Step Probes · F175SP, F176SP
F175SP Step Probe
F175SP is a step probe series in the EMSGLOB range, listed under F175SP, F176SP. It is laid out for 1.90 mm / 75 mil centre spacing, is 33.8 – 40.2 mm long overall and offers 2.4 – 4.3 mm of working travel.
On the electrical side you get a rated current of 4 A, a typical resistance of 20 mΩ and an operating range of -45 °C to +100 °C. There are 18 catalogue part numbers in this series, covering 3 tip or head styles such as 11, 12, 16. The plunger is beryllium copper with gold plating, and the barrel is brass with gold plating.

Specifications
| Structure | Step Probe |
|---|---|
| Pitch | 1.90 mm / 75 mil |
| Operating temperature | -45 °C to +100 °C |
| Barrel diameter | 1 mm |
| Plunger material | Beryllium copper |
| Plunger plating | Gold |
| Barrel material | Brass |
| Barrel plating | Gold |
| Spring material | Spring steel |
| Spring plating | Silver |
| Pointing accuracy | ± 0.08 mm |
| Continuous current | 4 A |
| Typical contact resistance | 20 mΩ |
| Thread | M1 |
| Total length (range) | 33.8 – 40.2 mm |
| Protrusion height (range) | 7.8 – 14.2 mm |
| Tip style diameter (range) | 0.4 – 1.1 mm |
| Press ring diameter | 1.4 mm |
| Collar diameter | 1.4 mm |
| Preload (range) | 30 – 70 cN |
| Spring force (range) | 60 – 150 cN |
| Nominal travel (range) | 2.4 – 4.3 mm |
| Maximum travel (range) | 3 – 6.4 mm |
| A – pin diameter (range) | 0.4 – 1.1 mm |
| B – plate diameter (range) | 0.9 – 1.6 mm |
| C – pin length (range) | 0.6 – 5.1 mm |
| Tool size | 1 mm |
Values as listed for this series. Confirm the exact data for your part number with your quotation.
Applications
- Contacting at two different heights
- Holding down or positioning parts during testing
- Threaded fixture designs
- ICT and FCT fixtures with special mechanical needs

Part numbers (18)
| Part number | Tip style | Tip style diameter | Spring force | Preload | Total length | Nominal travel |
|---|---|---|---|---|---|---|
| F17511B0002G100SP | 11 | 0.6 mm | 100 cN | 50 cN | 37.1 mm | 4.3 mm |
| F17511B0003G100SP | 11 | 0.6 mm | 100 cN | 50 cN | 37.6 mm | 4.3 mm |
| F17511B0004G100SP | 11 | 0.6 mm | 100 cN | 50 cN | 38.1 mm | 4.3 mm |
| F17511B0005G100SP | 11 | 0.6 mm | 100 cN | 50 cN | 38.7 mm | 4.3 mm |
| F17511B0006G100SP | 11 | 0.6 mm | 100 cN | 50 cN | 39.2 mm | 4.3 mm |
| F17511B0007G100SP | 11 | 0.6 mm | 100 cN | 50 cN | 39.7 mm | 4.3 mm |
| F17511B0008G100SP | 11 | 0.6 mm | 100 cN | 50 cN | 40.2 mm | 4.3 mm |
| F17511B0011G100SP | 11 | 0.5 mm | 100 cN | 50 cN | 36.6 mm | 4.3 mm |
| F17511B0012G150SP | 11 | 0.6 mm | 150 cN | 70 cN | 37.1 mm | 4.3 mm |
| F17511B0013G100SP | 11 | 0.43 mm | 100 cN | 50 cN | 37.6 mm | 4.3 mm |
| F17511B0025G060SPS1 | 11 | 0.4 mm | 60 cN | 43 cN | 33.8 mm | 2.4 mm |
| F17511B0027G060SPS1 | 11 | 0.4 mm | 60 cN | 43 cN | 34.8 mm | 2.4 mm |
| F17511B0029G060SPS1 | 11 | 0.4 mm | 60 cN | 30 cN | 35.8 mm | 2.4 mm |
| F17512B0023G150SPS1 | 12 | 0.6 mm | 150 cN | 70 cN | 35.9 mm | 4.3 mm |
| F17516B0001G150SP | 16 | 1.1 mm | 150 cN | 70 cN | 36.1 mm | 4.3 mm |
| F17516B0009G100SP | 16 | 0.8 mm | 100 cN | 50 cN | 35.7 mm | 4.3 mm |
| F17516B0009G150SP | 16 | 0.8 mm | 150 cN | 70 cN | 35.7 mm | 4.3 mm |
| F17516B0010G150SP | 16 | 0.6 mm | 150 cN | 70 cN | 35.3 mm | 4.3 mm |
FAQ
What pitch and length is F175SP?
F175SP has a pitch of 1.90 mm / 75 mil, total length of 33.8 – 40.2 mm and protrusion height of 7.8 – 14.2 mm. The full dimension list is in the specification table on this page.
How much current can F175SP carry?
The rated continuous current is 4 A, with a typical resistance of 20 mΩ.
Which part numbers and tip styles are available for F175SP?
18 part numbers are listed, for example F17511B0002G100SP, F17511B0003G100SP, F17511B0004G100SP. Tip or head styles include 11, 12, 16. The table on this page lists every part number with its tip and spring data.
What temperature range is F175SP rated for?
F175SP is specified for -45 °C to +100 °C.
How do I get a price or sample for F175SP?
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.
More step probes
Enquire / Request a quote
Tell us the F175SP 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.