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industrial data rf cable seriesDC–18 / 26.5 / 40 / 50 GHz50 Ω · 77 % VoP LD-PTFEPhase- & Amplitude-Stable

SUCOFLEX 100 Low-Loss Phase-Stable Microwave Test & Aerospace50 Ω 77 % VoP low-density PTFE phase-stable microwave test & aerospace coax (DC–50 GHz)

Q: How do SUCOFLEX 101, 102, 103, 104, and 106 differ across the series?

All five share the same 77 % VoP low-density microporous PTFE construction and dual flat-ribbon + tubular silver-plated copper shield, scaled by diameter and cutoff frequency: SUCOFLEX 101 (Ø 3.65 mm) operates to 50 GHz; 102 (Ø 4.0 mm) to 40 GHz; 103 (Ø 4.6 mm) to 26.5 GHz; 104 (Ø 5.5 mm) to 18 GHz; and 106 (Ø 7.9 mm) provides ultra-low insertion loss (68 dB/100m at 18 GHz) up to 18 GHz.

Q: What is the difference between standard SUCOFLEX 104 and SUCOFLEX 104P?

Standard SUCOFLEX 104 uses a solid silver-plated copper center conductor for lowest insertion loss in fixed airframe/satellite harnesses, whereas the 'P' (Performance flex) version uses a 7-strand silver-plated center conductor for repeated dynamic flexing in VNA test leads.

Q: Why is phase stability (< 0.8°/GHz) critical in AESA radar and VNA measurements?

In active electronically scanned array (AESA) radars and microwave interferometer direction-finders, beam steering and angle-of-arrival accuracy depend on sub-degree phase matching across channels; low-density microporous PTFE and tension-balanced tubular braiding prevent mechanical bends or thermal swings from shifting electrical length.

Q: Can SUCOFLEX 100 be used in outer-space vacuum environments?

Yes. When ordered with space-grade conditioning (vented connectors and ECSS-Q-ST-70-02 thermal-vacuum bakeout), SUCOFLEX 100 exhibits TML < 1.0 % and CVCM < 0.1 % for GEO/LEO satellite payloads.

50 Ω ultra-low-loss phase-stable flexible microwave test and aerospace coaxial cable (SUCOFLEX 101 / 102 / 103 / 104 / 106) per MIL-DTL-17 with a silver-plated core, microporous ePTFE dielectric (77 % VoP), dual silver shields (> 90 dB), and FEP jacket.

Low-EMC design

EMC screen

Approved

Flame-retardant

Configuration

Order designation: SUCOFLEX 104 (18 GHz)
Outer Ø ≈: 5.50 mm
Wall thickness: 0.45 mm
Total weight ≈: 73.0 kg/km
Min. bend R (fixed): 16 mm

All sizes (8)

Request a quote Datasheet WhatsApp

Engineering reply in 2 business hoursCut-to-length export drumsEN 10204 3.1 certificate per drum

Impedance: 50 Ω ± 1 Ω
Max frequency: 18 to 50 GHz
Velocity (VoP): 77 %
Phase vs bend: < 0.8° / GHz
RF shielding: > 90 dB
Temperature: -55…+165 °C

Typical values for this cable type, based on IEC 61196-1 / MIL-DTL-17 & ECSS-Q-ST-70 (Phase-Stable Microwave Coax) — confirmed in the datasheet and quotation for your order.

Application fit

Is SUCOFLEX 100 right for your machine?

Specify SUCOFLEX 100 series cables for vector network analyzer (VNA) test leads, phased-array radar beamforming networks, EW direction-finding interferometers, and thermal-vacuum satellite payloads.

Switchgear & control cabinet wiring

Suitable

Flexible upgrade to RG-402/RG-405 semi-rigid tubing, holding < 0.8°/GHz phase and ± 0.05 dB amplitude stability under flex.

VFD inverter to AC motor screened feeder

Suitable

Helically wrapped silver-plated copper flat tape plus high-density tubular braid provides > 90 dB screening through 50 GHz.

Fixed installation

Suitable

Low-density microporous PTFE minimizes the +19 °C PTFE crystal transition phase step across -55 °C to +165 °C.

Motorised monospiral reel

Not suitable

Precision microwave coax is built for VNA test benches, phased arrays, and airframe harnesses, not heavy reeling drums.

Use LMR-400-UF UltraFlex

Typical machinesVector Network Analyzer (VNA) & ATE TestAESA Phased-Array Radar BeamformingEW Direction-Finding & ELINT ReceiversSatellite & Deep-Space Payloads (P-Version)5G FR2 mmWave & Automotive Radar Chambers

Construction

Layer by layer

SUCOFLEX 100 build: solid or 7-strand silver-plated copper center conductor, low-density microporous taped PTFE (77 % VoP), inner flat Ag-Cu ribbon + outer tubular Ag-Cu braid, and blue FEP jacket.

