ICT/FCT Spring Test Probes
Series 151 ICT/FCT Test Probe
Series 151 is an ICT/FCT test probe series in the EMSGLOB range. It suits a minimum pitch of 1.27 mm / 50 mil, measures 48.5 mm in total length and offers 8 mm of working travel.
On the electrical side you get a rated current of 2 A, a typical resistance of 20 mΩ and an operating range of -55 °C to +120 °C. There are 2 catalogue part numbers in this series, covering 2 tip or head styles such as Triangular pyramid 30° (Steel), 4-point crown 60° (Steel).

Specifications
| Minimum pitch | 1.27 mm / 50 mil |
|---|---|
| Total length | 48.5 mm |
| Installation height | 12.2 mm |
| Rated travel | 8 mm |
| Max. travel | 10 mm |
| Rated current | 2 A |
| Typical resistance | 20 mΩ |
| Operating temperature | -55 °C to +120 °C |
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 (2)
| Part number | Tip / head style | Head Ø (mm) | Spring force (N) |
|---|---|---|---|
| 151.106.05.15 | 4-point crown 60° (Steel) (code 106) | 0.5 | 1.5 |
| 151.110.05.15 | Triangular pyramid 30° (Steel) (code 110) | 0.5 | 1.5 |
Tip and head styles


FAQ
What pitch and length is Series 151?
Series 151 has a minimum pitch of 1.27 mm / 50 mil, total length of 48.5 mm and installation height of 12.2 mm. The full dimension list is in the specification table on this page.
How much current can Series 151 carry?
The rated continuous current is 2 A, with a typical resistance of 20 mΩ.
Which part numbers and tip styles are available for Series 151?
2 part numbers are listed, for example 151.106.05.15, 151.110.05.15. Tip or head styles include Triangular pyramid 30° (Steel), 4-point crown 60° (Steel). The table on this page lists every part number with its tip and spring data.
What temperature range is Series 151 rated for?
Series 151 is specified for -55 °C to +120 °C.
How do I get a price or sample for Series 151?
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 151 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.