ICT/FCT Spring Test Probes
Series 101 ICT/FCT Test Probe
Series 101 is an ICT/FCT test probe series in the EMSGLOB range. It is laid out for 2.54 mm / 100 mil centre spacing, has an overall length of 35.4 mm and offers 4.2 mm of working travel.
Electrically it is specified for a rated current of 3 A, a typical resistance of 20 mΩ and an operating range of -55 °C to +120 °C. There are 16 catalogue part numbers in this series, covering 5 tip or head styles such as Triangular pyramid 90°, Mini crown 60° (Steel), Dagger shape (Steel), Serrated head. Matching receptacle / compatible series: S 100.

Specifications
| Minimum pitch | 2.54 mm / 100 mil |
|---|---|
| Total length | 35.4 mm |
| Installation height | 10.3 mm |
| Rated travel | 4.2 mm |
| Max. travel | 9.4 mm |
| Rated current | 3 A |
| Typical resistance | 20 mΩ |
| Operating temperature | -55 °C to +120 °C |
| Compatible with | S 100 |
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 (16)
| Part number | Tip / head style | Head Ø (mm) | Spring force (N) |
|---|---|---|---|
| 101.05.09.10 | Spherical head (code 05) | 0.9 | 1 |
| 101.05.09.15 | Spherical head (code 05) | 0.9 | 1.5 |
| 101.05.09.20 | Spherical head (code 05) | 0.9 | 2 |
| 101.05.09.25 | Spherical head (code 05) | 0.9 | 2.5 |
| 101.05.09.30 | Spherical head (code 05) | 0.9 | 3 |
| 101.08.09.15 | Serrated head (code 08) | 0.9 | 1.5 |
| 101.118.09.15 | Dagger shape (Steel) (code 118) | 0.9 | 1.5 |
| 101.118.09.20 | Dagger shape (Steel) (code 118) | 0.9 | 2 |
| 101.118.09.30 | Dagger shape (Steel) (code 118) | 0.9 | 3 |
| 101.166.05.10 | Mini crown 60° (Steel) (code 166) | 0.5 | 1 |
| 101.166.05.20 | Mini crown 60° (Steel) (code 166) | 0.5 | 2 |
| 101.166.05.30 | Mini crown 60° (Steel) (code 166) | 0.5 | 3 |
| 101.20.15.15 | Triangular pyramid 90° (code 20) | 1.5 | 1.5 |
| 101.20.15.20 | Triangular pyramid 90° (code 20) | 1.5 | 2 |
| 101.20.15.25 | Triangular pyramid 90° (code 20) | 1.5 | 2.5 |
| 101.20.15.30 | Triangular pyramid 90° (code 20) | 1.5 | 3 |
Tip and head styles





FAQ
What pitch and length is Series 101?
Series 101 has a minimum pitch of 2.54 mm / 100 mil, total length of 35.4 mm and installation height of 10.3 mm. The full dimension list is in the specification table on this page.
How much current can Series 101 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 101?
16 part numbers are listed, for example 101.05.09.10, 101.05.09.15, 101.05.09.20. Tip or head styles include Triangular pyramid 90°, Mini crown 60° (Steel), Dagger shape (Steel), Serrated head, Spherical head. The table on this page lists every part number with its tip and spring data.
Which receptacle or series fits Series 101?
Series 101 is listed as compatible with S 100.
How do I get a price or sample for Series 101?
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 101 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.