High-Current Contact Probes · Power electronics
HCF733 High-current Probe
HCF733 is a high-current probe series in the EMSGLOB range, listed under Power electronics. It is laid out for 4.00 mm / 157 mil centre spacing, measures 28.3 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. There are 30 catalogue part numbers in this series, covering 15 tip or head styles such as 05, Concave stepped, 06, Serrated stepped. The plunger is beryllium copper with gold plating, and the barrel is brass with gold plating.
Specifications
| Structure | Basic Contact Probe |
|---|---|
| Pitch | 4.00 mm / 157 mil |
| Operating temperature | -45 °C to +200 °C |
| Total length | 28.3 mm |
| Barrel diameter | 2.65 mm |
| Collar diameter | 3.6 mm |
| Plunger material | Beryllium copper |
| Plunger plating | Gold |
| Barrel material | Brass |
| Barrel plating | Gold |
| Spring material | High-grade steel |
| Spring plating | Uncoated |
| Nominal travel | 4 mm |
| Maximum travel | 5 mm |
| Continuous current | 30 A |
| Typical contact resistance | 8 mΩ |
| Thread | M2 |
| Protrusion height (range) | 8.3 – 10.3 mm |
| Tip style diameter (range) | 1 – 4 mm |
| Press ring diameter | 3.6 mm |
| Preload (range) | 60 – 280 cN |
| Spring force (range) | 150 – 600 cN |
| Tool size | 3 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 (30)
| Part number | Tip style | Tip style diameter | Spring force | Preload | Additional definition | Protrusion height |
|---|---|---|---|---|---|---|
| HCF73305A300U300 | 05 | 3 mm | 300 cN | 60 cN | – | 10.3 mm |
| HCF73305B300G150 | 05 – Concave stepped | 3 mm | 150 cN | 60 cN | – | 10.3 mm |
| HCF73306B180G300 | 06 | 1.8 mm | 300 cN | 60 cN | – | 10.3 mm |
| HCF73306B230G150 | 06 | 2.3 mm | 150 cN | 60 cN | – | 10.3 mm |
| HCF73306B230G300 | 06 | 2.3 mm | 300 cN | 60 cN | – | 10.3 mm |
| HCF73306B300G150 | 06 | 3 mm | 150 cN | 60 cN | – | 10.3 mm |
| HCF73306B300G220 | 06 | 3 mm | 220 cN | 80 cN | – | 8.3 mm |
| HCF73306B300G300 | 06 | 3 mm | 300 cN | 60 cN | – | 10.3 mm |
| HCF73306B300G600 | 06 | 3 mm | 600 cN | 170 cN | – | 10.3 mm |
| HCF73306B400G300 | 06 | 4 mm | 300 cN | 60 cN | – | 10.3 mm |
| HCF73306B400G500 | 06 – Serrated stepped | 4 mm | 500 cN | 150 cN | – | 10.3 mm |
| HCF73307B300G150 | 07 | 3 mm | 150 cN | 60 cN | – | 10.3 mm |
| HCF73307B300G300 | 07 | 3 mm | 300 cN | 60 cN | – | 10.3 mm |
| HCF73311B140G150 | 11 | 1.4 mm | 150 cN | 60 cN | – | 10.3 mm |
| HCF73311B140G300 | 11 | 1.4 mm | 300 cN | 60 cN | – | 10.3 mm |
| HCF73312A300U300 | 12 | 3 mm | 300 cN | 60 cN | – | 10.3 mm |
| HCF73312A300U600 | 12 – Spherical stepped | 3 mm | 600 cN | 170 cN | – | 10.3 mm |
| HCF73312B230G150 | 12 | 2.3 mm | 150 cN | 60 cN | – | 10.3 mm |
| HCF73312B230G300 | 12 | 2.3 mm | 300 cN | 60 cN | – | 10.3 mm |
| HCF73314B230G150 | 14 – 4-point crown stepped (self-cleaning) | 2.3 mm | 150 cN | 60 cN | – | 10.3 mm |
| HCF73314B230G500 | 14 | 2.3 mm | 500 cN | 150 cN | – | 10.3 mm |
| HCF73314B230G500S1 | 14 – 4-point crown stepped (self-cleaning) | 2.3 mm | 500 cN | 150 cN | S1 | 10.3 mm |
| HCF73314B230G600HP | 14 | 2.3 mm | 600 cN | 280 cN | HP | 10.3 mm |
| HCF73316B100G150 | 16 | 1 mm | 150 cN | 60 cN | – | 10.3 mm |
| HCF73317B230G150 | 17 – Flat stepped | 2.3 mm | 150 cN | 60 cN | – | 10.3 mm |
| HCF73317B230G300 | 17 – Flat stepped | 2.3 mm | 300 cN | 60 cN | – | 10.3 mm |
| HCF73317B400G150 | 17 | 4 mm | 150 cN | 60 cN | – | 10.3 mm |
| HCF73317B400G300 | 17 – Flat stepped | 4 mm | 300 cN | 60 cN | – | 10.3 mm |
| HCF73321B180G600 | 21 | 1.8 mm | 600 cN | 170 cN | – | 10.3 mm |
| HCF73355B300G300 | 55 – Concave stepped (self-cleaning) | 3 mm | 300 cN | 60 cN | – | 10.3 mm |
FAQ
What pitch and length is HCF733?
HCF733 has a pitch of 4.00 mm / 157 mil, total length of 28.3 mm and protrusion height of 8.3 – 10.3 mm. The full dimension list is in the specification table on this page.
How much current can HCF733 carry?
The rated continuous current is 30 A, with a typical resistance of 8 mΩ.
Which part numbers and tip styles are available for HCF733?
30 part numbers are listed, for example HCF73305A300U300, HCF73305B300G150, HCF73306B180G300. Tip or head styles include 05, Concave stepped, 06, Serrated stepped, 07, 11. The table on this page lists every part number with its tip and spring data.
What temperature range is HCF733 rated for?
HCF733 is specified for -45 °C to +200 °C.
How do I get a price or sample for HCF733?
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 HCF733 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.