaTest for other plunger/pin2 lengths) |
| diameter | body: 508 µm (0.02 inches) plunger: 356 µm (0.014 inches) pin2: 356 µm (0.014 inches) |
| plunger tip shape | 4-point crown |
| pin2 tip shape | rounded |
| alternate plunger & pin2 tip shapes | See Probe Group S500*5500-P2 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 & pin2: 35 µinches Type II Gold Contact AlphaTest for other plating. |
| lubricant between plunger and probe body | none: gold on gold wiping contact |
| probe resistance | < 100 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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