Twist and bend it as you wish

When it comes to test and measurement, SUCOFLEX 500 assemblies guarantee the highest level of satisfaction. Not only are they extremely flexible and easy to use, thanks to their unique design, they also deliver best-in-class phase and amplitude stability with flexure, movement, temperature and tensile stress.

Discover SUCOFLEX 500
0.15 °/ GHz

Phase stability vs. Flexure

50 ppm

Phase stability vs. Temperature (15°C to 30°C)

20 dB

min. 20 dB Return loss up to 26.5 GHz

Extreme flexibility and usability

Thanks to their extremely flexible and smooth design (zero spring back), SUCOFLEX 500 assemblies facilitate calibration setup and handling during measurement.

Unique measurement stability

SUCOFLEX 500 test assemblies set a new standard with regard to return loss, as well as to phase and amplitude stability vs. temperature (no PTFE knee), flexure, movement and tensile stress.

Highest precision and repeatability

Every detail of SUCOFLEX 500 test assemblies has been designed and built to guarantee the most accurate and reliable performance in test and measurement environments.

Rugged cable construction

Empowered by HUBER+SUHNER’s excellence in product design, material and process engineering, the ruggedised construction maximises both crush/torque resistance and bend radius of SUCOFLEX 500 assemblies.

Gentle VNA interface treatment

The 3.5 mm precision connector of SUCOFLEX 500 is very robust and precisely positioned.  This not only boosts accuracy, it also contributes to protecting equipment from wear and damage.

Improved return on investment

SUCOFLEX 500 assemblies are priced lower than comparable high-end products. The cost of ownership is further optimised by their longevity, longer calibration intervals and reduced downtime.

Plug-and-smile Products

SUCOFLEX 526V microwave assemblies for VNA are the first members of the

SUCOFLEX 500 product family. SUCOFLEX 526S, 550V and 550S assemblies will soon widen the range.



SUCOFLEX 526V is the only VNA microwave cable assembly worldwide with max. 50 ppm phase variation vs. temperature between +15 °C and +30 °C. It shows no “PTFE phase knee” at +19°C as on conventional VNA test cable assemblies which cause phase variations and unstable measurements in critical laboratory conditions. SUCOFLEX 526V is available in three standard lengths with ruggedised 3.5 mm VNA-style connectors.


Ruggedised PORT female / Ruggedised DUT male


Ruggedised PORT female /Ruggedised DUT female

Plug-and-smile Technical Data

Mechanical Data
Nominal outer diameter 13.0 mm
Min. bending radius 50 mm
Crush resistance 80 kN/m
Nominal weight (25 inch) 270 g
Nominal weight (38 inch) 345 g
Nominal weight (48 inch) 400 g
Flex life 100'000 cycles
Environmental Data
Operating temperature Laboratory conditions, analyzer specific (+15° C to +30° C)
RoHS, REACH Compliant
Electrical Data
Impedance 50 Ω
Operating frequency up to 26.5 GHz
Velocity of propagation 80 %
Time delay 4.17 ns / m
Return loss min. 20 dB up to 26.5 GHz
Return loss stability > 40 dB up to 26.5 GHz
Screening effectiveness > 90 dB up to 26.5 GHz
Insertion loss (25 inch) max. 2.5 dB 26.5 GHz
Insertion loss (38 inch) max. 3.6 dB 26.5 GHz
Insertion loss (48 inch) max. 4.5 dB 26.5 GHz
Amplitude stability vs. movement * max. 0.05 dB up to 26.5 GHz
Amplitude stability vs. flexure ** max. 0.08 dB up to 26.5 GHz
Phase stability vs. flexure ** (25 inch) max. 3.9° up to 26.5 GHz
Phase stability vs. flexure ** (38 inch) max. 7.4° up to 26.5 GHz
Phase stability vs. flexure ** (48 inch) max. 10.0° up to 26.5 GHz
Phase stability vs. tensile stress max. 0.1° / GHz 100 N, up to 26.5 GHz
Phase stability vs. temperature typically 50 ppm 15°C to 30°C, up to 26.5 GHz

* Stability test vs. movement 30 s, displacement: 100 mm
** Stability test vs. flexure 180°, diameter 115 mm

How can we make you smile?

If you have any questions or feedback on SUCOFLEX 500 test assemblies, we look forward to hearing from you.


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