Shanghai Bing Wire & Cable Co., Ltd.
| Payment Terms | T/T,Western Union,Paypal |
| Supply Ability | 5000ft 7days |
| Delivery Time | 7-15 work days |
| Cable family | Semi-Rigid Cable |
| Center Conductor | Silver Plated Copper |
| Conductor Type | Solid |
| Dielectric | Solid PTFE |
| Outer Conductor | Copper Tube |
| Impedance | 25 Ohm |
| Capacitance | 190.4 pF/m |
| Outer Diameter | 0.141'' (3.581mm) |
| Brand Name | Bing Wire & Cable |
| Model Number | SR-141C-25 |
| Certification | ISO, RoHS, SGS |
| Place of Origin | Shanghai, China |
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Product Specification
| Payment Terms | T/T,Western Union,Paypal | Supply Ability | 5000ft 7days |
| Delivery Time | 7-15 work days | Cable family | Semi-Rigid Cable |
| Center Conductor | Silver Plated Copper | Conductor Type | Solid |
| Dielectric | Solid PTFE | Outer Conductor | Copper Tube |
| Impedance | 25 Ohm | Capacitance | 190.4 pF/m |
| Outer Diameter | 0.141'' (3.581mm) | Brand Name | Bing Wire & Cable |
| Model Number | SR-141C-25 | Certification | ISO, RoHS, SGS |
| Place of Origin | Shanghai, China |
SR-141C-25 is a 0.141 inch semi-rigid coaxial cable with 25 Ohm impedance, designed for RF and microwave systems where higher current capacity and controlled low-impedance transmission are required. The cable structure uses a silver-plated copper center conductor, PTFE dielectric insulation, and a seamless copper tube outer conductor, forming a stable microwave transmission line with excellent shielding performance. Unlike designs that rely on copper-clad steel conductors, the pure copper conductor used in SR-141C-25 eliminates magnetic materials and provides improved electrical conductivity, which is valuable for sensitive RF measurements and precision instrumentation. The solid copper outer conductor also allows the cable to be formed into permanent shapes during installation, making it suitable for fixed microwave interconnect routing inside RF modules, test equipment, and laboratory systems. Following the widely used 0.141 inch semi-rigid coax format, SR-141C-25 can be integrated into many RF assemblies and microwave hardware designs requiring a low-impedance coaxial transmission line.
25 Ohm low-impedance transmission line - Optimized for RF circuits requiring higher current capability and lower impedance than conventional 50 Ω cables.
Non-magnetic center conductor - Silver-plated copper conductor eliminates ferromagnetic materials and supports sensitive RF measurement environments.
High electrical conductivity - Pure copper conductor provides lower resistance and improved RF signal transmission compared with copper-clad steel designs.
Seamless copper tube outer conductor - Provides excellent electromagnetic shielding and stable impedance along the entire cable length.
Industry standard 0.141 inch semi-rigid size - Compatible with many microwave connector types and cable assembly practices.
PTFE dielectric insulation - Offers stable dielectric properties and reliable operation across wide temperature ranges.
Formable rigid structure - Semi-rigid copper shield allows the cable to be shaped into precise routing paths inside RF modules or test fixtures.
High voltage and power capability - Suitable for microwave power transmission and RF systems requiring robust coaxial interconnects.
| Item | Material | Diameter (in) | Diameter (mm) |
|---|---|---|---|
| Centre Conductor | Silver Plated Copper | 0.0640 | 1.63 |
| Dielectric | Solid PTFE | 0.117 | 2.972 |
| Outer Conductor | Copper Tube | 0.141 +/- 0.001 | 3.581 +/- 0.025 |
| Capacitance (pF/m) | 190.4 |
|---|---|
| Impedance (Ohms) | 25 +/- 1.0 |
| Velocity of Propagation (%) | 70.0 |
| Max. Frequency (GHz) | 29 |
| Max. Voltage @60Hz (V RMS) | 6300 |
| Min. Bend Radius (mm) | 4.775 |
|---|---|
| Weight (kg/100m) | 6.04 |
| Temperature Range (℃) | -55~+125 |
|---|---|
| RoHS | Compliant |
| Frequency (GHz) | Attenuation (dB/m) | Power (Watts cW@20℃) |
|---|---|---|
| 0.50 | 0.332 | 472.5 |
| 1.00 | 0.497 | 329.7 |
| 5.00 | 1.141 | 139.7 |
| 10.00 | 1.695 | 95.0 |
| 18.00 | 2.400 | 67.8 |
| 26.5 | 3.400 | 54.0 |
| 40.00 | ---- | ---- |
| 50.00 | ---- | ---- |
| 65.00 | ---- | ---- |
| 90.00 | ---- | ---- |
RF power transmission systems - Low-impedance coaxial interconnects used in microwave amplifiers and RF power distribution networks.
Microwave test and measurement setups - Stable signal routing for laboratory instruments, calibration fixtures, and RF measurement platforms.
RF module internal interconnects - Semi-rigid coax cable routing inside microwave components, communication hardware, and instrumentation.
Scientific and research equipment - Non-magnetic coaxial transmission lines used in precision measurement systems.
Custom semi-rigid cable assemblies - Used to build microwave jumper cables, RF pigtails, and precision coax assemblies.
A: SR-141C-25 is a 0.141 inch semi-rigid coaxial cable designed with a 25 Ohm characteristic impedance. It is used in RF and microwave systems that require a low-impedance transmission line capable of handling higher current levels.
A: The 25 Ω transmission line allows higher current capacity and improved power handling compared with typical 50 Ω coax cables. This makes it useful for certain RF amplifier circuits and specialized microwave designs.
A: The cable uses a silver-plated copper center conductor, PTFE dielectric insulation, and a seamless copper tube outer conductor. This structure provides strong shielding and stable RF performance.
A: Standard SR-141C cables typically use 50 Ohm impedance, while SR-141C-25 is designed with 25 Ohm impedance for applications requiring different electrical characteristics.
A: Yes. The cable follows the 0.141 inch semi-rigid coaxial cable format, which is widely used in microwave cable assemblies and RF hardware designs.
A: Yes. Semi-rigid coax cables are designed to be formed into permanent shapes using proper bending tools, allowing precise routing inside RF modules or test fixtures.
A: SR-141C-25 can be terminated with many connectors designed for 0.141 inch semi-rigid cable, including SMA and other microwave connector types depending on frequency requirements.
A: Yes. Semi-rigid coax cables are commonly soldered directly to PCB launch structures or microwave modules for controlled RF signal transitions.
A: Yes. The cable can be supplied as cut-to-length bulk cable or custom RF cable assemblies with connectors installed according to project specifications.
A: Typical order details include cable length, connector type, operating frequency range, and quantity. Providing drawings or assembly specifications helps ensure accurate production.
Company Details
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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