True Flex 316 spiral strip coax is a high-performance 50 ohm flexible coaxial cable engineered for applications requiring reliable signal transmission up to 18 GHz. Combining a stranded silver‑plated copper conductor, dual-layer spiral + braid shielding, and a rugged FEP jacket, this cable delivers exceptional flexibility, durability, and electrical stability.Designed as a direct form and function‑equivalent to the industry‑standard Harbour SFL405‑105FLEX, True Flex 316 offers identical electrical parameters while featuring a chemical‑resistant FEP jacket for enhanced performance in harsh environments.
50 Ohm True-Flex316 Spiral Strip Coax FEP Jacket for Equipment Test
Price:
$2.78-10.52 / meter
MOQ:
1000 meters
Delivery Time:
10-15 work days
Brand:
Bing Wire & Cable
Product Description
Product Description
Core Advantages
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Stranded Silver‑Plated Copper Center Conductor – Provides excellent flexibility and conductivity, ideal for repeated flexing and tight installations.
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Dual‑Layer Shielding – Spiral silver‑plated copper strip plus round silver‑plated copper braid ensures > –110 dB shielding effectiveness (typical).
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FEP Jacket – Chemically inert, low‑friction, and rated for continuous operation from –55°C to +105°C; resists solvents, oils, and abrasion.
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Precision 50Ω Impedance – Maintains low VSWR across the entire DC‑18 GHz frequency range.
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Excellent Phase Stability – Reliable performance under flexure, suitable for test and measurement applications.
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Drop‑in Replacement for SFL405 – Identical mechanical dimensions, electrical specs, and attenuation profile as Harbour SFL405‑105FLEX.
Application Scenarios
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Defense Electronics: Phase stability, high reliability, wide temperature range
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Test and Measurement: Low VSWR, repeatable performance after flexing, connector compatibility
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Wireless Communications: Low loss, high frequency support (5G/mmWave ready)
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Medical Electronics: FEP jacket options, flexibility, small bend radius,flexible, low loss,
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PIM Test Cables: Low passive intermodulation, high shielding effectiveness
Why to Choose Our Spiral Strip Coax?
Engineers and system designers choose True Flex 316 when they need a flexible microwave cable that delivers the electrical performance of semi-rigid construction—featuring low loss, low VSWR, and > –110 dB shielding effectiveness—combined with the mechanical flexibility required for tight bends and repeated flexing. Built with a stranded silver-plated copper conductor and dual-layer spiral + braid shielding, it ensures reliable signal integrity up to 18 GHz while the chemical-resistant FEP jacket withstands harsh environments from –55°C to +105°C. With industry-standard 2.92 mm dimensions, it serves as a direct drop-in replacement for Harbour SFL405-105FLEX, offering wide compatibility with off-the-shelf connectors such as SMA and 2.92mm. Proven reliability in defense, aerospace, and test & measurement applications makes True Flex 316 the trusted choice for mission-critical RF systems.
Specification
Physical Properties
| Item | Material | Diameters (mm) |
|---|---|---|
| Inner Conductor | Stranded Silver Plated Copper | 7/0.18 |
| Dielectric | Solid PTFE | 1.60 |
| Inner Shield | Spiral Silver Plated Copper Strip | 1.80 |
| Outer Braid |
Round silver plated copper
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2.16 |
| Jacket |
FEP
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2.92
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Electrical Properties
| Capacitance (pF/m) | 29.0 |
| Impedance (Ohms) | 50 |
| Velocity of Propagation (%) | 70 |
| Max. Operating Frequency (MHz) | 18000 |
| Bend Radius (mm) | 15.24 |
| Temperature Range (℃) | -55~+105 |
Attenuation
| Frequency (MHz) | Attenuation (dB/m) |
| 400 | 0.433 |
| 1000 | 0.696 |
| 3000 | 1.240 |
| 5000 | 1.631 |
| 10000 | 2.389 |
| 18000 | 3.331 |
FAQ
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1.Are you a manufacturer or a trading company?
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A: We are a professional manufacturer of wires and cables, based in Shanghai, with extensive experience since 2005.
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2.What’s your company MOQ?
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A: To ensure the best cost and quality for different products, our MOQ varies, normally it's 2km. Please reach out to our sales team for specific and flexible options.
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3.Can I get the samples?
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A: Yes, we encourage you to verify our quality. Samples are available upon request. A nominal fee may apply, which is deductible from your future bulk order.
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4.Does your company accept customization?
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A: Yes, we provide both OEM and ODM services to meet your specific requirements.
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5.How can I get the right price?
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A: For a precise quotation tailored to your needs, please contact us with detailed specifications (e.g., type, length, color, packaging). We respond quickly.
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6.What services can we provide?
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A: We provide a seamless trading experience: Secure payment (T/T, PayPal), flexible trade terms (FOB Shanghai, EXW Shanghai, etc.), and cooperation with major logistics companies (DHL, FedEx, UPS, or your preferred agent) for door-to-door delivery.Other terms can be discussed based on your needs.
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7.How long will the delivery take?
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A: The general production lead time is 10-15 working days after order confirmation and deposit. Exact time depends on the order quantity and customization complexity.
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8.How do you solve after sale service?
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A: Our relationship doesn't end after a sale. We offer comprehensive after-sales support. If you encounter any issues, our team will provide a swift and effective solution to ensure your complete satisfaction.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shanghai Bing Wire & Cable Co., Ltd.
Location
Room 204,BLDG.6,Lane 4703,Rd.Jiaotong,Putuo District ,Shanghai,China
Contact Person
Charles