Belden MRG1781 Series, 100m, RG178 Coaxial, Unterminated50 Ω

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Subtotal (1 reel of 100 metres)*

£190.82

(exc. VAT)

£228.98

(inc. VAT)

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RS Stock No.:
521-7944
Brand:
Belden
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Brand

Belden

Terminated/Unterminated

Unterminated

Coaxial Type

RG178

Outer Diameter

1.8mm

CPR Certification

Eca

Characteristic Impedance

50 Ω

Attenuation

19 dB/100m @10 MHz

Length

100m

Sheath Colour

Black

Conductor Strand Type

Stranded

Voltage Rating

1 kV dc

Capacitance

100pF/m

Standards Met

Euroclass Eca

Series

MRG1781

Sheath Material

Polyvinyl Chloride PVC

Core Strands

7/0.1

Size of Strands

0.1 mm

Velocity ratio

66%

Conductor Material

Silver Plated Copper Clad Steel

Number of Strands

7

Operating Temperature Range

-25 → +70 °C

Shielding

Tinned Copper Braid

Maximum Operating Temperature

+70°C

Insulation Material

PE

Minimum Operating Temperature

-25°C

COO (Country of Origin):
NL

Belden MRG1781 Series Coaxial Cable, 100m Length, 50 Ω Characteristic Impedance - MRG1781.00100


This coaxial cable is a specialised RG178 type designed for effective performance in various indoor applications. With a length of 100m and an outer diameter of 1.8mm, this cable features a black PVC sheath that ensures durability and operational efficiency. It is an unterminated cable, utilising a stranded silver-plated copper-clad steel conductor to deliver optimal signal transmission.

Features & Benefits


• Utilises a 50 Ω characteristic impedance for stable performance
• Low attenuation of 19 dB/100m at 10 MHz facilitates high-quality signal transfer
• Enhanced conductor design using silver-plated copper for improved conductivity
• PVC outer jacket offers protection and longevity in various environments
• Suitable for operating temperatures between -25 °C and +70 °C
• Euroclass Eca certification confirms compliance with safety standards

Applications


• Ideal for coaxial communication systems
• Used for RF where low signal loss is vital
• Perfect for high-performance telecommunications installations
• Employed in automation systems requiring reliable signal integrity
• Suitable for installation in controlled indoor environments

What type of insulation material is used in the cable?


The cable features polyethylene (PE) insulation, ensuring effective dielectric properties for improved signal quality.

How does the cable perform in high-frequency settings?


At high frequencies like 200 MHz, the cable demonstrates a typical insertion loss of 63 dB/100m, maintaining signal integrity for critical applications.

What is the rated voltage for this coaxial cable?


The cable is rated for a voltage of 1000V DC and 600V RMS, making it suitable for various electrical systems in commercial and industrial settings.

What is the significance of the cable's Euroclass Eca certification?


The Euroclass Eca certification indicates compliance with European fire safety standards, ensuring the cable is suitable for installation in public and commercial spaces.

How does the temperature range affect the cable's performance?


With an operating temperature range from -25 °C to +70 °C, the cable remains functional and reliable in diverse environmental conditions, ensuring consistent performance.

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