Product Overview

The Belden 9581 is a high-performance coaxial cable designed for applications that require stable signal transmission with minimal loss. Ideal for broadcast, data center, and security systems, this cable features a solid copper conductor for high signal integrity. The Belden 9581 is built with advanced double shielding: a combination of a foil shield and a braided shield, ensuring superior protection against external interference and crosstalk. Its robust construction includes a low-density polyethylene (LDPE) dielectric that maintains excellent signal quality over long distances. This cable meets industry standards for quality, making it a go-to solution for reliable signal transmission in both commercial and industrial applications. Data sheet

Belden 9581 Specifications

Construction Details

• Conductor:
  • Type: Solid Copper
  • Cross Section: 0.5 mm²
  • Diameter: 0.8 mm
• Insulation:
  • Material: Low-Density Polyethylene (LDPE)
  • Nominal Diameter: 3.0 mm
  • Thickness: 0.7 mm
• Shielding:
  • Type: Double Shielded
  • First Shield: Aluminum Foil (100% Coverage)
  • Second Shield: Tinned Copper Braid (90% Coverage)
• Jacket:
  • Material: Low Smoke Zero Halogen (LSZH)
  • Color: Black
  • Nominal Diameter: 7.0 mm
  • Thickness: 1.0 mm

Electrical Characteristics

• Max. Conductor DCR: 18.3 Ohm/km
• Nominal Capacitance (Cond-to-Cond): 54 pF/m
• Voltage Rating: 300V
• Test Voltage: 1500V for 1 minute
• Impedance: 75 Ohm ± 3 Ohm

Belden 9581 Mechanical Characteristics

• Operating Temperature: -20°C to +75°C
• Storage Temperature: -40°C to +80°C
• Bend Radius (Installation): 45 mm
• Min. Setting Radius: 22.5 mm

Standards and Compliance

• Environmental Suitability: Indoor – CPR Euroclass Eca
• Flammability Compliance: IEC 60332-1-2
• Halogen-Free: IEC 60754-1, IEC 60754-2
• RoHS Compliant: Yes
• Standards Compliance: UL, CSA

Suitable Applications

• Broadcast Systems
• CCTV and Security Systems
• Data Centers and Networking
• HD Video Transmission
• Industrial and Military Applications
• Satellite and RF Communication Systems

Key Features

✔ Superior Signal Integrity – Solid copper conductor ensures high-quality signal transmission with minimal loss.
✔ Double Shielding – Aluminum foil and tinned copper braid for enhanced protection against external interference.
✔ Fire-Safe LSZH Jacket – Low smoke, halogen-free jacket provides added safety in fire-sensitive environments.
✔ Wide Frequency Range – Supports frequencies up to 3 GHz, making it ideal for high-bandwidth applications.
✔ Durable and Flexible – Flexible construction for easy handling and installation in various environments.
✔ Compliance with Industry Standards – Meets UL, CSA, and RoHS standards for reliable performance and environmental safety.

Belden 9581 Part Numbers

• 9581.00100 – Black, Reel, 100m, EAN: 089306196214
• 9581.00500 – Black, Reel, 500m, EAN: 089306196221
• 9581.01000 – Black, Reel, 1000m, EAN: 089306196238

Why Choose Belden 9581?

The Belden 9581 coaxial cable is designed to meet the demanding needs of applications requiring high-performance signal transmission. With a solid copper conductor, double shielding for superior interference protection, and an LSZH jacket for safety, this cable ensures reliable performance even in fire-sensitive environments. Whether for broadcast, security systems, or high-speed networking, the Belden 9581 delivers the durability, flexibility, and protection required for a wide range of commercial and industrial applications.