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ICT/FCT Spring Test Probes · 50 mil

F788 ICT/FCT Test Probe

F788 is an ICT/FCT test probe series in the EMSGLOB range, listed under 50 mil. It suits a minimum pitch of 1.27 mm / 50 mil, measures 43 – 45 mm in total length and offers 4.3 – 6.4 mm of working travel.

Its datasheet values are a rated current of 2 A, a typical resistance of 20 mΩ and an operating range of -45 °C to +80 °C. There are 11 catalogue part numbers in this series, covering 8 tip or head styles such as Concave stepped, Serrated stepped, Hexagonal 90° stepped, Spherical. The barrel is bronze with gold plating.

F788 ICT/FCT test probe – product photo

Specifications

StructureBasic Contact Probe
Pitch1.27 mm / 50 mil
Operating temperature-45 °C to +80 °C
Barrel diameter0.78 mm
Barrel materialBronze
Barrel platingGold
Spring materialSpring steel
Spring platingSilver
Preload30 cN
Pointing accuracy± 0.1 mm
Continuous current2 A
Typical contact resistance20 mΩ
Total length (range)43 – 45 mm
Protrusion height (range)12 – 14 mm
Tip style diameter (range)0.5 – 0.9 mm
Spring force (range)150 – 180 cN
Nominal travel (range)4.3 – 6.4 mm
Maximum travel (range)6.4 – 7 mm

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
F788 ICT/FCT test probe – dimension drawing
Dimension drawing

Part numbers (11)

Part numberTip styleTip style diameterSpring forceTotal lengthNominal travelPlunger material
F78805B090G16505 – Concave stepped0.9 mm165 cN43 mm6.4 mmBeryllium copper
F78806B090G16506 – Serrated stepped0.9 mm165 cN43 mm6.4 mmBeryllium copper
F78807S090L16507 – Hexagonal 90° stepped0.9 mm165 cN43 mm6.4 mmSteel
F78811B060G16511 – Spherical0.6 mm165 cN43 mm6.4 mmBeryllium copper
F78818B060G16518 – Conical 30°0.6 mm165 cN43 mm6.4 mmBeryllium copper
F78821S060L16521 – 4-point crown (self-cleaning)0.6 mm165 cN43 mm6.4 mmSteel
F78833S050L150LS133 – Square lance 38°0.5 mm150 cN45 mm4.3 mmSteel
F78833S050L16533 – Square lance 38°0.5 mm165 cN43 mm6.4 mmSteel
F78833S050L165L33 – Square lance 38°0.5 mm165 cN45 mm6.4 mmSteel
F78833S060L16533 – Square lance 38°0.6 mm165 cN43 mm6.4 mmSteel
F78843S050L18043 – Square lance 90°0.5 mm180 cN43 mm6.4 mmSteel

FAQ

What pitch and length is F788?

F788 has a pitch of 1.27 mm / 50 mil, total length of 43 – 45 mm and protrusion height of 12 – 14 mm. The full dimension list is in the specification table on this page.

How much current can F788 carry?

The rated continuous current is 2 A, with a typical resistance of 20 mΩ.

Which part numbers and tip styles are available for F788?

11 part numbers are listed, for example F78805B090G165, F78806B090G165, F78807S090L165. Tip or head styles include Concave stepped, Serrated stepped, Hexagonal 90° stepped, Spherical, Conical 30°, 4-point crown (self-cleaning). The table on this page lists every part number with its tip and spring data.

What temperature range is F788 rated for?

F788 is specified for -45 °C to +80 °C.

How do I get a price or sample for F788?

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 F788 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.