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ICT/FCT Spring Test Probes · VF4

VF4 ICT/FCT Test Probe

VF4 is an ICT/FCT test probe series in the EMSGLOB range, listed under VF4. It suits a minimum pitch of 4.00 mm / 157 mil, has an overall length of 69.7 – 79.7 mm and offers 5 mm of working travel.

Its datasheet values are a rated current of 10 A, a typical resistance of 30 mΩ and an operating range of -45 °C to +100 °C. There are 62 catalogue part numbers in this series, covering 8 tip or head styles such as 05, 06, Spherical, 16. The plunger is beryllium copper with gold plating, and the barrel is brass with gold plating.

VF4 ICT/FCT test probe – product photo

Specifications

StructureBasic Contact Probe
Pitch4.00 mm / 157 mil
Operating temperature-45 °C to +100 °C
Barrel diameter3 mm
Press ring diameter3.6 mm
Collar diameter3.6 mm
Plunger materialBeryllium copper
Plunger platingGold
Barrel materialBrass
Barrel platingGold
Spring materialSpring steel
Spring platingGold
Nominal travel5 mm
Maximum travel5.5 mm
Pointing accuracy± 0.1 mm
Continuous current10 A
Typical contact resistance30 mΩ
ThreadM2,5X0,35
Tool size2.5 mm
Total length (range)69.7 – 79.7 mm
Protrusion height (range)34.75 – 40.8 mm
Tip style diameter (range)1 – 4 mm
Preload (range)80 – 300 cN
Spring force (range)300 – 2500 cN
A – spade diameter (range)2.2 – 3.6 mm
B – spade width (range)0.8 – 1.8 mm
C – spade length (range)6 – 12 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
VF4 ICT/FCT test probe – dimension drawing
Dimension drawing

Part numbers (62)

Part numberTip styleTip style diameterSpring forcePreloadTotal lengthAdditional definition
VF405B230G15052.3 mm1500 cN300 cN69.7 mm–
VF405B230G20052.3 mm2000 cN300 cN69.7 mm–
VF405B300G15053 mm1500 cN300 cN69.7 mm–
VF405B300G20053 mm2000 cN300 cN69.7 mm–
VF406B240G10062.4 mm1000 cN300 cN69.7 mm–
VF406B240G15062.4 mm1500 cN300 cN69.7 mm–
VF406B240G25062.4 mm2500 cN300 cN69.7 mm–
VF406B300G05063 mm500 cN100 cN69.7 mm–
VF406B300G10063 mm1000 cN300 cN69.7 mm–
VF406B300G15063 mm1500 cN300 cN69.7 mm–
VF406B300G20063 mm2000 cN300 cN69.7 mm–
VF406B300G25063 mm2500 cN300 cN69.7 mm–
VF406B400G10064 mm1000 cN300 cN69.7 mm–
VF406B400G15064 mm1500 cN300 cN69.7 mm–
VF406B400G25064 mm2500 cN300 cN69.7 mm–
VF411B230G1511 – Spherical2.3 mm1500 cN300 cN69.7 mm–
VF416B100G15161 mm1500 cN300 cN79.7 mm–
VF416B140G15161.4 mm1500 cN300 cN69.7 mm–
VF416B140G20161.4 mm2000 cN300 cN69.7 mm–
VF416B140G25161.4 mm2500 cN300 cN69.7 mm–
VF416B180G05161.8 mm500 cN100 cN69.7 mm–
VF416B180G10161.8 mm1000 cN300 cN69.7 mm–
VF416B180G15161.8 mm1500 cN300 cN69.7 mm–
VF416B180G20161.8 mm2000 cN300 cN69.7 mm–
VF416B180G25161.8 mm2500 cN300 cN69.7 mm–
VF416B200G15162 mm1500 cN300 cN69.7 mm–
VF416B200G20162 mm2000 cN300 cN69.7 mm–
VF416B200G25162 mm2500 cN300 cN69.7 mm–
VF416B230G05162.3 mm500 cN100 cN69.7 mm–
VF416B230G15162.3 mm1500 cN300 cN69.7 mm–
VF416B230G20162.3 mm2000 cN300 cN69.7 mm–
VF416B230G25162.3 mm2500 cN300 cN69.7 mm–
VF417B300G10173 mm1000 cN300 cN69.7 mm–
VF417B300G15173 mm1500 cN300 cN69.7 mm–
VF417B300G20173 mm2000 cN300 cN69.7 mm–
VF417B300G25173 mm2500 cN300 cN69.7 mm–
VF417B400G10174 mm1000 cN300 cN69.7 mm–
VF417B400G15174 mm1500 cN300 cN69.7 mm–
VF417B400G25174 mm2500 cN300 cN69.7 mm–
VF422B0001G1522 – Special version for contacting into conn.-housings3.15 mm1500 cN300 cN69.7 mm–
VF483B0001G05832.5 mm500 cN100 cN69.7 mm–
VF483B0001G10832.5 mm1000 cN300 cN69.7 mm–
VF483B0001G15832.5 mm1500 cN300 cN69.7 mm–
VF483B0001G20832.5 mm2000 cN300 cN69.7 mm–
VF483B0002G05833 mm500 cN100 cN69.7 mm–
VF483B0002G15833 mm1500 cN300 cN69.7 mm–
VF483B0002G25833 mm2500 cN300 cN69.7 mm–
VF483B0003G15832.25 mm1500 cN300 cN69.7 mm–
VF483B0003G25832.25 mm2500 cN300 cN69.7 mm–
VF483B0004G10833 mm1000 cN300 cN69.7 mm–
VF483B0004G15833 mm1500 cN300 cN69.7 mm–
VF483B0004G20833 mm2000 cN300 cN69.7 mm–
VF483B0004G25833 mm2500 cN300 cN69.7 mm–
VF483B0005G20832.25 mm2000 cN300 cN69.7 mm–
VF483B0008G20832.25 mm2000 cN300 cN69.7 mm–
VF483B0009G15832.2 mm1500 cN300 cN69.7 mm–
VF483B0010G0383 – SpadeØ > plungerØ2.5 mm300 cN80 cN75.7 mmS1
VF483B0010G0583 – SpadeØ > plungerØ2.5 mm500 cN100 cN75.7 mmS1
VF483B0010G1083 – SpadeØ > plungerØ2.5 mm1000 cN300 cN75.7 mm–
VF483B0010G1583 – SpadeØ > plungerØ2.5 mm1500 cN300 cN75.7 mmS1
VF483B0010G2083 – SpadeØ > plungerØ2.5 mm2000 cN300 cN75.7 mm–
VF483B0011G2583 – SpadeØ > plungerØ3.6 mm2500 cN300 cN75.7 mm–

FAQ

What pitch and length is VF4?

VF4 has a pitch of 4.00 mm / 157 mil, total length of 69.7 – 79.7 mm and protrusion height of 34.75 – 40.8 mm. The full dimension list is in the specification table on this page.

How much current can VF4 carry?

The rated continuous current is 10 A, with a typical resistance of 30 mΩ.

Which part numbers and tip styles are available for VF4?

62 part numbers are listed, for example VF405B230G15, VF405B230G20, VF405B300G15. Tip or head styles include 05, 06, Spherical, 16, 17, Special version for contacting into conn.-housings. The table on this page lists every part number with its tip and spring data.

What temperature range is VF4 rated for?

VF4 is specified for -45 °C to +100 °C.

How do I get a price or sample for VF4?

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 VF4 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.