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 | Silver Plated Copper Tube |
| Impedance | 50 Ohm |
| Capacitance | 29.0 pF/ft |
| Outer Diameter | 0.141'' (3.581mm) |
| Brand Name | Bing Wire & Cable |
| Model Number | SR-141C-SP |
| 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 | Silver Plated Copper Tube |
| Impedance | 50 Ohm | Capacitance | 29.0 pF/ft |
| Outer Diameter | 0.141'' (3.581mm) | Brand Name | Bing Wire & Cable |
| Model Number | SR-141C-SP | Certification | ISO, RoHS, SGS |
| Place of Origin | Shanghai, China |
SR-141C-SP is a premium 0.141" (3.58mm) 50-ohm semi-rigid coaxial cable engineered for high-performance RF and microwave applications in magnetically sensitive environments like MRI/NMR systems, scientific instruments, and aerospace modules, featuring fully non-magnetic materials (no ferromagnetic alloys) throughout the center conductor, dielectric support, and silver-plated copper outer conductor that delivers 10-15% lower insertion loss than bare copper shields above 6 GHz through superior skin effect conductivity, with 0.141" diameter providing optimal balance between ultra-compact 0.086" routing and lower-loss/higher-power 0.250" trunk lines, solid silver-plated copper center conductor, solid PTFE dielectric (70% VOP), precision ±1.0Ω impedance control maintaining VSWR <1.25:1 to 12.4 GHz (extendable to 18 GHz), >100 dB shielding effectiveness, -55°C to +125°C rating, and excellent vibration resistance for long-term reliability in medical, defense, and research production assemblies.
Fully non-magnetic construction – Safe for MRI/NMR/scientific applications near strong magnets
Silver-plated copper outer conductor – 10-15% lower RF loss vs bare copper shields above 6 GHz
0.141" semi-rigid geometry – 0.075'' minimum bend radius, higher power than 0.086" semi-rigid cables
50-ohm ±1.0Ω impedance control – VSWR <1.25:1 DC-12.4 GHz typical
Low Attenuation – 0.416 dB/ft @ 10 GHz, 0.596 dB/ft @ 18 GHz
PTFE dielectric – 70% VOP, -55°C to +125°C, low outgassing for vacuum use
RoHS compliant – Meets global manufacturing standards
OEM/ODM ready – Low MOQ, custom lengths/pre-formed assemblies from CAD
| Item | Material | Diameter (in) | Diameter (mm) |
|---|---|---|---|
| Centre Conductor | Silver Plated Copper | 0.0362 | 0.9195 |
| Dielectric | Solid PTFE | 0.118 | 2.985 |
| Outer Conductor | Silver Plated Copper Tube | 0.141 +0.002/- 0.001 | 3.581 +0.051/- 0.025 |
| Capacitance (pF/m) | 95.2 |
|---|---|
| Impedance (Ohms) | 50 +/- 1.0 |
| Velocity of Propagation (%) | 70.0 |
| Max. Frequency (GHz) | 34 |
| Max. Voltage @60Hz (V RMS) | 9600 |
| Min. Bend Radius (mm) | 1.905 |
|---|---|
| Weight (kg/100m) | 4.98 |
| Temperature Range (℃) | -55~+125 |
|---|---|
| RoHS | Compliant |
| Frequency (GHz) | Attenuation (dB/m) | Power (Watts cW@20℃) |
|---|---|---|
| 0.50 | 0.25 | 436.4 |
| 1.00 | 0.37 | 303.4 |
| 5.00 | 0.90 | 126.7 |
| 10.00 | 1.36 | 85.3 |
| 18.00 | 1.95 | 60.3 |
| 26.5 | 2.50 | 47.6 |
| 40.00 | ---- | ---- |
| 50.00 | ---- | ---- |
| 65.00 | ---- | ---- |
| 90.00 | ---- | ---- |
MRI/NMR RF systems – Non-magnetic coil-to-amplifier and rack interconnects
Scientific instruments – RF distribution near magnets in spectroscopy, accelerators
Aerospace/defense modules – Radar/EW/SATCOM assemblies requiring magnetic cleanliness
Test & measurement – VNA test ports, phase-stable calibration cables
Medical RF equipment – Imaging amplifiers, therapy devices, non-magnetic subsystems
Telecom infrastructure – Remote radio heads, microwave backhaul modules
Industrial/scientific RF – Plasma systems, materials research, vacuum chambers
Q: What specific materials make SR-141C-SP semi-rigid cable non-magnetic?
A: This 0.141'' semi-rigid cable uses non-magnetic silver plated copper for conductor and shield. No nickel-iron, steel, or other ferromagnetic materials. Verified <0.1% magnetic attraction in 1.5T fields.
Q: How much performance improvement does silver plating provide vs tinned copper?
A: Silver-plated copper shield reduces surface resistance 15-25% above 6 GHz due to optimal skin effect conductivity. Measured improvement: 0.05-0.12 dB/ft lower attenuation at 8-12.4 GHz.
Q: When should I choose 0.141" vs 0.086" non-magnetic semi-rigid cable?
A: SR-141C-SP for longer runs (>12"), higher power (>25W CW @ 5 GHz), or tighter loss budgets. SR-086C for maximum packaging density in ultra-compact modules where 3-5 dB extra loss is acceptable.
Q: Can you manufacture custom pre-formed assemblies?
A: Yes, from your 2D/3D CAD files. Minimum bend radius 0.075". Lead time typically 5-7 business days with VSWR/IL test data. Phase-matched sets available for multi-channel systems.
Q: What are your MOQ and lead times for production?
A: Low MOQ: 10 assemblies minimum for custom work. Stock lengths ship same/next day. 100+ pcs production: 2-3 weeks. Volume pricing available for qualified OEM programs.
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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