High-Current Contact Probes · Power electronics
HCF732 High-current Probe
HCF732 is a high-current probe series in the EMSGLOB range, listed under Power electronics. It suits a minimum pitch of 2.54 mm / 100 mil, is 35.7 mm long overall and offers 4 mm of working travel.
Electrically it is specified for a rated current of 20 A, a typical resistance of 10 mΩ and an operating range of -45 °C to +200 °C. There are 40 catalogue part numbers in this series, covering 14 tip or head styles such as 05, 06, Serrated stepped, 07. The plunger is beryllium copper with gold plating, and the barrel is brass.

Specifications
| Structure | Basic Contact Probe |
|---|---|
| Pitch | 2.54 mm / 100 mil |
| Operating temperature | -45 °C to +200 °C |
| Total length | 35.7 mm |
| Barrel diameter | 1.65 mm |
| Press ring diameter | 2.3 mm |
| Collar diameter | 2.3 mm |
| Plunger material | Beryllium copper |
| Plunger plating | Gold |
| Barrel material | Brass |
| Spring material | High-grade steel |
| Spring plating | Uncoated |
| Nominal travel | 4 mm |
| Thread | M1,6 |
| Tool size | 1.7 mm |
| Protrusion height (range) | 10.3 – 10.5 mm |
| Tip style diameter (range) | 0.65 – 2.5 mm |
| Preload (range) | 50 – 60 cN |
| Spring force (range) | 150 – 300 cN |
| Maximum travel (range) | 5 – 5.3 mm |
| Continuous current | 20 A |
| Typical contact resistance | 10 mΩ |
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 (40)
| Part number | Tip style | Tip style diameter | Spring force | Preload | Continuous current | Typical contact resistance |
|---|---|---|---|---|---|---|
| HCF73205A200U300 | 05 | 2 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73205A200U300A | 05 | 2 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73205B200G300 | 05 | 2 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73205B200G300A | 05 | 2 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73206B160G150 | 06 – Serrated stepped | 1.6 mm | 150 cN | 50 cN | 20 A | 10 mΩ |
| HCF73206B160G150A | 06 | 1.6 mm | 150 cN | 50 cN | 20 A | 10 mΩ |
| HCF73206B180G150 | 06 | 1.8 mm | 150 cN | 50 cN | 20 A | 10 mΩ |
| HCF73206B180G150A | 06 | 1.8 mm | 150 cN | 50 cN | 20 A | 10 mΩ |
| HCF73206B200G150 | 06 | 2 mm | 150 cN | 50 cN | 20 A | 10 mΩ |
| HCF73206B200G150A | 06 | 2 mm | 150 cN | 50 cN | 20 A | 10 mΩ |
| HCF73206B200G225 | 06 – Serrated stepped | 2 mm | 225 cN | 60 cN | – | – |
| HCF73206B200G300 | 06 | 2 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73206B200G300A | 06 | 2 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73206B250G300 | 06 | 2.5 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73206B250G300A | 06 | 2.5 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73207B175G300 | 07 | 1.75 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73207B175G300A | 07 | 1.75 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73211B065G150 | 11 – Spherical | 0.65 mm | 150 cN | 50 cN | 20 A | 10 mΩ |
| HCF73211B065G150A | 11 | 0.65 mm | 150 cN | 50 cN | 20 A | 10 mΩ |
| HCF73211B065G300 | 11 | 0.65 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73211B065G300A | 11 | 0.65 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73211B075G300 | 11 – Spherical | 0.75 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73211B075G300A | 11 | 0.75 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73211B080G150A | 11 | 0.8 mm | 150 cN | 50 cN | 20 A | 10 mΩ |
| HCF73211B080G300 | 11 | 0.8 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73211B080G300A | 11 | 0.8 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73211B100G150 | 11 | 1 mm | 150 cN | 50 cN | 20 A | 10 mΩ |
| HCF73211B100G150A | 11 | 1 mm | 150 cN | 50 cN | 20 A | 10 mΩ |
| HCF73211B100G300 | 11 | 1 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73211B100G300A | 11 | 1 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73212A200U300 | 12 – Spherical stepped | 2 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73212A200U300A | 12 | 2 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73214B250G300 | 14 – 4-point crown stepped (self-cleaning) | 2.5 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73214B250G300A | 14 | 2.5 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73216B100G300 | 16 | 1 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73216B100G300A | 16 | 1 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73229B100G300 | 29 – 4-point crown | 1 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73229B100G300A | 29 | 1 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73255B200G300 | 55 | 2 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
| HCF73255B200G300A | 55 | 2 mm | 300 cN | 50 cN | 20 A | 10 mΩ |
FAQ
What pitch and length is HCF732?
HCF732 has a pitch of 2.54 mm / 100 mil, total length of 35.7 mm and protrusion height of 10.3 – 10.5 mm. The full dimension list is in the specification table on this page.
How much current can HCF732 carry?
The rated continuous current is 20 A, with a typical resistance of 10 mΩ.
Which part numbers and tip styles are available for HCF732?
40 part numbers are listed, for example HCF73205A200U300, HCF73205A200U300A, HCF73205B200G300. Tip or head styles include 05, 06, Serrated stepped, 07, 11, Spherical. The table on this page lists every part number with its tip and spring data.
What temperature range is HCF732 rated for?
HCF732 is specified for -45 °C to +200 °C.
How do I get a price or sample for HCF732?
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 HCF732 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.