ICT/FCT Spring Test Probes
F066 ICT/FCT Test Probe
F066 is an ICT/FCT test probe series in the EMSGLOB range. It works at a pitch down to 1.27 mm / 50 mil, is 27.37 mm long overall and offers 0.3 mm of working travel.
On the electrical side you get an operating range of -45 °C to +80 °C. It is ordered as part number F06611B040G120. The plunger is beryllium copper with gold plating, and the barrel is bronze with gold plating.

Specifications
| Structure | Basic Contact Probe |
|---|---|
| Pitch | 1.27 mm / 50 mil |
| Operating temperature | -45 °C to +80 °C |
| Total length | 27.37 mm |
| Protrusion height | 3.07 mm |
| Barrel diameter | 0.75 mm |
| Tip style diameter | 0.4 mm |
| Tip style | 11 – Spherical |
| Plunger material | Beryllium copper |
| Plunger plating | Gold |
| Barrel material | Bronze |
| Barrel plating | Gold |
| Spring material | Spring steel |
| Spring plating | Gold |
| Preload | 100 cN |
| Spring force | 120 cN |
| Nominal travel | 0.3 mm |
| Maximum travel | 1.1 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 (1)
| Part number |
|---|
| F06611B040G120 |
FAQ
What pitch and length is F066?
F066 has a pitch of 1.27 mm / 50 mil, total length of 27.37 mm and protrusion height of 3.07 mm. The full dimension list is in the specification table on this page.
What temperature range is F066 rated for?
F066 is specified for -45 °C to +80 °C.
How do I get a price or sample for F066?
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 F066 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.