ICT/FCT Spring Test Probes · 138 mil
F785 ICT/FCT Test Probe
F785 is an ICT/FCT test probe series in the EMSGLOB range, listed under 138 mil. It suits a minimum pitch of 3.50 mm / 138 mil, measures 38 – 47 mm in total length and offers 6.4 mm of working travel.
On the electrical side you get a rated current of 10 A, a typical resistance of 25 mΩ and an operating range of -45 °C to +80 °C. There are 10 catalogue part numbers in this series, covering 4 tip or head styles such as Conical 90°, Serrated stepped, Spherical stepped, 4-point crown stepped (self-cleaning). The barrel is bronze with gold plating.
Specifications
| Structure | Basic Contact Probe |
|---|---|
| Pitch | 3.50 mm / 138 mil |
| Operating temperature | -45 °C to +80 °C |
| Barrel diameter | 2.65 mm |
| Barrel material | Bronze |
| Barrel plating | Gold |
| Spring material | Spring steel |
| Spring plating | Silver |
| Preload | 80 cN |
| Nominal travel | 6.4 mm |
| Maximum travel | 8 mm |
| Pointing accuracy | ± 0.1 mm |
| Continuous current | 10 A |
| Typical contact resistance | 25 mΩ |
| Total length (range) | 38 – 47 mm |
| Protrusion height (range) | 16 – 25 mm |
| Tip style diameter (range) | 1.2 – 3.5 mm |
| Press ring diameter (range) | 3 – 3.01 mm |
| Collar diameter (range) | 3 – 3.01 mm |
| Spring force (range) | 150 – 300 cN |
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 (10)
| Part number | Tip style | Tip style diameter | Spring force | Total length | Plunger material | Plunger plating |
|---|---|---|---|---|---|---|
| F78501S200L300 | 01 – Conical 90° | 2 mm | 300 cN | 38 mm | Steel | Longtime Gold |
| F78506B120G300L | 06 – Serrated stepped | 1.2 mm | 300 cN | 44 mm | Beryllium copper | Gold |
| F78506B230G300 | 06 – Serrated stepped | 2.3 mm | 300 cN | 38 mm | Beryllium copper | Gold |
| F78506B250G300L | 06 – Serrated stepped | 2.5 mm | 300 cN | 44 mm | Beryllium copper | Gold |
| F78506B350G150L | 06 – Serrated stepped | 3.5 mm | 150 cN | 44 mm | Beryllium copper | Gold |
| F78506B350G300L | 06 – Serrated stepped | 3.5 mm | 300 cN | 44 mm | Beryllium copper | Gold |
| F78512B230G300E25 | 12 – Spherical stepped | 2.3 mm | 300 cN | 47 mm | Beryllium copper | Gold |
| F78514S120L300L | 14 – 4-point crown stepped (self-cleaning) | 1.2 mm | 300 cN | 44 mm | Steel | Longtime Gold |
| F78514S230L300 | 14 – 4-point crown stepped (self-cleaning) | 2.3 mm | 300 cN | 38 mm | Steel | Longtime Gold |
| F78514S230L300L | 14 – 4-point crown stepped (self-cleaning) | 2.3 mm | 300 cN | 44 mm | Steel | Longtime Gold |
FAQ
What pitch and length is F785?
F785 has a pitch of 3.50 mm / 138 mil, total length of 38 – 47 mm and protrusion height of 16 – 25 mm. The full dimension list is in the specification table on this page.
How much current can F785 carry?
The rated continuous current is 10 A, with a typical resistance of 25 mΩ.
Which part numbers and tip styles are available for F785?
10 part numbers are listed, for example F78501S200L300, F78506B120G300L, F78506B230G300. Tip or head styles include Conical 90°, Serrated stepped, Spherical stepped, 4-point crown stepped (self-cleaning). The table on this page lists every part number with its tip and spring data.
What temperature range is F785 rated for?
F785 is specified for -45 °C to +80 °C.
How do I get a price or sample for F785?
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 F785 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.