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Silver-plated copper (SPC / SPCW) center conductor	ASTM B298 solid or 7-strand silver-plated oxygen-free copper (Ø 0.65 mm on 101 to Ø 2.05 mm on 106)Ultra-smooth silver surface finish minimizes microwave skin-effect attenuation up to 50 GHz
2	Low-density microporous PTFE (LD-PTFE) dielectric	Precision tape-wrapped microporous polytetrafluoroethylene (εr = 1.69, 77 % VoP, 87.0 pF/m, 4.3 ns/m)Delivers 30 % lower dielectric loss than solid PTFE and superior phase vs temperature tracking
3	Inner silver-plated copper flat ribbon wrap	Helically overlapped silver-plated copper flat foil strip (100 % optical coverage)Forms a flexible low-loss waveguide boundary with minimal phase change under bending
4	Outer silver-plated copper tubular wire braid	High-tensile silver-plated copper wire braid (> 90 dB RF shielding from 100 MHz to 50 GHz)Stabilises axial length and prevents torque-induced phase shift
5	Fluoropolymer (FEP / ETFE) jacket (+ optional crush armor)	Translucent blue FEP jacket (-55 to +165 °C), radiation-resistant ETFE (E-version), or stainless steel crush armor (A-version)Low outgassing (TML < 1 %, CVCM < 0.1 %) and full chemical immunity

SUCOFLEX 101 (50 GHz) / 102 (40 GHz) / 103 (26.5 GHz)

Millimeter-wave & K/Ka-band test and interconnect cables (Ø 3.65 mm to Ø 4.60 mm)

SUCOFLEX 104 (18 GHz · Ø 5.5 mm) & 106 (18 GHz · Ø 7.9 mm)

Workhorse 18 GHz phase-stable aerospace & radar trunk cables (plus 'P' stranded & 'A' armored options)

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on IEC 61196-1 / MIL-DTL-17 & ECSS-Q-ST-70 (Phase-Stable Microwave Coax). Values for your order are confirmed in the datasheet and quotation.

Electrical

Characteristic impedance: 50 Ω ± 1 Ω
Velocity of propagation: 77 % nominal (87.0 pF/m, 4.3 ns/m delay)
Max. operating frequency: 50 GHz (101) · 40 GHz (102) · 26.5 GHz (103) · 18 GHz (104/106)
Attenuation @ 18 GHz: 178 dB/100m (101) · 142 (102) · 96 (104) · 68 dB/100m (106)
Phase / amplitude stability: < 0.8°/GHz (360° bend) · ± 0.05 dB amplitude stability
Shielding effectiveness: > 90 dB (100 MHz to max frequency)

Thermal

Operating temperature range: -55 °C to +165 °C (-40 to +85 °C PUR armored)
Avg CW power @ 18 GHz (+40 °C): 68 W (101) · 95 W (102) · 180 W (104) · 300 W (106)
Thermal phase stability: < 600 ppm (-40 °C to +85 °C)

Mechanical

Outer jacket diameter: 3.65 mm (101) · 4.0 (102) · 4.6 (103) · 5.5 (104) · 7.9 mm (106)
Min. bending radius (static): 11 mm (101) · 12 (102) · 14 (103) · 16 (104) · 24 mm (106)
Min. bending radius (dynamic): 25 mm (101) · 25 (102) · 30 (103) · 35 (104) · 55 mm (106)

Resistance

Space outgassing (ECSS): TML < 1.0 % · CVCM < 0.1 % per ECSS-Q-ST-70-02
Radiation resistance (E-type): Up to 100 Mrad gamma/electron radiation with ETFE jacket
Fluid & flame resistance: FAR 25.869 / UL VW-1 & Skydrol/fuel resistant

Reference standards

Test & space standards: IEC 61196-1, MIL-DTL-17, ECSS-Q-ST-70-02
Connector compatibility: PC 2.4, PC 2.92 (K), PC 3.5, SMA, TNC, Type N, SK
RoHS & REACH: RoHS 3 & REACH SVHC compliant

Identification

Outer sheath colour: Translucent Blue FEP (standard) or Black Armor
Surface legend: TEBAOFLEX SUCOFLEX 104 50 OHM 18GHZ PHASE-STABLE MICROWAVE COAX
Customs tariff (HS): 8544.20

Sizes

8 standard configurations (SUCOFLEX 100)

Engineering dimensions, impedance, propagation velocity, and electrical ratings for SUCOFLEX 100 per IEC 61196-1 / MIL-DTL-17 & ECSS-Q-ST-70 (Phase-Stable Microwave Coax).

