ICT/FCT Spring Test Probes
Series 31 ICT/FCT Test Probe
Series 31 is an ICT/FCT test probe series in the EMSGLOB range. It suits a minimum pitch of 2.54 mm / 100 mil, is 35.5 mm long overall and offers 3.3 mm of working travel.
Its datasheet values are a rated current of 3 A, a typical resistance of 20 mΩ and an operating range of -55 °C to +120 °C. There are 65 catalogue part numbers in this series, covering 12 tip or head styles such as 4-pronged crown, self-cleaning (Steel), Dagger shape (Steel), Crown with inner tip (Steel), Concave head 90° (Steel). Matching receptacle / compatible series: S 30.
Specifications
| Minimum pitch | 2.54 mm / 100 mil |
|---|---|
| Total length | 35.5 mm |
| Installation height | 13 mm |
| Rated travel | 3.3 mm |
| Max. travel | 5 mm |
| Rated current | 3 A |
| Typical resistance | 20 mΩ |
| Operating temperature | -55 °C to +120 °C |
| Compatible with | S 30 |
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 (65)
| Part number | Tip / head style | Head Ø (mm) | Spring force (N) |
|---|---|---|---|
| 31.03.30.08 | Stepped (code 03) | 3 | 0.8 |
| 31.03.30.15 | Stepped (code 03) | 3 | 1.5 |
| 31.03.30.30 | Stepped (code 03) | 3 | 3 |
| 31.05.13.08 | Spherical head (code 05) | 1.3 | 0.8 |
| 31.05.13.15 | Spherical head (code 05) | 1.3 | 1.5 |
| 31.05.13.30 | Spherical head (code 05) | 1.3 | 3 |
| 31.05.13.50 | Spherical head (code 05) | 1.3 | 5 |
| 31.05.15.15 | Spherical head (code 05) | 1.5 | 1.5 |
| 31.05.15.30 | Spherical head (code 05) | 1.5 | 3 |
| 31.05.15.50 | Spherical head (code 05) | 1.5 | 5 |
| 31.05.20.15 | Spherical head (code 05) | 2 | 1.5 |
| 31.05.20.30 | Spherical head (code 05) | 2 | 3 |
| 31.05.20.50 | Spherical head (code 05) | 2 | 5 |
| 31.06.13.08 | 4-point crown 60° (code 06) | 1.3 | 0.8 |
| 31.06.13.15 | 4-point crown 60° (code 06) | 1.3 | 1.5 |
| 31.06.16.15 | 4-point crown 60° (code 06) | 1.6 | 1.5 |
| 31.06.16.30 | 4-point crown 60° (code 06) | 1.6 | 3 |
| 31.06.16.50 | 4-point crown 60° (code 06) | 1.6 | 5 |
| 31.06.20.08 | 4-point crown 60° (code 06) | 2 | 0.8 |
| 31.06.20.15 | 4-point crown 60° (code 06) | 2 | 1.5 |
| 31.06.20.30 | 4-point crown 60° (code 06) | 2 | 3 |
| 31.07.18.08 | 6 Spike Crown with Spear (code 07) | 1.8 | 0.8 |
| 31.08.13.08 | Serrated head (code 08) | 1.3 | 0.8 |
| 31.08.13.15 | Serrated head (code 08) | 1.3 | 1.5 |
| 31.08.13.30 | Serrated head (code 08) | 1.3 | 3 |
| 31.08.13.50 | Serrated head (code 08) | 1.3 | 5 |
| 31.08.16.08 | Serrated head (code 08) | 1.6 | 0.8 |
| 31.08.16.15 | Serrated head (code 08) | 1.6 | 1.5 |
| 31.08.16.30 | Serrated head (code 08) | 1.6 | 3 |
| 31.10.13.15 | Triangular pyramid 30° (code 10) | 1.3 | 1.5 |
| 31.10.13.30 | Triangular pyramid 30° (code 10) | 1.3 | 3 |
| 31.10.13.50 | Triangular pyramid 30° (code 10) | 1.3 | 5 |
| 31.10.18.08 | Triangular pyramid 30° (code 10) | 1.8 | 0.8 |
| 31.10.18.15 | Triangular pyramid 30° (code 10) | 1.8 | 1.5 |
