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China factory - Shanghai Bing Wire & Cable Co., Ltd.

Shanghai Bing Wire & Cable Co., Ltd.

  • China,Shanghai ,Shanghai
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  3. 0.070" Semi-Rigid Coaxial Cable 50 Ohm Low Loss Feeder Cable for Test and
China 0.070" Semi-Rigid Coaxial Cable 50 Ohm Low Loss Feeder Cable for Test and
China 0.070" Semi-Rigid Coaxial Cable 50 Ohm Low Loss Feeder Cable for Test and

  1. China 0.070" Semi-Rigid Coaxial Cable 50 Ohm Low Loss Feeder Cable for Test and
  2. China 0.070" Semi-Rigid Coaxial Cable 50 Ohm Low Loss Feeder Cable for Test and
  3. China 0.070" Semi-Rigid Coaxial Cable 50 Ohm Low Loss Feeder Cable for Test and
  4. China 0.070" Semi-Rigid Coaxial Cable 50 Ohm Low Loss Feeder Cable for Test and
  5. China 0.070" Semi-Rigid Coaxial Cable 50 Ohm Low Loss Feeder Cable for Test and
  6. China 0.070" Semi-Rigid Coaxial Cable 50 Ohm Low Loss Feeder Cable for Test and
  7. China 0.070" Semi-Rigid Coaxial Cable 50 Ohm Low Loss Feeder Cable for Test and
  8. China 0.070" Semi-Rigid Coaxial Cable 50 Ohm Low Loss Feeder Cable for Test and

0.070" Semi-Rigid Coaxial Cable 50 Ohm Low Loss Feeder Cable for Test and

  1. MOQ： 1 ft
  2. Price： Negotiable
  3. Get Latest Price
Center Conductor Silver Plated Copper Clad Steel
Impedance 50 Ohm
Outer Diameter 0.070'' (1.778mm)
Conductor Type Solid
Capacitance 29.0 pF/ft
Outer Conductor Copper Tube-100% coverage
Delivery Time 7-15 work days
Payment Terms T/T,Western Union,Paypal
Dielectric Low Density PTFE
Cable family Semi-Rigid Cable
Supply Ability 5000ft 7days
Brand Name Bing Wire & Cable
Certification ISO, RoHS, SGS
Model Number SR-070-LL
Place of Origin Shanghai, China

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  1. Product Details
  2. Company Details

Product Specification

Center Conductor Silver Plated Copper Clad Steel Impedance 50 Ohm
Outer Diameter 0.070'' (1.778mm) Conductor Type Solid
Capacitance 29.0 pF/ft Outer Conductor Copper Tube-100% coverage
Delivery Time 7-15 work days Payment Terms T/T,Western Union,Paypal
Dielectric Low Density PTFE Cable family Semi-Rigid Cable
Supply Ability 5000ft 7days Brand Name Bing Wire & Cable
Certification ISO, RoHS, SGS Model Number SR-070-LL
Place of Origin Shanghai, China
High Light 0.070" Semi-Rigid Coaxial Cable ，Semi-Rigid Coaxial Cable for Test
Product Description

The SR-070-LL is a 0.070 inch (1.78mm) low loss semi-rigid coaxial cable engineered for applications where minimal signal attenuation is critical. Featuring optimized copper tube construction with low density PTFE dielectric, this cable delivers significantly lower insertion loss than standard 0.047" and 0.056" designs while maintaining a compact form factor. The seamless copper tube outer conductor provides 100% RF shielding with effectiveness exceeding 100 dB, eliminating signal leakage in sensitive receiver paths and multi-channel arrays. The silver-plated copper-clad steel center conductor ensures reliable soldering and mechanical stability for permanent installations. With frequency capability extending to 40 GHz and phase-stable construction suitable for aerospace, defense, and test applications, this ultra low loss semi-rigid cable meets the demands of satellite communications, microwave systems, and high-performance test fixtures where every 0.1 dB of loss matters.

