Product Number: 1865A

Serial Digital Coax, Sub-miniature, #25 Stranded BC, CMR

25 AWG stranded (19x37) .021" bare copper conductor, gas-injected foam HDPE insulation, Duofoil®; tinned copper braid shield (95% coverage), PVC jacket.

  • Availability:
    Global
  • Status:
    Active
1865A
5 of 5

Specifications

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RG Type

Sub-miniature 59

Conductor

Size Stranding Nom. Diameter Material
25 19x37 0.021 in BC - Bare Copper

Insulation

Material Nom. Insulation Diameter
PE - Polyethylene (Foam) 0.094 in (2.4 mm)

Insulation Table Notes

Gas Injected

Outer Shield

Layer Outer Shield Type Material Material Trade Name Coverage
1 Tape Tri-Laminate (Alum+Poly+Alum) Duofoil® 100%
2 Braid Tinned Copper (TC) 95%

Outer Jacket

Material Nom. Diameter
PVC - Polyvinyl Chloride 0.15 in

Return Loss

Frequency Min. Return Loss
5-850 MHz 21 dB
850-3000 MHz 18 dB

Attenuation

Frequency Nom. Attenuation
1 MHz 0.47 dB/100ft
3.58 MHz 1 dB/100ft
5 MHz 1.1 dB/100ft
7 MHz 1.3 dB/100ft
10 MHz 1.6 dB/100ft
67.5 MHz 3.6 dB/100ft
71.5 MHz 3.7 dB/100ft
88.5 MHz 4.1 dB/100ft
100 MHz 4.4 dB/100ft
135 MHz 5 dB/100ft
143 MHz 5.1 dB/100ft
180 MHz 5.8 dB/100ft
270 MHz 7.1 dB/100ft
360 MHz 8.2 dB/100ft
540 MHz 10.1 dB/100ft
720 MHz 11.8 dB/100ft
750 MHz 12 dB/100ft
1000 MHz 13.9 dB/100ft
1500 MHz 17 dB/100ft
2000 MHz 19.6 dB/100ft
2250 MHz 20.8 dB/100ft
3000 MHz 24 dB/100ft

Electricals

Nom. Conductor DCR Nom. Outer Shield DCR Nom. Capacitance Cond-to-Shield Nom. Characteristic Impedance Nom. Velocity of Prop.
27.4 Ohm/1000ft (89.9 Ohm/km) 5.4 Ohm/1000ft (18 Ohm/km) 16.5 pF/ft (54.1 pF/m) 75 Ohm 82%

Voltage

UL Voltage Rating
300 V RMS

Temperature

UL Temperature Operating
75°C -30°C To +75°C

Max. Pull Tension

27 lbs (12 kg)

Bulk Cable Weight

14 lbs/1000ft (21 kg/km)

Environmental Suitability

Indoor - Riser, Indoor

Flammability / Reaction to Fire

UL1666 Vertical Shaft

CPR Compliance

CPR Euroclass: Eca; CPR UKCA Class: Eca

NEC / UL Compliance

CMR

CEC / C(UL) Compliance

CMG

European Directive Compliance

EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)

UK Regulation Compliance

UKCA Mark

APAC Compliance

China RoHS II (GB/T 26572-2011)

Update and Revision

Revision Number: 0.428 Revision Date: 05-27-2026

Footnote

C - CRATE REEL PUT-UP.

Update and Revision

Revision Number: 0.428 Revision Date: 05-27-2026

Footnote

C - CRATE REEL PUT-UP.

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Part Numbers

Item # Color Putup Type Length UPC Footnote
1865A 0101000 Black Reel 1,000 ft 612825358435 C
1865A 0061000 Blue, Light Reel 1,000 ft 612825356752 C
1865A 0011000 Brown Reel 1,000 ft 612825356790 C
1865A 0081000 Gray Reel 1,000 ft 612825356745
1865A N3U1000 Green, Mil Reel 1,000 ft 612825356806
1865A 0031000 Orange Reel 1,000 ft 612825356776
1865A 0021000 Red Reel 1,000 ft 612825356783 C
1865A 0071000 Violet Reel 1,000 ft 612825358428 C
1865A 0091000 White Reel 1,000 ft 612825358442 C
1865A 0041000 Yellow Reel 1,000 ft 612825356769

Resources

Product Bulletins
Tools
Compliance Documentation

Resources

Product Bulletins
Tools
Compliance Documentation