High-Current Contact Probes · Power electronics
HCF775 High-current Probe
HCF775 is a high-current probe series in the EMSGLOB range, listed under Power electronics. It is laid out for 5.00 mm / 197 mil centre spacing, measures 38.5 – 41.8 mm in total length and offers 4.4 – 7.4 mm of working travel.
On the electrical side you get a rated current of 50 A and a typical resistance of 5 mΩ. There are 17 catalogue part numbers in this series, covering 8 tip or head styles such as 04, 05, 06, Serrated stepped. The plunger is beryllium copper with gold plating, and the barrel is brass.
Specifications
| Structure | Basic Contact Probe |
|---|---|
| Pitch | 5.00 mm / 197 mil |
| Barrel diameter | 3.5 mm |
| Plunger material | Beryllium copper |
| Plunger plating | Gold |
| Barrel material | Brass |
| Spring material | High-grade steel |
| Spring plating | Uncoated |
| Continuous current | 50 A |
| Typical contact resistance | 5 mΩ |
| Total length (range) | 38.5 – 41.8 mm |
| Protrusion height (range) | 10.5 – 13.8 mm |
| Tip style diameter (range) | 3 – 4 mm |
| Press ring diameter | 4 mm |
| Collar diameter | 4 mm |
| Preload (range) | 150 – 500 cN |
| Spring force (range) | 300 – 1000 cN |
| Nominal travel (range) | 4.4 – 7.4 mm |
| Maximum travel (range) | 5.5 – 8.5 mm |
Values as listed for this series. Confirm the exact data for your part number with your quotation.
Applications
- Power electronics and inverter testing
- Battery cell, module and pack contacting
- Testing of plug connectors and charging interfaces
- End-of-line and burn-in stations that need high continuous current
Part numbers (17)
| Part number | Tip style | Tip style diameter | Spring force | Preload | Total length | Nominal travel |
|---|---|---|---|---|---|---|
| HCF77504B300G1000 | 04 | 3 mm | 1000 cN | 500 cN | 38.5 mm | 4.4 mm |
| HCF77505B400G300 | 05 | 4 mm | 300 cN | 150 cN | 38.5 mm | 4.4 mm |
| HCF77506B300G300 | 06 | 3 mm | 300 cN | 150 cN | 38.5 mm | 4.4 mm |
| HCF77506B400G1000 | 06 | 4 mm | 1000 cN | 500 cN | 38.5 mm | 4.4 mm |
| HCF77506B400G300 | 06 | 4 mm | 300 cN | 150 cN | 38.5 mm | 4.4 mm |
| HCF77506B400G300A | 06 | 4 mm | 300 cN | 150 cN | 38.5 mm | 4.4 mm |
| HCF77506B400G500 | 06 | 4 mm | 500 cN | 150 cN | 38.5 mm | 4.4 mm |
| HCF77506B400G500L418 | 06 – Serrated stepped | 4 mm | 500 cN | 220 cN | 41.8 mm | 7.4 mm |
| HCF77507B300G300 | 07 | 3 mm | 300 cN | 150 cN | 38.5 mm | 4.4 mm |
| HCF77507B300G500 | 07 | 3 mm | 500 cN | 150 cN | 38.5 mm | 4.4 mm |
| HCF77512A300U500HP | 12 | 3 mm | 500 cN | 240 cN | 38.5 mm | 4.4 mm |
| HCF77512A400U1000 | 12 | 4 mm | 1000 cN | 500 cN | 38.5 mm | 4.4 mm |
| HCF77512A400U300 | 12 | 4 mm | 300 cN | 150 cN | 38.5 mm | 4.4 mm |
| HCF77512A400U500 | 12 – Spherical stepped | 4 mm | 500 cN | 150 cN | 38.5 mm | 4.4 mm |
| HCF77512A400U600 | 12 | 4 mm | 600 cN | 200 cN | 38.5 mm | 4.4 mm |
| HCF77517B400G300 | 17 | 4 mm | 300 cN | 150 cN | 38.5 mm | 4.4 mm |
| HCF77517B400G500 | 17 | 4 mm | 300 cN | 150 cN | 38.5 mm | 4.4 mm |
FAQ
What pitch and length is HCF775?
HCF775 has a pitch of 5.00 mm / 197 mil, total length of 38.5 – 41.8 mm and protrusion height of 10.5 – 13.8 mm. The full dimension list is in the specification table on this page.
How much current can HCF775 carry?
The rated continuous current is 50 A, with a typical resistance of 5 mΩ.
Which part numbers and tip styles are available for HCF775?
17 part numbers are listed, for example HCF77504B300G1000, HCF77505B400G300, HCF77506B300G300. Tip or head styles include 04, 05, 06, Serrated stepped, 07, 12. The table on this page lists every part number with its tip and spring data.
How do I get a price or sample for HCF775?
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 high-current contact probes
Enquire / Request a quote
Tell us the HCF775 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.