Dimensions & weights
Order designation	Impedance / size	Conductor & dielectric	Wall ≈ mm	Outer Ø ≈ mm	Metal kg/km	Weight ≈ kg/km	Min. bend R fixed mm
Standard SUCOFLEX 100 configurations
SUCOFLEX 101 (50 GHz)	50 Ω · DC–50 GHz	Solid SPC Ø 0.65 + LD-PTFE	0.35	3.65	22.0	34.0	11
SUCOFLEX 101P (Flex 50G)	50 Ω · DC–50 GHz Stranded	7-Wire SPC + LD-PTFE	0.35	3.65	22.0	34.0	11
SUCOFLEX 102 (40 GHz)	50 Ω · DC–40 GHz	Solid SPC Ø 0.82 + LD-PTFE	0.38	4.00	28.0	43.0	12
SUCOFLEX 103 (26.5 GHz)	50 Ω · DC–26.5 GHz	Solid SPC Ø 1.05 + LD-PTFE	0.40	4.60	36.0	55.0	14
SUCOFLEX 104 (18 GHz)	50 Ω · DC–18 GHz	Solid SPC Ø 1.42 + LD-PTFE	0.45	5.50	48.0	73.0	16
SUCOFLEX 104P (Flex 18G)	50 Ω · DC–18 GHz Stranded	7-Wire SPC Ø 1.42 + LD-PTFE	0.45	5.50	48.0	73.0	16
SUCOFLEX 104A (Armored)	50 Ω · DC–18 GHz Armored	104 Core + SS Crush Armor	1.20	9.90	95.0	165.0	40
SUCOFLEX 106 (Low-Loss 18G)	50 Ω · DC–18 GHz Trunk	Solid SPC Ø 2.05 + LD-PTFE	0.55	7.90	88.0	135.0	24

Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
Outer diameters and weights are nominal engineering values for SUCOFLEX 100 subject to standard manufacturing tolerances per IEC 61196-1 / MIL-DTL-17 & ECSS-Q-ST-70 (Phase-Stable Microwave Coax).

RF & electrical data
Configuration	Max. DC R @ 20 °C Ω/km	Char. Z0 Ω	Velocity VoP / L (% or nH/m)	Dielectric test V AC rms
SUCOFLEX 101 (50 GHz) (50 Ω · DC–50 GHz)	56.00	50.0	77.0	1,000
SUCOFLEX 101P (Flex 50G) (50 Ω · DC–50 GHz Stranded)	62.00	50.0	77.0	1,000
SUCOFLEX 102 (40 GHz) (50 Ω · DC–40 GHz)	35.00	50.0	77.0	1,200
SUCOFLEX 103 (26.5 GHz) (50 Ω · DC–26.5 GHz)	21.50	50.0	77.0	1,500
SUCOFLEX 104 (18 GHz) (50 Ω · DC–18 GHz)	11.80	50.0	77.0	2,000
SUCOFLEX 104P (Flex 18G) (50 Ω · DC–18 GHz Stranded)	13.00	50.0	77.0	2,000
SUCOFLEX 104A (Armored) (50 Ω · DC–18 GHz Armored)	11.80	50.0	77.0	2,000
SUCOFLEX 106 (Low-Loss 18G) (50 Ω · DC–18 GHz Trunk)	5.60	50.0	77.0	2,500

Characteristic impedance, propagation velocity, DC resistance at +20 °C, and dielectric withstand voltages verified per IEC 61196-1 / MIL-DTL-17 & ECSS-Q-ST-70 (Phase-Stable Microwave Coax).

Quality & approvals

Testing & inspection

Routine tests on every production length, sample and type tests per batch — documented on an EN 10204 3.1 inspection certificate.

ConductorClass 5 stranding
Spark test100 % in-line
Lay-upCores, earth, fillers
SheathingInner, braid / screen, outer
Electrical testsAC voltage, resistance
DimensionsOD, wall thickness
Inspection documents & dispatchDrum & dispatch

Testing & inspection	Test value / reference	Frequency
Routine tests
Characteristic impedance, return loss (VSWR) & TDR sweep	100 % frequency-domain return loss and TDR impedance verification per IEC 61196-1 / MIL-DTL-17 & ECSS-Q-ST-70 (Phase-Stable Microwave Coax)	Every manufactured length
Dielectric spark & high-voltage withstand test	100 % in-line spark and AC/DC dielectric withstand per IEC 61196-1 / MIL-DTL-17 & ECSS-Q-ST-70 (Phase-Stable Microwave Coax)	Every spool or drum length
Sample tests
Insertion loss (attenuation), velocity & capacitance check	Attenuation (dB/100m), VoP (%), and capacitance within IEC 61196-1 / MIL-DTL-17 & ECSS-Q-ST-70 (Phase-Stable Microwave Coax) limits	Per production batch
Screening attenuation, transfer impedance & environmental qualification	Qualified to IEC 61196-1 / MIL-DTL-17 & ECSS-Q-ST-70 (Phase-Stable Microwave Coax) EMC shielding, thermal, and flame/fluid criteria	Type qualification

Inspection certificate

Issued with every drum, listing the routine test results for that length.

