ICT/FCT Spring Test Probes · 75 mil
F561 ICT/FCT Test Probe
F561 is an ICT/FCT test probe series in the EMSGLOB range, listed under 75 mil. It works at a pitch down to 1.90 mm / 75 mil, has an overall length of 15.75 – 17 mm and offers 2.4 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 +80 °C. There are 13 catalogue part numbers in this series, covering 6 tip or head styles such as Concave stepped, Serrated stepped, Spherical, Spherical stepped. The plunger is beryllium copper with gold plating, and the barrel is bronze with gold plating.
Specifications
| Structure | Basic Contact Probe |
|---|---|
| Pitch | 1.90 mm / 75 mil |
| Operating temperature | -45 °C to +80 °C |
| Barrel diameter | 1 mm |
| Plunger material | Beryllium copper |
| Plunger plating | Gold |
| Barrel material | Bronze |
| Barrel plating | Gold |
| Spring material | Spring steel |
| Spring plating | Silver |
| Nominal travel | 2.4 mm |
| Maximum travel | 3 mm |
| Pointing accuracy | ± 0.05 mm |
| Typical contact resistance | 20 mΩ |
| Total length (range) | 15.75 – 17 mm |
| Protrusion height (range) | 3.25 – 4.5 mm |
| Tip style diameter (range) | 0.5 – 1.5 mm |
| Preload (range) | 30 – 70 cN |
| Spring force (range) | 80 – 150 cN |
| Continuous current | 4 A |
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 (13)
| Part number | Tip style | Tip style diameter | Spring force | Preload | Total length | Continuous current |
|---|---|---|---|---|---|---|
| F56105B150G080 | 05 – Concave stepped | 1.5 mm | 80 cN | 30 cN | 17 mm | 4 A |
| F56105B150G100 | 05 – Concave stepped | 1.5 mm | 100 cN | 50 cN | 17 mm | 4 A |
| F56105B150G150 | 05 – Concave stepped | 1.5 mm | 150 cN | 70 cN | 17 mm | 4 A |
| F56106B150G080 | 06 – Serrated stepped | 1.5 mm | 80 cN | 30 cN | 17 mm | 4 A |
| F56106B150G100 | 06 – Serrated stepped | 1.5 mm | 100 cN | 50 cN | 17 mm | 4 A |
| F56106B150G150 | 06 – Serrated stepped | 1.5 mm | 150 cN | 70 cN | 17 mm | 4 A |
| F56111B050G080 | 11 – Spherical | 0.5 mm | 80 cN | 30 cN | 17 mm | 4 A |
| F56111B050G100 | 11 – Spherical | 0.5 mm | 100 cN | 50 cN | 17 mm | 4 A |
| F56112B100G080S1 | 12 – Spherical stepped | 1 mm | 80 cN | 30 cN | 15.75 mm | – |
| F56115B150G080 | 15 – Triangular 45° stepped | 1.5 mm | 80 cN | 30 cN | 17 mm | 4 A |
| F56115B150G100 | 15 – Triangular 45° stepped | 1.5 mm | 100 cN | 50 cN | 17 mm | 4 A |
| F56115B150G150 | 15 – Triangular 45° stepped | 1.5 mm | 150 cN | 70 cN | 17 mm | 4 A |
| F56118B050G080 | 18 – Conical 30° | 0.5 mm | 80 cN | 30 cN | 17 mm | 4 A |
FAQ
What pitch and length is F561?
F561 has a pitch of 1.90 mm / 75 mil, total length of 15.75 – 17 mm and protrusion height of 3.25 – 4.5 mm. The full dimension list is in the specification table on this page.
How much current can F561 carry?
The rated continuous current is 4 A, with a typical resistance of 20 mΩ.
Which part numbers and tip styles are available for F561?
13 part numbers are listed, for example F56105B150G080, F56105B150G100, F56105B150G150. Tip or head styles include Concave stepped, Serrated stepped, Spherical, Spherical stepped, Triangular 45° stepped, Conical 30°. The table on this page lists every part number with its tip and spring data.
What temperature range is F561 rated for?
F561 is specified for -45 °C to +80 °C.
How do I get a price or sample for F561?
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 F561 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.