Key Features
  • Low loss design – Optimized conductor geometry and low density PTFE dielectric reduce attenuation by 20-30% compared to standard semi-rigid cables of similar diameter
  • 0.070 inch (1.78mm) diameter – Larger form factor enables lower loss while maintaining compatibility with compact system layouts
  • Seamless copper tube outer conductor – Provides 100% RF shielding with zero signal leakage and shielding effectiveness >100 dB
  • 40 GHz frequency capability – Supports microwave and millimeter wave applications through Ku, K, and Ka bands
  • Optimized PTFE dielectric – Engineered for minimum insertion loss with stable 50 Ohm impedance across temperature
  • SCCS center conductor – Silver-plated copper-clad steel for excellent conductivity and reliable soldering
  • Phase stable construction – Copper tube geometry maintains consistent electrical length under mechanical stress and temperature variation
  • Permanent forming capability – Can be bent to shape for custom routing without spring-back or performance degradation
  • MIL-DTL-17 compliant – Available with mil-spec compliance for defense and aerospace programs
  • 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, TNC, and N-Type
  • 10 meter minimum order – Low MOQ for development projects and production runs
Specifications
Construction
Item Material Diameter (in) Diameter (mm)
Centre Conductor Silver Plated Copper Clad Steel 0.0201 0.5105
Dielectric Low Density PTFE 0.059 1.499
Outer Conductor Copper Tube 0.070 +/- 0.001 1.778 +/- 0.025
Electrical Data
Capacitance (pF/m) 95.2
Impedance (Ohms) 50 +/- 1.5
Velocity of Propagation (%) 77.0
Max. Frequency (GHz) 73
Max. Voltage @60Hz (V RMS) 4200
Mechanical Data
Min. Bend Radius (mm) 6.350
Weight (kg/100m) 1.13
Environmental Data
Temperature Range (℃) -55~+250
RoHS Compliant
Attenuation and Power
Frequency (GHz) Attenuation (dB/m) Power (Watts cW@20℃)
0.50 0.45 265.5
1.00 0.64 187.2
5.00 1.46 82.8
10.00 2.09 58.1
18.00 2.83 42.9
26.5 3.48 35.1
40.00 4.33 28.2
50.00 4.88 25.1
65.00 5.63 21.8
90.00 ---- ----
Applications
  • Satellite communications – Low loss feeder links and payload interconnects for Ku/Ka-band transponders
  • Microwave systems – Internal wiring in transceivers, up/down converters, and microwave assemblies
  • Test and measurement – Phase-stable signal paths in VNA test fixtures and ATE systems
  • Aerospace and defense – Radar modules, electronic warfare systems, and secure communication links
  • Telecommunications infrastructure – Backhaul equipment and base station components
  • Broadcast and CATV – Headend equipment and distribution systems requiring low loss
  • Medical electronics – MRI and RF ablation systems demanding clean signal transmission
  • Industrial RF – Plasma generation, dielectric heating, and sensing applications
  • Research laboratories – Custom test setups and experimental configurations
FAQ
Q: What makes SR-070-LL "low loss" compared to standard semi-rigid coaxial cables?
A: The SR-070-LL utilizes optimized conductor geometry and low density PTFE dielectric specifically engineered to reduce attenuation by 20-30% compared to standard semi-rigid cables of similar diameter. This translates to lower signal degradation over longer cable runs or in loss-sensitive applications.
Q: What is the maximum frequency for SR-070-LL?
A: This cable is specified for operation up to 40 GHz with usable performance across microwave and millimeter wave frequencies through Ka-band.
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 reliable soldering.
Q: What is the outer conductor construction?
A: The outer conductor is a seamless copper tube providing 100% shielding coverage with effectiveness exceeding 100 dB, eliminating signal leakage and ensuring excellent RF isolation.
Q: Can this semi-rigid cable be soldered directly to PCB?
A: Yes. The SCCS center conductor accepts soldering using standard techniques. The rigid copper tube maintains position after soldering for permanent installations.
Q: What connector options are available?
A: Standard options include bare ends for direct soldering, SMA connectors for applications below 26 GHz, 2.92mm connectors for 40 GHz systems, TNC, and N-Type. Custom configurations available upon request.
Q: What is the minimum order quantity?
A: 10 meters minimum order, with custom cut lengths available down to 0.5 inch increments.
Q: Is this cable RoHS compliant?
A: Yes, this low loss 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.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Trading Company

  • Year Established:

    2005

  • Total Annual:

    12100000- 18600000

  • Employee Number:

    11~50

  • Ecer Certification：

    Verified Supplier

About Us—Shanghai Baiyin Cable Co., Ltd. Since 2005, Shanghai Baiyin Cable Co., Ltd. has specialized in designing and manufacturing high-performance cables for demanding environments. Headquartered in Shanghai, we serve global industries with tailored solutions engineered for reliability, prec... About Us—Shanghai Baiyin Cable Co., Ltd. Since 2005, Shanghai Baiyin Cable Co., Ltd. has specialized in designing and manufacturing high-performance cables for demanding environments. Headquartered in Shanghai, we serve global industries with tailored solutions engineered for reliability, prec...

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Get in touch with us

  • Reach Us
  • Shanghai Bing Wire & Cable Co., Ltd.
  • Room 204,BLDG.6,Lane 4703,Rd.Jiaotong,Putuo District ,Shanghai,China
  • https://www.bwcwire.com/

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