Product approvals

IEC 61196-1 / MIL-DTL-17 & ECSS-Q-ST-70 (Phase-Stable Microwave Coax)CE (2014/35/EU) & RoHS 3 (2015/863/EU) CompliantREACH SVHC Compliance Verified

Company certificates

ISO 9001ISO 14001ISO 45001VDE marks approvalUL / cULCE · LVD / EMC

Marking & supply

Ordering & delivery

Sheath marking

TEBAOFLEX SUCOFLEX 104 50 OHM 77% VoP PHASE-STABLE MICROWAVE COAX

Delivery form: Export wooden drums, flange reels or precision coils
Standard lengths: 100 m · 305 m · 500 m · 1000 m (or custom cut lengths)
MOQ: 100 m (stock sizes) · 300–500 m (custom build)
Lead time: 2–4 weeks ex-works
Incoterms: EXW, FOB, CIF, DAP

Technical documents

Downloads

PDFSUCOFLEX 100 Low-Loss Phase-Stable Microwave Test & Aerospace – technical datasheet8 sizes · construction, technical data, approvals XLSXSUCOFLEX 100 spec data (Excel)All 8 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-20
Updated: 2026-10-20

FAQ

Questions engineers ask first

Not covered here? Send your drawing — an engineer replies within 2 business hours.

How do SUCOFLEX 101, 102, 103, 104, and 106 differ across the series?

All five share the same 77 % VoP low-density microporous PTFE construction and dual flat-ribbon + tubular silver-plated copper shield, scaled by diameter and cutoff frequency: SUCOFLEX 101 (Ø 3.65 mm) operates to 50 GHz; 102 (Ø 4.0 mm) to 40 GHz; 103 (Ø 4.6 mm) to 26.5 GHz; 104 (Ø 5.5 mm) to 18 GHz; and 106 (Ø 7.9 mm) provides ultra-low insertion loss (68 dB/100m at 18 GHz) up to 18 GHz.

What is the difference between standard SUCOFLEX 104 and SUCOFLEX 104P?

Standard SUCOFLEX 104 uses a solid silver-plated copper center conductor for lowest insertion loss in fixed airframe/satellite harnesses, whereas the 'P' (Performance flex) version uses a 7-strand silver-plated center conductor for repeated dynamic flexing in VNA test leads.

Why is phase stability (< 0.8°/GHz) critical in AESA radar and VNA measurements?

In active electronically scanned array (AESA) radars and microwave interferometer direction-finders, beam steering and angle-of-arrival accuracy depend on sub-degree phase matching across channels; low-density microporous PTFE and tension-balanced tubular braiding prevent mechanical bends or thermal swings from shifting electrical length.

Can SUCOFLEX 100 be used in outer-space vacuum environments?

Yes. When ordered with space-grade conditioning (vented connectors and ECSS-Q-ST-70-02 thermal-vacuum bakeout), SUCOFLEX 100 exhibits TML < 1.0 % and CVCM < 0.1 % for GEO/LEO satellite payloads.

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SUCOFLEX 100 Low-Loss Phase-Stable Microwave Test & Aerospace

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Datasheet Request a quote

SUCOFLEX 100 Low-Loss Phase-Stable Microwave Test & Aerospace50 Ω 77 % VoP low-density PTFE phase-stable microwave test & aerospace coax (DC–50 GHz)

Switchgear & control cabinet wiring

VFD inverter to AC motor screened feeder

Fixed installation

Motorised monospiral reel

SUCOFLEX 101 (50 GHz) / 102 (40 GHz) / 103 (26.5 GHz)

SUCOFLEX 104 (18 GHz · Ø 5.5 mm) & 106 (18 GHz · Ø 7.9 mm)

Electrical

Thermal

Mechanical

Resistance

Reference standards

Identification

Inspection certificate

Product approvals

Company certificates

01Selected sizes

02Reel & motion

03Message for our engineers

RG-401-U / RG-402-U / RG-405-U

BCB012

BCB029

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