PASTERNACK RG393-U-BULK Flexible Coax Cable Double Shielded RG393/U-BULK Fep Jacket

( Brand: Pasternack ), ( Manufacturer Part Number: RG393/U-BULK ), ( Unit Type: Ft ), ( Type: Cable ), ( Color: Orange ), ( Cable Length: 5 Ft )

Review PASTERNACK Rg393/u-bulk Flexible Coax Cable Double Shielded Tan Fep Jacket

The **Pasternack RG-393/U-Bulk Flexible Coaxial Cable with Double Shielding and FEP Jacket** is a high-performance, ruggedized transmission line designed for demanding applications where reliability, flexibility, and signal integrity are paramount. This premium cable is engineered to deliver exceptional performance in environments where conventional coaxial solutions fall short, making it an ideal choice for military, aerospace, industrial automation, and high-frequency RF systems. Constructed with a **solid copper conductor** (99.5% minimum purity) that ensures low resistance and minimal signal loss, the RG-393/U-Bulk provides a stable and efficient path for RF and microwave signals across a broad frequency spectrum, typically supporting operation up to **18 GHz** with minimal attenuation. Its **double shielding architecture** comprising an **aluminum-polyester foil shield** and a **braided copper mesh outer conductor** offers superior electromagnetic interference (EMI) rejection and protection against external noise, ensuring clean signal transmission even in electrically noisy environments. The **FEP (fluorinated ethylene propylene) jacket**, a high-performance thermoplastic polymer, provides exceptional resistance to abrasion, chemicals, and environmental degradation while maintaining flexibility for repeated bending and installation in tight or confined spaces. Unlike standard PVC-jacketed cables, the FEP material remains stable across a wide temperature range (-65 F to 250 F/-54 C to 121 C), making it suitable for extreme thermal conditions, such as those encountered in outdoor installations, automotive systems, or high-temperature industrial settings. The cable s **bulk flexibility** allows for easy routing around obstacles without compromising structural integrity, while its **waterproof and flame-retardant** properties enhance safety and longevity in harsh operational environments. Whether deployed in satellite communications, radar systems, test and measurement equipment, or defense applications, the RG-393/U-Bulk delivers a robust, long-lasting solution that balances performance, durability, and ease of installation, ensuring dependable signal transmission where it matters most.

### Pros of buying a Pasternack RG-393/U-Bulk Flexible Coax Cable (Double Shielded, FEP Jacket)

1. **High Frequency Performance**: The RG-393/U is designed for high-frequency applications, making it suitable for RF, microwave, and other high-speed signal transmission needs. The flexible construction and FEP jacket help maintain signal integrity at these frequencies.

2. **Double Shielding**: The double shielding (typically consisting of an inner foil shield and an outer braided shield) provides superior electromagnetic interference (EMI) and radio frequency interference (RFI) protection. This is crucial in environments with high noise levels or where signal purity is essential.

3. **Flexibility**: The flexible design allows for easier routing in tight spaces, around corners, and in applications where rigidity would be a constraint. This is particularly useful in aerospace, automotive, or industrial settings where cables must bend frequently.

4. **Durability**: The FEP (fluorinated ethylene propylene) jacket is known for its excellent chemical resistance, weather resistance, and mechanical durability. It can withstand exposure to oils, solvents, and extreme temperatures, making it ideal for harsh environments.

5. **Low Loss**: The cable is designed to minimize signal attenuation over distance, which is critical for long runs or high-frequency applications where signal degradation is a concern.

6. **Compatibility**: The RG-393/U is a standard coaxial cable type, so it is widely compatible with existing connectors, adapters, and equipment in many industries, including aerospace, defense, and telecommunications.

7. **Temperature Range**: The FEP jacket and materials used in the cable typically support a broad operating temperature range, often from -65 C to 200 C, depending on the specific variant. This makes it suitable for extreme environments.

8. **Bulk Availability**: Purchasing in bulk can reduce per-unit costs, making it cost-effective for large-scale projects or applications requiring extensive cabling.

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### Cons of buying a Pasternack RG-393/U-Bulk Flexible Coax Cable (Double Shielded, FEP Jacket)

1. **Cost**: High-quality coaxial cables with double shielding and FEP jacketing are generally more expensive than standard single-shielded or unshielded cables. Bulk purchases may still result in significant upfront costs.

2. **Installation Complexity**: The flexibility of the cable can make installation more challenging in some cases, particularly if it requires precise routing or alignment. Over-bending or improper handling can lead to signal degradation or physical damage.

3. **Weight**: Coaxial cables, especially those with double shielding and robust jacketing, can be heavier than lighter alternatives. This may impact portability or ease of handling in certain applications.

4. **Connector Compatibility**: While the RG-393/U is standard, ensuring compatibility with specific connectors (e.g., N-type, SMA, BNC) may require additional adapters or customization, which can add to the cost and complexity.

5. **Storage and Handling**: The flexible nature of the cable requires careful storage to prevent kinking, tangling, or damage. Improper handling can lead to signal issues or physical wear over time.

6. **Limited Flex Life**: While flexible, the cable has a finite number of bend cycles before its performance or integrity may degrade. This is particularly relevant in dynamic applications where the cable is frequently moved or flexed.

7. **Potential for Signal Reflection**: In some high-frequency applications, improper termination or impedance mismatches can cause signal reflections, even with high-quality cables. This may require additional tuning or components to mitigate.

8. **Environmental Considerations**: Although the FEP jacket is durable, it is not biodegradable, and disposal may require special handling, depending on local regulations.

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### Conclusion

The Pasternack RG-393/U-Bulk Flexible Coax Cable with double shielding and an FEP jacket is an excellent choice for applications requiring high-frequency signal integrity, durability, and protection against electromagnetic interference. Its flexibility, wide temperature range, and robust construction make it suitable for demanding environments such as aerospace, automotive, industrial, and telecommunications. However, the higher cost, potential installation challenges, and need for careful handling may be drawbacks depending on the specific use case.

For projects where signal purity, reliability, and longevity are critical, the benefits of this cable often outweigh its drawbacks. Conversely, if budget constraints or simpler applications are priorities, alternative cables with single shielding or lighter jacketing may be more appropriate.

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### Recommendation

If your application involves high-frequency signal transmission, requires protection against EMI/RFI, or operates in harsh environments (e.g., extreme temperatures, chemical exposure, or mechanical stress), then the Pasternack RG-393/U-Bulk Flexible Coax Cable is a strong recommendation. Ensure that your budget accounts for the higher cost and that you have the necessary expertise to install and maintain the cable properly.

For lower-frequency applications or environments where cost or weight is a significant concern, consider evaluating alternatives such as RG-58/U or other single-shielded cables. Always verify connector compatibility and consult with a specialist if you are unsure about the specific requirements of your project.

Details:

part #: rg393u prices

• $99.00-$772.55

specifications coaxcabl:

• brand: Pasternack
• mpn: Rg393/u-bulk
• unit type: Ft
• type: Cable
• color: Orange
• cable length: 5 Ft

general coaxcabl:

• condition: Open box
• Radio Communication > Parts Accessories > Coax Cables Connectors

returns coaxcabl:

• method: Money back
• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

shipping coaxcabl:

• transit: 3-8 Days
• class: Standard, Expedited
• type: Calculated
• cost: $14.00
• service: USPS Ground Advantage, USPS Priority Mail
• carrier: USPS

seller coaxcabl:

• city: Garland, Texas
• rating: 99.4%
• # reviews: 1053

payments coaxcabl:

• other
• wallet: Google-pay
• credit card: Diners-club

offer coaxcabl:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: March 3, 2026
• best offers: True

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