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Spring ProbeSpring Probe
Spring Probe
RF Coax TriaxRF Coax Triax
RF Coax Triax
Mother Company following brands: Hypertac, IDI, Florida RF Labs, EMC Technology and Sabritec.

EMC Technology

Florida RF Labs

Hypertac GmbH
Specialist for industrial applicatione using Hyperboloid technique.
Main series is M23 and M12, for Harsh Enviroment.
IP-67 and IP-68
Shielded cables.

Hypertac Interconnect
ESA-approved connectors
High demand, this is our speciality!

Modular connectors for test.

Military applications, Arinc and other standards Air and Space

Medical. Our Eclipta™ connector features a plug-and-play design that enables quick, effortless terminations and virtually eliminates potential contact damage, a unique connector shape and optional keying to ensure proper mating in fast-paced medical environments.

Testprobes, springloaded contacts
Test gig for Semiconductors

RF connectors for High Frequence
Coax, Twinax, Triax and Quadrax contacts 


Hypertac® hyperboloid is the original superior performing contact technology for use in demanding environments where reliability and safety are critical.

The shape of the contact sleeve is formed by hyperbolically arranged contact wires, which align themselves elastically as contact lines around the pin, providing a number of linear contact paths. The smallest practical pin diameter is 0.3mm but there is effectively no upper limit.

The Hypertac hyperboloid contact is available in the following variants:

Hyperboloid Contact Stamped - HCS
Tortac® Contact

The Hypertac hyperboloid contact provides the following commercial benefits:

Low cost of ownership - Does not need replacement during equipment life
Reduced system costs - Equipment design is less critical
Reduced qualification costs - No re-testing due to contact failures

Features & Benefits:

Long contact life (mating cycles in excess of 100.000)
Immunity to shock, vibration, and fretting
Low insertion and extraction force
Low contact resistance
High current ratings

Spring probes are designed to optimize performance in high reliability, multicycle applications. Spring probes are compliant which makes them ideal for blind mate applications as they selfcorrect for x, y, z, rotational and angular misalignment of the target. Offered in compressed heights less than 2 mm and utilized on pitches as tight as 0.4 mm, they are well suited for high density, board-to-board, battery contact and high frequency applications.

Excellent for Blind Mate

Spring probe connectors are compliant on the surface of their mating half, rather than extending into it as with conventional pin and socket connectors. This bestows spring probes with unique blind-mate capabilities.

A spring probe connector may be designed to engage at a 90° angle to its target, wiping into position to clear contaminants. Conversely, the connector may be disengaged in the same way, at any angle, making probe technology the best approach to quick-disconnect applications.[Tolerance Absorption]Low Profile, High Compliance Ratio

Spring probe technology permits a very high compliance-to-length ratio. This allows Smiths Connectors to design connectors as dense as 2mm, while maintaining 0.5mm of compliance.  Spring probe connectors are low profile designs which are forgiving of challenging mating conditions and vibration environments.

High Frequency

A short signal path, combined with design and signal integrity expertise, ensures remarkable connector solutions for both analog and digital applications.

Speeds of 12 Gb/S and bandwidths of 20 GHz can be achieved with spring probe interposers.  Spring probe connectors can also be made coaxial through the use of insulators and metal interposer bodies.[Eye Diagram]Low Stable Resistance

Smiths Connectors’ spring probes feature several innovations for control of DC performance. Advanced biasing techniques provide excellent stability of contact resistance, even under conditions of heavy shock and vibration. Our connectors can be designed to withstand up to 30 Amps of current.[Bias Ball Cross Section]High Insertion Life

Spring contact probes are capable of remarkable longevity from 20K to 500K cycles based on design. Our probes are driven by helical coil springs, which maintain a constant force of contact over millions of cycles.  Our extensive plating and materials knowledge combined with engineering expertise delivers contacts that exceed the highest customer specifications for insertion life.

Environmentally Sealed

Smiths Connectors’ application expertise and the durable nature of our contacts permit us to design connectors with excellent performance in harsh environments. IP68 and MIL810 requirements can be accommodated without sacrificing performance.

Quadrax and twinax contacts are designed for transmission of Ethernet high speed signal in harsh environments where integrity and reliability are essential. Consisting of an outer shield and either two (twinax) or four (quadrax) inner contacts, the high speed copper contacts can be setup in a number of formats including MIL-DTL-38999, ARINC 600, MIL-DTL-83527 and D-subminiature.


Data rates exceeding 2 Gbps
Matched impedance solutions for 100, 110 and 150 Ω characteristic applications
Bandwidth: up to 3 GHz
High speed data transmission
Minimized jitter and data rate errors
Manufacturing protocols: Fibre Channel, Ethernet Firewire, USB, DVI and InfiniBand


While serial data bus has long served as the backbone bus in systems, more demanding data intensive mission requirements including video, audio and data-distribution, have pushed serial data bus of 1 Mbit/Sec beyond the limits of its bandwidth. Today’s serial transmission rate will no longer support these requirements.

However, the commercially available interconnects used for these different topographies will also not survive in the harsh environmental and mechanical environments required for some systems. This shortfall has resulted in the application of high-speed office-based bus structures adapted for higher data rate systems.

Fibre Channel
Ethernet 100 Base-T
1394b Firewire
Gigabit Ethernet, Intellibus, Infiniband

To achieve the data rates that are required for the above listed protocols differential twinax and quadrax contacts were developed. The signal to signal and signal to shield characteristic impedance is maintained throughout the connector pair. A true twinaxial connector interface ensures signal integrity while minimizing jitter and data rate errors.

Twinax Contacts
Consist of an outer shield with two inner contacts spaced to form a 100 Ohm, 110 Ohm or 150 Ohm controlled impedance differential pair.

Quadrax Contacts
Consist of an outer shield with four inner conductors paired orthogonally forming two 100 Ohm, 110 Ohm or 150 Ohm controlled impedance differential pairs. Quadrax contacts offer several advantages for high data transfer rates, low power consumption and excellent EMI compatibility. Four strategically spaced inner contacts form two 100, 110 or 150 ohm matches impedance differential pairs. Outer contact has rugged wall section for durability

Electrical Performance

Bandwidth: Up to 3 Gigahertz
Data Rates: 100 Mbps – 4 Gbps and beyond

Connector Formats
Smiths Connectors is currently shipping connectors with Twinax and Quadrax contacts in all of the following formats:

ARINC 600 (664 Ethernet for the Sky applications)
D-Sub – High Density, Combo-D and Specials