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| Categories | Semi-Rigid Coax |
|---|---|
| MOQ: | 1 ft |
| Center Conductor: | Silver Plated Copper Clad Steel |
| Place of Origin: | Shanghai, China |
| Payment Terms: | T/T,Western Union,Paypal |
| Price: | Negotiable |
| Cable family: | Semi-Rigid Cable |
| Model Number: | SR-056-STR |
| Brand Name: | Bing Wire & Cable |
| Outer Conductor: | Copper Tube-100% coverage |
| Certification: | ISO, RoHS, SGS |
| Capacitance: | 95.2 pF/m |
| Delivery Time: | 7-15 work days |
| Outer Diameter: | 0.056'' (1.422mm) |
| Impedance: | 50 Ohm |
| Conductor Type: | Stranded |
| Supply Ability: | 5000ft 7days |
| Dielectric: | Solid PTFE |
| Company Info. |
| Shanghai Bing Wire & Cable Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
SR-056-STR is a specialized 0.056" 50-ohm semi-rigid coaxial cable featuring a stranded silver-plated copper-clad steel center conductor that provides exceptional flex fatigue resistance for applications requiring repeated handling, vibration endurance, or frequent reconfiguration. Unlike traditional solid-conductor semi-rigid cables that work-harden and crack after hundreds of bend cycles, the stranded SCCS core maintains electrical integrity through 10,000+ flex cycles while preserving the solid copper outer conductor's benefits of precise impedance control, excellent shielding (>95 dB), and formability for stable RF performance up to 111 GHz. This hybrid construction serves development labs, field service technicians, production test environments, and vibration-prone installations where cable longevity directly reduces maintenance costs and downtime.
Stranded SCCS center conductor - 10,000+ flex cycles vs 500 for solid conductors
0.056" flexible semi-rigid cable- 0.063 minimum bend radius, vibration resistant
50-ohm ±4Ω impedance - VSWR <1.3:1 DC-18 GHz after repeated flexing
Solid copper outer conductor - >95 dB shielding, precise formability maintained
PTFE dielectric - 70% VOP, -55°C to +175°C operation post-flex fatigue
Low Attenuation - 1.17 dB/ft @ 10 GHz, 1.61 dB/ft @ 18 GHz typical
OEM custom lengths - Low MOQ for test lab and field service requirements
| Item | Material | Diameter (in) | Diameter (mm) |
|---|---|---|---|
| Centre Conductor | Silver Plated Copper Clad Steel | 0.0113 | 0.2870 |
| Dielectric | Solid PTFE | 0.036 | 0.914 |
| Outer Conductor | Copper Tube | 0.056 +/- 0.002 | 1.422 +/- 0.051 |
| Capacitance (pF/m) | 95.2 |
|---|---|
| Impedance (Ohms) | 50.0 +/- 4 |
| Velocity of Propagation (%) | 70.0 |
| Max. Frequency (GHz) | 111 |
| Max. Voltage @60Hz (V RMS) | 3000 |
| Min. Bend Radius (mm) | 1.600 |
|---|---|
| Weight (kg/100m) | 1.08 |
| Temperature Range (℃) | -55~+175 |
|---|---|
| RoHS | Compliant |
| Frequency (GHz) | Attenuation (dB/m) | Power (Watts cW@20℃) |
|---|---|---|
| 0.50 | 0.8 | 107.3 |
| 1.00 | 1.2 | 75.4 |
| 5.00 | 2.7 | 33.0 |
| 10.00 | 3.8 | 23.0 |
| 18.00 | 5.3 | 16.8 |
| 26.5 | 6.5 | 13.6 |
| 40.00 | 8.2 | 10.9 |
| 50.00 | 9.3 | 9.6 |
| 65.00 | 10.9 | 8.3 |
| 90.00 | 13.1 | 6.9 |
RF development laboratories - Test cables for daily handling/reconfiguration cycles
Field service technicians - Portable test equipment surviving repeated setups
Vibration environments - Airborne test gear, vehicle-mounted RF systems
Production test fixtures - Stations requiring frequent cable repositioning
Wireless infrastructure - Temporary test cables during 5G base station deployment
Automotive radar development - Test harnesses with thermal cycling and flexing
Satellite ground testing - Feed cables reconfigured during antenna measurements
Q: Why choose stranded center conductor over solid for test
applications?
A: Stranded SCCS resists work-hardening and cracking after repeated
flexing. Solid conductors fail after ~500 cycles; SR-056-STR
maintains <0.1 dB VSWR shift after 10,000+ cycles at 1.6mm bend
radius.
Q: Does stranded construction compromise semi-rigid benefits?
A: No - solid copper outer conductor preserves impedance control,
shielding (>95 dB), and formability. Only center conductor is
stranded for flex endurance; electrical specs match solid conductor
versions.
Q: When to use SR-056-STR vs standard 0.056" semi-rigid coaxial
cable?
A: Choose STR for >100 bend cycles, daily handling, vibration,
or reconfiguration. Standard solid conductor sufficient for
permanent static installations with minimal mechanical stress.
Q: What's the electrical performance trade-off?
A: Negligible - stranded maintains equivalent attenuation (<0.1
dB/ft difference) and power handling to 111 GHz. Primary benefit is
mechanical longevity, not electrical superiority.
Q: Can SR-056-STR semi-rigid coaxial cable be factory pre-formed?
A: Yes, identical outer conductor formability to standard
semi-rigid cable. Minimum 0.063" bend radius. Factory pre-forming
recommended for production.
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