High-Current Contact Probes · Power electronics
HC048 High-current Probe
HC048 is a high-current probe series in the EMSGLOB range, listed under Power electronics. It is laid out for 14.0 mm / 551 mil centre spacing, is 49.7 mm long overall and offers 5 mm of working travel.
Electrically it is specified for a rated current of 75 A, a typical resistance of 3 mΩ and an operating range of -45 °C to +200 °C. It is ordered as part number HC048B07G28. The plunger is brass with gold plating, and the barrel is brass with uncoated plating.

Specifications
| Structure | Coaxial Probe |
|---|---|
| Pitch | 14.0 mm / 551 mil |
| Operating temperature | -45 °C to +200 °C |
| Additional definition | B |
| Total length | 49.7 mm |
| Protrusion height | 24.7 mm |
| Barrel diameter | 10.95 mm |
| Tip style diameter | 4.8 mm |
| Tip style diameter 2 | 4.8 mm |
| Press ring diameter | 12 mm |
| Collar diameter | 12 mm |
| Tip style | 07 |
| Tip style 2 | 07 |
| Plunger material | Brass |
| Plunger material 2 | Beryllium copper |
| Plunger plating | Gold |
| Plunger plating 2 | Gold |
| Barrel material | Brass |
| Barrel plating | Uncoated |
| Spring material | High-grade steel |
| Spring material 2 | High-grade steel |
| Spring plating | Uncoated |
| Spring plating 2 | Uncoated |
| Preload | 1900 cN |
| Preload 2 | 200 cN |
| Spring force | 2800 cN |
| Spring force 2 | 300 cN |
| Nominal travel | 5 mm |
| Nominal travel 2 | 1.5 mm |
| Maximum travel | 8 mm |
| Maximum travel 2 | 3 mm |
| Connection | Thread |
| Continuous current | 75 A |
| Continuous current 2 | 5 A |
| Typical contact resistance | 3 mΩ |
| Typical contact resistance 2 | 20 mΩ |
| Tip style material | Beryllium copper |
| Tip style plating | Gold |
| Tool size | 11.0 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 (1)
| Part number |
|---|
| HC048B07G28 |
FAQ
What pitch and length is HC048?
HC048 has a pitch of 14.0 mm / 551 mil, total length of 49.7 mm and protrusion height of 24.7 mm. The full dimension list is in the specification table on this page.
How much current can HC048 carry?
The rated continuous current is 75 A, with a typical resistance of 3 mΩ.
What temperature range is HC048 rated for?
HC048 is specified for -45 °C to +200 °C.
How do I get a price or sample for HC048?
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 HC048 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.