Kelvin (4-Wire) Test Probes · F835
F835 Kelvin Probe
F835 is a Kelvin probe series in the EMSGLOB range, listed under F835. It suits a minimum pitch of 3.50 mm / 138 mil, is 36.3 – 45.5 mm long overall and offers 4 mm of working travel.
On the electrical side you get a rated current of 10 A and a typical resistance of 20 mΩ. There are 9 catalogue part numbers in this series, covering 2 tip or head styles such as 05, Concave stepped. The plunger is beryllium copper with gold plating, and the barrel is brass with gold plating.
Specifications
| Pitch | 3.50 mm / 138 mil |
|---|---|
| Barrel diameter | 2.65 mm |
| Collar diameter | 3.2 mm |
| Plunger material | Beryllium copper |
| Plunger plating | Gold |
| Barrel material | Brass |
| Barrel plating | Gold |
| Spring material | Spring steel |
| Spring plating | Silver |
| Nominal travel | 4 mm |
| Continuous current | 10 A |
| Typical contact resistance | 20 mΩ |
| Impedance | 50 Ω |
| Frequency | 2 GHz |
| Thread | M2,5 |
| Tool size | 2.6 mm |
| Total length (range) | 36.3 – 45.5 mm |
| Protrusion height (range) | 9 – 10.5 mm |
| Tip style diameter (range) | 2.17 – 3.5 mm |
| Tip style diameter 2 (range) | 0.45 – 0.64 mm |
| Press ring diameter | 3.2 mm |
| Preload (range) | 30 – 80 cN |
| Preload 2 (range) | 15 – 50 cN |
| Spring force (range) | 70 – 300 cN |
| Spring force 2 (range) | 50 – 110 cN |
| Nominal travel 2 | 4 mm |
| Maximum travel (range) | 4.5 – 5 mm |
| Maximum travel 2 | 5 mm |
| Continuous current 2 | 2 A |
| Typical contact resistance 2 | 120 mΩ |
| Inside/outside distance (range) | -1.9 – -0.4 mm |
Values as listed for this series. Confirm the exact data for your part number with your quotation.
Applications
- Four-wire (Kelvin) resistance measurement
- Low-resistance measurement on shunts, joints and power paths
- Battery and power component testing
- Measurement where contact resistance would distort the result
Part numbers (9)
| Part number | Tip style | Tip style diameter | Spring force | Preload | Total length | Protrusion height |
|---|---|---|---|---|---|---|
| F83500B0008G070 | 05 – Concave stepped | 2.66 mm | 70 cN | 30 cN | 36.3 mm | 9 mm |
| F83505B0005G120 | 05 | 3.5 mm | 70 cN | 30 cN | 45 mm | 10.2 mm |
| F83505B0006G120 | 05 | 3.2 mm | 70 cN | 30 cN | 45.5 mm | 10.5 mm |
| F83509B0001G180 | 05 | 2.17 mm | 70 cN | 30 cN | 44.8 mm | 10.2 mm |
| F83511B0003G120 | 05 | 2.66 mm | 70 cN | 30 cN | 43.8 mm | 9 mm |
| F83511B0003G350 | 05 | 2.66 mm | 300 cN | 80 cN | 43.8 mm | 9 mm |
| F83511B0009G120 | 05 | 2.75 mm | 70 cN | 30 cN | 43.8 mm | 9 mm |
| F83512B0004G120 | 05 | 3.2 mm | 70 cN | 30 cN | 44 mm | 9.2 mm |
| F83516B0001G410 | 05 | 2.17 mm | 300 cN | 80 cN | 44.8 mm | 10 mm |
FAQ
What pitch and length is F835?
F835 has a pitch of 3.50 mm / 138 mil, total length of 36.3 – 45.5 mm and protrusion height of 9 – 10.5 mm. The full dimension list is in the specification table on this page.
How much current can F835 carry?
The rated continuous current is 10 A, with a typical resistance of 20 mΩ.
Which part numbers and tip styles are available for F835?
9 part numbers are listed, for example F83500B0008G070, F83505B0005G120, F83505B0006G120. Tip or head styles include 05, Concave stepped. The table on this page lists every part number with its tip and spring data.
How do I get a price or sample for F835?
Send the part number, quantity and your application to sales@emsglob.com or call +91-7383235369, or use the enquiry form on the contact page. Prices are quoted per enquiry.
Enquire / Request a quote
Tell us the F835 part number, the quantity and your pitch, travel and current requirements, and the EMSGLOB team will reply with availability and a quotation. Drawings in STEP, IGES, PDF, DWG, DXF or ZIP are welcome.