Switch Probes · Normally closed (NC)
F873-NC Switch Probe
F873-NC is a switch probe series in the EMSGLOB range, listed under Normally closed (NC). It suits a minimum pitch of 2.54 mm / 100 mil, measures 50.6 mm in total length and offers 4 mm of working travel.
On the electrical side you get a rated current of 5 A, a typical resistance of 65 mΩ and an operating range of -45 °C to +100 °C. There are 2 catalogue part numbers in this series, covering 2 tip or head styles such as Spherical, Flat. The plunger is beryllium copper with gold plating, and the barrel is brass with gold plating.
Specifications
| Pitch | 2.54 mm / 100 mil |
|---|---|
| Operating temperature | -45 °C to +100 °C |
| Total length | 50.6 mm |
| Protrusion height | 10.4 mm |
| Barrel diameter | 1.66 mm |
| Press ring diameter | 2.3 mm |
| Collar diameter | 2.3 mm |
| Plunger material | Beryllium copper |
| Plunger plating | Gold |
| Barrel material | Brass |
| Barrel plating | Gold |
| Spring material | Spring steel |
| Spring plating | Silver |
| Preload | 50 cN |
| Spring force | 250 cN |
| Nominal travel | 4 mm |
| Maximum travel | 5 mm |
| Pointing accuracy | ± 0.08 mm |
| Continuous current | 5 A |
| Continuous current 2 | 1 A |
| Typical contact resistance | 65 mΩ |
| Switch travel | 1.5 mm |
| Switch type | NC (Normal Close) |
| Thread | M1,6 |
| Tool size | 1.7 mm |
| Tip style diameter (range) | 0.64 – 1 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 (2)
| Part number | Tip style | Tip style diameter |
|---|---|---|
| F87311B064G250 | 11 – Spherical | 0.64 mm |
| F87316B100G250 | 16 – Flat | 1 mm |
FAQ
What pitch and length is F873-NC?
F873-NC has a pitch of 2.54 mm / 100 mil, total length of 50.6 mm and protrusion height of 10.4 mm. The full dimension list is in the specification table on this page.
How much current can F873-NC carry?
The rated continuous current is 5 A, with a typical resistance of 65 mΩ.
Which part numbers and tip styles are available for F873-NC?
2 part numbers are listed, for example F87311B064G250, F87316B100G250. Tip or head styles include Spherical, Flat. The table on this page lists every part number with its tip and spring data.
What temperature range is F873-NC rated for?
F873-NC is specified for -45 °C to +100 °C.
How do I get a price or sample for F873-NC?
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 F873-NC 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.