Features of Kelvin Contact

We have spring probes for Kelvin contact, which best suits to use for sensitive and extremely precise test. It is used by contacting to one terminal of semiconductor by two probes. We have 0.3, 0.4 and 0.5mm pitch probe for Kelvin contact.
Specifications of Kelvin Contact
| Catalog/Others | Pitch(mm) | Total Length(mm) | Top Plunger | Spring Force(gf) | Operating Travel(mm) | Life Span(Cycle) | C-RES (ohm)(Average) | Operating(Temp(℃)) | Max Current((A) Continuous) | Bandwidth@-1dB(GHz) | |
| Material | Plating | ||||||||||
| Catalog | 0.3 | 4.5 | BeCu | Au | 15 | 0.3 | 1000K | ≦0.2 | -45~125 | 0.9 | 17.7 |
| Catalog | BeCu | Au Alloy | |||||||||
| Catalog | 0.4 | 3.9 | BeCu | Au | 22 | 0.45 | 1000K | ≦0.05 | -45~125 | 2.7 | 26.5 |
| Catalog | BeCu | Au Alloy | 1.5 | ||||||||
| Catalog | 0.5 | 5.5 | BeCu | Au | 31 | 0.45 | 500K | ≦0.05 | -45~140 | 2.4 | 8.4 |
| Catalog | BeCu | Au Alloy | 1.7 | ||||||||
Pitch 0.25mm × Length 4.15mm
Pitch 0.3mm × Length 4.5mm
Pitch 0.4mm × Length 3.9mm
Pitch 0.5mm × Length 5.5mm