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ICT/FCT Spring Test Probes

HCF773 ICT/FCT Test Probe

HCF773 is an ICT/FCT test probe series in the EMSGLOB range. It suits a minimum pitch of 4.50 mm / 177 mil, measures 27.3 mm in total length and offers 4 mm of working travel.

Electrically it is specified for a rated current of 30 A, a typical resistance of 8 mΩ and an operating range of -45 °C to +200 °C. It is ordered as part number HCF77306B400G600. The plunger is beryllium copper with gold plating, and the barrel is brass with gold plating.

HCF773 ICT/FCT test probe – product photo

Specifications

StructureBasic Contact Probe
Pitch4.50 mm / 177 mil
Operating temperature-45 °C to +200 °C
Additional definitionHC
Total length27.3 mm
Protrusion height10.3 mm
Barrel diameter2.65 mm
Tip style diameter4 mm
Press ring diameter3 mm
Collar diameter3 mm
Tip style06 – Serrated stepped
Plunger materialBeryllium copper
Plunger platingGold
Barrel materialBrass
Barrel platingGold
Spring materialHigh-grade steel
Spring platingUncoated
Preload170 cN
Spring force600 cN
Nominal travel4 mm
Maximum travel5 mm
Pointing accuracy± 0.1 mm
Continuous current30 A
Typical contact resistance8 mΩ

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
HCF773 ICT/FCT test probe – dimension drawing
Dimension drawing

Part numbers (1)

Part number
HCF77306B400G600

FAQ

What pitch and length is HCF773?

HCF773 has a pitch of 4.50 mm / 177 mil, total length of 27.3 mm and protrusion height of 10.3 mm. The full dimension list is in the specification table on this page.

How much current can HCF773 carry?

The rated continuous current is 30 A, with a typical resistance of 8 mΩ.

What temperature range is HCF773 rated for?

HCF773 is specified for -45 °C to +200 °C.

How do I get a price or sample for HCF773?

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.

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Enquire / Request a quote

Tell us the HCF773 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.