ICT/FCT Spring Test Probes · F175, F176
F175 ICT/FCT Test Probe
F175 is an ICT/FCT test probe series in the EMSGLOB range, listed under F175, F176. It is laid out for 1.90 mm / 75 mil centre spacing, measures 35.6 – 35.9 mm in total length and offers 4.3 mm of working travel.
Electrically it is specified for a rated current of 4 A and a typical resistance of 20 mΩ. There are 16 catalogue part numbers in this series, covering 12 tip or head styles such as 05, Concave stepped, 06, Serrated stepped. The barrel is brass with gold plating.
Specifications
| Structure | Basic Contact Probe |
|---|---|
| Pitch | 1.90 mm / 75 mil |
| Protrusion height | 9.9 mm |
| Barrel diameter | 1 mm |
| Collar diameter | 1.4 mm |
| Barrel material | Brass |
| Barrel plating | Gold |
| Nominal travel | 4.3 mm |
| Maximum travel | 6.4 mm |
| Pointing accuracy | ± 0.08 mm |
| Continuous current | 4 A |
| Typical contact resistance | 20 mΩ |
| Thread | M1 |
| Total length (range) | 35.6 – 35.9 mm |
| Tip style diameter (range) | 0.5 – 1.2 mm |
| Press ring diameter | 1.4 mm |
| Preload (range) | 40 – 130 cN |
| Spring force (range) | 100 – 250 cN |
| Tool size | 1 mm |
Values as listed for this series. Confirm the exact data for your part number with your quotation.
Applications
- In-circuit testing (ICT) of assembled PCBs
- Functional testing (FCT) of modules and finished boards
- Bed-of-nails test fixtures and adapters
- Contacting pads, vias, pins and wire-wrap posts
- Threaded, push-back and anti-rotation designs for special fixture layouts
Part numbers (16)
| Part number | Tip style | Tip style diameter | Spring force | Preload | Total length | Plunger material |
|---|---|---|---|---|---|---|
| F17505B120G100 | 05 – Concave stepped | 1.2 mm | 100 cN | 50 cN | 35.6 mm | Beryllium copper |
| F17505B120G150 | 05 | 1.2 mm | 150 cN | 70 cN | 35.9 mm | Beryllium copper |
| F17506B100G150 | 06 – Serrated stepped | 1 mm | 150 cN | 70 cN | 35.9 mm | Beryllium copper |
| F17506B120G100 | 06 – Serrated stepped | 1.2 mm | 100 cN | 50 cN | 35.9 mm | Beryllium copper |
| F17506B120G150 | 06 | 1.2 mm | 150 cN | 70 cN | 35.9 mm | Beryllium copper |
| F17511B050G100 | 11 | 0.5 mm | 100 cN | 50 cN | 35.9 mm | Beryllium copper |
| F17511B050G150 | 11 | 0.5 mm | 150 cN | 70 cN | 35.9 mm | Beryllium copper |
| F17511B064G100 | 11 – Spherical | 0.64 mm | 100 cN | 40 cN | 35.9 mm | Beryllium copper |
| F17511B064G150 | 11 | 0.64 mm | 150 cN | 70 cN | 35.9 mm | Beryllium copper |
| F17512B078G150 | 12 | 0.78 mm | 150 cN | 70 cN | 35.9 mm | Beryllium copper |
| F17517B120G150 | 17 | 1.2 mm | 150 cN | 70 cN | 35.9 mm | Beryllium copper |
| F17518B064G150 | 18 | 0.64 mm | 150 cN | 70 cN | 35.9 mm | Beryllium copper |
| F17518B064G200H | 18 – Conical 30° | 0.64 mm | 200 cN | 90 cN | 35.9 mm | Beryllium copper |
| F17518B078G150 | 18 | 0.78 mm | 150 cN | 70 cN | 35.9 mm | Beryllium copper |
| F17521S064L150 | 21 | 0.64 mm | 150 cN | 70 cN | 35.9 mm | Steel |
| F17533S064P250HP | 33 – Square lance 38° | 0.64 mm | 250 cN | 130 cN | 35.9 mm | Steel |
FAQ
What pitch and length is F175?
F175 has a pitch of 1.90 mm / 75 mil, total length of 35.6 – 35.9 mm and protrusion height of 9.9 mm. The full dimension list is in the specification table on this page.
How much current can F175 carry?
The rated continuous current is 4 A, with a typical resistance of 20 mΩ.
Which part numbers and tip styles are available for F175?
16 part numbers are listed, for example F17505B120G100, F17505B120G150, F17506B100G150. Tip or head styles include 05, Concave stepped, 06, Serrated stepped, 11, Spherical. The table on this page lists every part number with its tip and spring data.
How do I get a price or sample for F175?
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 ict/fct spring test probes
Enquire / Request a quote
Tell us the F175 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.