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Home > Products > Semi Rigid Coaxial Cables > 0.056" Semi-Rigid Cable 50 Ohm RoHS Certified 90 GHz Coaxial Cable for Test Fixture
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0.056" Semi-Rigid Cable 50 Ohm RoHS Certified 90 GHz Coaxial Cable for Test Fixture

Product Details

Place of Origin: Shanghai, China

Brand Name: Bing Wire & Cable

Certification: ISO, RoHS, SGS

Model Number: SR-056

Document: SR-056.pdf

Payment & Shipping Terms

Minimum Order Quantity: 1 ft

Price: Negotiable

Delivery Time: 7-15 work days

Payment Terms: T/T,Western Union,Paypal

Supply Ability: 5000ft 7days

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Highlight:
Cable Family:
Semi-Rigid Cable
Center Conductor:
Silver Plated Copper Clad Steel
Conductor Type:
Solid
Dielectric:
Solid PTFE
Outer Conductor:
Copper Tube-100% Coverage
Impedance:
50 Ohm
Capacitance:
29.0 PF/ft
Outer Diameter:
0.056'' (1.422mm)
Cable Family:
Semi-Rigid Cable
Center Conductor:
Silver Plated Copper Clad Steel
Conductor Type:
Solid
Dielectric:
Solid PTFE
Outer Conductor:
Copper Tube-100% Coverage
Impedance:
50 Ohm
Capacitance:
29.0 PF/ft
Outer Diameter:
0.056'' (1.422mm)
0.056" Semi-Rigid Cable 50 Ohm RoHS Certified 90 GHz Coaxial Cable for Test Fixture
Product Description

This 0.056 inch (1.42mm) semi-rigid coaxial cable features seamless copper tube outer conductor construction providing 100% RF shielding with excellent signal integrity for microwave applications through 90 GHz. The center conductor utilizes silver-plated copper-clad steel (SCCS) with solid PTFE dielectric, delivering stable 50 Ohm impedance with low insertion loss across the frequency range. The rigid copper tube construction maintains precise conductor spacing for consistent electrical performance while allowing permanent forming for custom routing in tight spaces. This semi-rigid coax is suitable for microwave module internal wiring, test fixture integration, and RF jumper applications where mechanical stability and electrical performance are required.

Key Features
  • 0.056 inch (1.42mm) diameter – Mid-size semi-rigid cable balancing compact footprint with lower loss than smaller diameters, suitable for microwave module integration
  • Seamless copper tube outer conductor – Provides 100% RF shielding with zero signal leakage, eliminating crosstalk in multi-channel assemblies
  • 90 GHz frequency capability – Supports microwave applications through millimeter wave frequencies with usable performance across the spectrum
  • Solid PTFE dielectric – Ensures consistent characteristic impedance for reliable signal transmission
  • SCCS center conductor – Silver-plated copper-clad steel construction for low loss and reliable soldering
  • Permanent forming capability – Can be bent to shape for custom routing in test fixtures and module layouts without spring-back
  • MIL-DTL-17 compliant construction – Meets mil-spec for defense and aerospace applications
  • RoHS certified – Meets environmental compliance requirements for global markets
  • Custom lengths – Cut to exact specifications for prototype through production quantities
  • Connector options – Bare ends for PCB solder, SMA through 26 GHz, 2.92mm through 40 GHz
  • 10 meter minimum order – Low MOQ for test fixture development and production runs
Specifications
Construction
Item Material Diameter (in) Diameter (mm)
Centre Conductor Silver Plated Copper Clad Steel 0.0113 0.2870
Dielectric Solid PTFE 0.037 0.940
Outer Conductor Copper Tube 0.056 +/- 0.002 1.422 +/- 0.051
Electrical Data
Capacitance (pF/m) 95.2
Impedance (Ohms) 50 +/- 2.5
Velocity of Propagation (%) 70.0
Max. Frequency (GHz) 109
Max. Voltage @60Hz (V RMS) 3000
Mechanical Data
Min. Bend Radius (mm) 3.175
Weight (kg/100m) 1.05
Environmental Data
Temperature Range (℃) -55~+175
RoHS Compliant
Attenuation and Power
Frequency (GHz) Attenuation (dB/m) Power (Watts cW@20℃)
0.50 0.8 110.4
1.00 1.1 77.6
5.00 2.6 34.0
10.00 3.7 23.6
18.00 5.1 17.3
26.5 6.4 14.0
40.00 8.0 11.2
50.00 9.1 9.9
65.00 10.6 8.5
90.00 12.8 7.1
Applications
  • Microwave module internal wiring – Pre-formed semi-rigid interconnects for internal signal routing in amplifier modules, frequency converters, and transceiver assemblies up to 90 GHz
  • Test fixture internal signal paths – Permanent wiring within custom test enclosures connecting device sockets to VNA interface ports requiring phase-stable performance
  • RF jumpers and interconnects – Short, formable jumpers for point-to-point connections in microwave systems where mechanical stability is required
  • Semiconductor test industry – Internal wiring within high-frequency test fixtures for device characterization and production testing
  • Aerospace & defense electronics – Internal connections in radar modules, EW systems, and satellite payloads requiring MIL-spec compliant materials
  • 5G mmWave infrastructure – Production test fixtures for millimeter wave power amplifier and front-end module testing
  • Automotive radar – Test fixtures for 77GHz radar sensor characterization and validation
  • Metrology and calibration – Reference standards and calibration fixtures requiring phase-stable, low-loss construction for traceable measurements

FAQ

Q: What is the maximum frequency for this 0.056" semi-rigid cable?

A: This cable is suitable for applications up to 109 GHz with usable performance across microwave and millimeter wave frequencies. The actual frequency limit depends on the specific application and acceptable insertion loss levels.

Q: What type of center conductor does this cable use?

A: The center conductor is silver-plated copper-clad steel (SCCS), providing excellent conductivity while maintaining mechanical strength for permanent forming and soldering.

Q: What is the outer conductor construction?

A: The outer conductor is a seamless copper tube providing 100% shielding coverage, eliminating signal leakage and ensuring excellent RF isolation.

Q: Can this cable be soldered directly to PCB for test fixture construction?

A: Yes. The SCCS center conductor accepts soldering using standard techniques. The rigid copper tube maintains position after soldering, ensuring consistent signal paths.

Q: What is the minimum bend radius for routing within test fixtures?

A: The cable can be permanently formed to shape using radiused forming tools. For specific bend radius requirements, please contact our engineering team.

Q: What connector options are available?

A: Standard options include bare ends for direct soldering, SMA connectors for applications below 26 GHz, and 2.92mm connectors for 40 GHz test systems. Custom connector configurations available upon request.

Q: What is the minimum order quantity?

A: 10 meters minimum order, with custom cut lengths available. This low MOQ supports test fixture prototyping and small production runs.

Q: What documentation is available?

A: We provide material certification, lot traceability records, and MIL-DTL-17 compliance documentation upon request.

Q: Is this cable RoHS compliant?

A: Yes, this semi-rigid coaxial cable is RoHS compliant.

Q: Can I order pre-formed cables to my mechanical drawing?

A: Yes. Send a mechanical drawing or dimensioned sketch, and we will deliver cables formed to your specifications.

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