Switch Probes · Normally open (NO)
F863-NO Switch Probe
F863-NO is a switch probe series in the EMSGLOB range, listed under Normally open (NO). It works at a pitch down to 1.90 mm / 75 mil, is 30.2 – 35.2 mm long overall and offers 4 mm of working travel.
On the electrical side you get a rated current of 2 A, a typical resistance of 65 mΩ and an operating range of -45 °C to +100 °C. There are 14 catalogue part numbers in this series, covering 5 tip or head styles such as Serrated stepped, Spherical, Spherical stepped, Flat stepped. The plunger is beryllium copper, and the barrel is brass with gold plating.

Specifications
| Structure | Basic Contact Probe |
|---|---|
| Pitch | 1.90 mm / 75 mil |
| Operating temperature | -45 °C to +100 °C |
| Barrel diameter | 1 mm |
| Press ring diameter | 1.4 mm |
| Collar diameter | 1.4 mm |
| Plunger material | Beryllium copper |
| Barrel material | Brass |
| Barrel plating | Gold |
| Spring material | Spring steel |
| Spring plating | Silver |
| Nominal travel | 4 mm |
| Maximum travel | 5 mm |
| Pointing accuracy | ± 0.1 mm |
| Continuous current | 2 A |
| Continuous current 2 | 1 A |
| Typical contact resistance | 65 mΩ |
| Thread | M1 |
| Tool size | 1.0 mm |
| Total length (range) | 30.2 – 35.2 mm |
| Protrusion height (range) | 10 – 15 mm |
| Tip style diameter (range) | 0.36 – 1 mm |
| Preload (range) | 20 – 50 cN |
| Spring force (range) | 40 – 150 cN |
| Switch travel (range) | 1.7 – 3.5 mm |
Values as listed for this series. Confirm the exact data for your part number with your quotation.
Applications
- Presence and position checks in test fixtures
- Detecting components, connectors and housings
- Normally open (NO) and normally closed (NC) switching
- Pneumatic and position-sensing fixture designs

Part numbers (14)
| Part number | Tip style | Tip style diameter | Spring force | Preload | Total length | Plunger plating |
|---|---|---|---|---|---|---|
| F86306B100G150L | 06 – Serrated stepped | 1 mm | 150 cN | 50 cN | 35.2 mm | Gold |
| F86311B036G080S17 | 11 – Spherical | 0.36 mm | 80 cN | 20 cN | 30.2 mm | Gold |
| F86311B040G080S17S1 | 11 – Spherical | 0.4 mm | 80 cN | 20 cN | 30.4 mm | Gold |
| F86311B050G080 | 11 – Spherical | 0.5 mm | 80 cN | 20 cN | 30.2 mm | Gold |
| F86311B050G150 | 11 – Spherical | 0.5 mm | 150 cN | 50 cN | 30.2 mm | Gold |
| F86311B064G040L | 11 – Spherical | 0.64 mm | 40 cN | 24 cN | 35.2 mm | Gold |
| F86311B064G080 | 11 – Spherical | 0.64 mm | 80 cN | 20 cN | 30.2 mm | Gold |
| F86311B064G080L | 11 – Spherical | 0.64 mm | 80 cN | 20 cN | 35.2 mm | Gold |
| F86311B064G150L | 11 – Spherical | 0.64 mm | 150 cN | 50 cN | 35.2 mm | Gold |
| F86312B070G080 | 12 – Spherical stepped | 0.7 mm | 80 cN | 20 cN | 30.2 mm | Gold |
| F86312B075G150L | 12 – Spherical stepped | 0.75 mm | 150 cN | 50 cN | 35.2 mm | Gold |
| F86317B080G150 | 17 – Flat stepped | 0.8 mm | 150 cN | 50 cN | 30.2 mm | Gold |
| F86317T080N080 | 17T – Metal head insulated with slot | 0.8 mm | 80 cN | 20 cN | 30.2 mm | Nickel |
| F86317T080N150 | 17T – Metal head insulated with slot | 0.8 mm | 150 cN | 50 cN | 30.2 mm | Nickel |
FAQ
What pitch and length is F863-NO?
F863-NO has a pitch of 1.90 mm / 75 mil, total length of 30.2 – 35.2 mm and protrusion height of 10 – 15 mm. The full dimension list is in the specification table on this page.
How much current can F863-NO carry?
The rated continuous current is 2 A, with a typical resistance of 65 mΩ.
Which part numbers and tip styles are available for F863-NO?
14 part numbers are listed, for example F86306B100G150L, F86311B036G080S17, F86311B040G080S17S1. Tip or head styles include Serrated stepped, Spherical, Spherical stepped, Flat stepped, Metal head insulated with slot. The table on this page lists every part number with its tip and spring data.
What temperature range is F863-NO rated for?
F863-NO is specified for -45 °C to +100 °C.
How do I get a price or sample for F863-NO?
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 switch probes
Enquire / Request a quote
Tell us the F863-NO 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.