| 31.10.18.30 | Triangular pyramid 30° (code 10) | 1.8 | 3 |
| 31.10.18.50 | Triangular pyramid 30° (code 10) | 1.8 | 5 |
| 31.102.07.15 | Sharp tip (Steel) (code 102) | 0.7 | 1.5 |
| 31.102.07.30 | Sharp tip (Steel) (code 102) | 0.7 | 3 |
| 31.102.07.50 | Sharp tip (Steel) (code 102) | 0.7 | 5 |
| 31.102.13.08 | Sharp tip (Steel) (code 102) | 1.3 | 0.8 |
| 31.102.13.15 | Sharp tip (Steel) (code 102) | 1.3 | 1.5 |
| 31.102.13.30 | Sharp tip (Steel) (code 102) | 1.3 | 3 |
| 31.102.13.50 | Sharp tip (Steel) (code 102) | 1.3 | 5 |
| 31.103.13.08 | Flat head (Steel) (code 103) | 1.3 | 0.8 |
| 31.103.13.15 | Stepped (code 03) | 1.3 | 1.5 |
| 31.103.13.30 | Flat head (Steel) (code 103) | 1.3 | 3 |
| 31.103.13.50 | Flat head (Steel) (code 103) | 1.3 | 5 |
| 31.103.20.15 | Flat head (Steel) (code 103) | 2 | 1.5 |
| 31.103.20.30 | Flat head (Steel) (code 103) | 2 | 3 |
| 31.104.19.08 | Concave head 90° (Steel) (code 104) | 1.9 | 0.8 |
| 31.104.19.15 | Concave head 90° (Steel) (code 104) | 1.9 | 1.5 |
| 31.104.19.30 | Concave head 90° (Steel) (code 104) | 1.9 | 3 |
| 31.104.19.50 | Concave head 90° (Steel) (code 104) | 1.9 | 5 |
| 31.107.13.15 | Crown with inner tip (Steel) (code 107) | 1.3 | 1.5 |
| 31.107.13.50 | Crown with inner tip (Steel) (code 107) | 1.3 | 5 |
| 31.108.13.15 | Serrated head (code 08) | 1.3 | 1.5 |
| 31.108.13.30 | Serrated head (code 08) | 1.3 | 3 |
| 31.108.20.15 | Serrated head (code 08) | 2 | 3 |
| 31.108.20.30 | Serrated head (code 08) | 2 | 3 |
| 31.118.13.15 | Dagger shape (Steel) (code 118) | 1.3 | 1.5 |
| 31.118.13.30 | Dagger shape (Steel) (code 118) | 1.3 | 3 |
| 31.118.13.50 | Dagger shape (Steel) (code 118) | 1.3 | 5 |
| 31.146.13.15 | 4-pronged crown, self-cleaning (Steel) (code 146) | 1.3 | 1.5 |
| 31.146.13.30 | 4-pronged crown, self-cleaning (Steel) (code 146) | 1.3 | 3 |
| 31.146.13.50 | 4-pronged crown, self-cleaning (Steel) (code 146) | 1.3 | 5 |
Tip and head styles
FAQ
What pitch and length is Series 31?
Series 31 has a minimum pitch of 2.54 mm / 100 mil, total length of 35.5 mm and installation height of 13 mm. The full dimension list is in the specification table on this page.
How much current can Series 31 carry?
The rated continuous current is 3 A, with a typical resistance of 20 mΩ.
Which part numbers and tip styles are available for Series 31?
65 part numbers are listed, for example 31.03.30.08, 31.03.30.15, 31.03.30.30. Tip or head styles include 4-pronged crown, self-cleaning (Steel), Dagger shape (Steel), Crown with inner tip (Steel), Concave head 90° (Steel), Flat head (Steel), Sharp tip (Steel). The table on this page lists every part number with its tip and spring data.
Which receptacle or series fits Series 31?
Series 31 is listed as compatible with S 30.
How do I get a price or sample for Series 31?
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 Series 31 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.