Product: 1855A
Serial Digital Coax, Sub-miniature, #23 Solid BC, Foil + 95% TC braid, CMR
Product Description
Low Loss Serial Digital Coax, Riser-CMR, Sub-Miniature 23 AWG solid bare copper conductor, foam HDPE core, Duofoil, +95% tinned copper braid, PVC
jacket
Technical Specifications
Product Overview
Suitable Applications: SMPTE 2081-1 6 Gb/s UHDTV, SMPTE 424M 3 Gb/s HD-SDI 1080P
Physical Characteristics (Overall)
Conductor
AWG Stranding Material Nominal Diameter No. of Coax
23 Solid BC - Bare Copper 0.023 in 1
Conductor Count: 1
Insulation
Material Nominal Diameter
PE - Polyethylene (Foam) 0.102 in
Table Notes: Gas Injected
Outer Shield Material
Type Layer Material Material Trade Name Coverage [%]
Tape 1Alum / Poly / Alum Duofoil® 100%
Braid 2Tinned Copper (TC) 95%
Outer Jacket Material
Material Nominal Diameter
PVC - Polyvinyl Chloride 0.159 in
Electrical Characteristics
Conductor DCR
Nominal Conductor DCR Outer Conductor DCR
20.1 Ohm/1000ft 3.7 Ohm/1000ft
Capacitance
Nom. Capacitance Conductor to Shield
16.3 pF/ft
Inductance
Nominal Inductance
0.107 µH/ft
Impedance
Nominal Characteristic Impedance
75 Ohm
Return Loss (RL)
Frequency [MHz] Minimum Return (RL)
5 MHz - 1600 MHz 23 dB
1600 MHz - 4500 MHz 21 dB
4500 MHz - 6000 MHz 15 dB
High Frequency (Nominal/Typical)
Frequency [MHz] Nom. Insertion Loss
1 MHz 0.39 dB/100ft
3.58 MHz 0.78 dB/100ft
5 MHz 0.92 dB/100ft
6 MHz 1.00 dB/100ft
7 MHz 1.08 dB/100ft
10 MHz 1.2 dB/100ft
12 MHz 1.3 dB/100ft
25 MHz 1.8 dB/100ft
67.5 MHz 2.83 dB/100ft
71.5 MHz 2.93 dB/100ft
88.5 MHz 3.22 dB/100ft
100 MHz 3.39 dB/100ft
135 MHz 3.84 dB/100ft
143 MHz 4.00 dB/100ft
180 MHz 4.41 dB/100ft
270 MHz 5.44 dB/100ft
360 MHz 6.34 dB/100ft
540 MHz 7.85 dB/100ft
720 MHz 9.15 dB/100ft
750 MHz 9.31 dB/100ft
1000 MHz 10.89 dB/100ft
1500 MHz 13.38 dB/100ft
2000 MHz 15.64 dB/100ft
2250 MHz 16.68 dB/100ft
3000 MHz 19.65 dB/100ft
4500 MHz 24.35 dB/100ft
6000 MHz 28.97 dB/100ft
Delay
Nominal Delay Nominal Velocity of Propagation (VP) [%]
1.24 ns/ft 82%
Voltage
UL Voltage Rating
300 V RMS
Electrical Characteristics Notes: TDR Impedance: 75 +/- 1.5 Ohms
Other Electrical Characteristic 2: Return Loss: Fixed bridge and termination
Temperature Range
UL Temp Rating: 75°C
Operating Temp Range: -30°C To +75°C
Mechanical Characteristics
UV Resistance: Yes
Bulk Cable Weight: 17 lbs/1000ft
Max. Pull Tension: 33 lbs
Min Bend Radius/Minor Axis: 1.6 in
Standards
NEC/(UL) Compliance: CMR
CEC/C(UL) Compliance: CMG
CPR Euroclass: Eca
RG Type: Mini 59/U Type
Applicable Environmental and Other Programs
Environmental Space: Indoor - Riser
EU Directive 2000/53/EC (ELV): Yes
EU Directive 2003/96/EC (BFR): Yes
EU Directive 2011/65/EU (ROHS II): Yes
EU Directive 2012/19/EU (WEEE): Yes
EU Directive Compliance: EU Directive 2003/11/EC (BFR)
EU CE Mark: Yes
EU RoHS Compliance Date (yyyy-mm-dd): 2004-01-01
MII Order #39 (China RoHS): Yes
Suitability
Suitability - Aerial: Yes - Black only, when supported by messenger wire
Suitability - Burial: No
Suitability - Hazardous Locations: No
Suitability - Indoor: Yes
Suitability - Outdoor: Yes - Black only
Flammability, LS0H, Toxicity Testing
UL Flammability: UL1666 Vertical Shaft
CSA Flammability: FT4
IEC Flammability: IEC 60332-1-2
UL voltage rating: 300 V RMS
Plenum/Non-Plenum
Plenum (Y/N): No
Plenum Number: 1855P
Part Number
Related Parts: 1855ABHD3
Variants
Item # Color Putup Type Length UPC
1855A 010500 Black Reel 500 ft 612825356950
1855A 0101000 Black Reel 1,000 ft 612825358503
1855A 010N1000 Black Reel w/Small Barrel 1,000 ft
1855A 010Z1000 Black ReelTuff Box 1,000 ft 612825434993
1855A 0105000 Black Reel 5,000 ft 612825436126
1855A 0061000 Blue, Light Reel 1,000 ft 612825358459
1855A 006N1000 Blue, Light Reel w/Small Barrel 1,000 ft
1855A 006Z1000 Blue, Light ReelTuff Box 1,000 ft 612825434955
1855A 0065000 Blue, Light Reel 5,000 ft 612825436072
1855A 0011000 Brown Reel 1,000 ft 612825356851
1855A 001N1000 Brown Reel w/Small Barrel 1,000 ft
1855A 0015000 Brown Reel 5,000 ft 612825436027
1855A 0081000 Gray Reel 1,000 ft 612825358510
1855A 008N1000 Gray Reel w/Small Barrel 1,000 ft
1855A 0085000 Gray Reel 5,000 ft 612825436096
1855A N3U1000 Green, Mil Reel 1,000 ft 612825358480
1855A N3UN1000 Green, Mil Reel w/Small Barrel 1,000 ft
1855A N3UZ1000 Green, Mil ReelTuff Box 1,000 ft 612825435006
1855A N3U5000 Green, Mil Reel 5,000 ft 612825436133
1855A 0031000 Orange Reel 1,000 ft 612825356844
1855A 003N1000 Orange Reel w/Small Barrel 1,000 ft
1855A 003Z1000 Orange ReelTuff Box 1,000 ft 612825434931
1855A 0035000 Orange Reel 5,000 ft 612825436041
1855A 0021000 Red Reel 1,000 ft 612825358473
1855A 002N1000 Red Reel w/Small Barrel 1,000 ft
1855A 002Z1000 Red ReelTuff Box 1,000 ft 612825434917
1855A 0025000 Red Reel 5,000 ft 612825436034
1855A 0071000 Violet Reel 1,000 ft 612825356837
1855A 007N1000 Violet Reel w/Small Barrel 1,000 ft
1855A 007Z1000 Violet ReelTuff Box 1,000 ft 612825434962
1855A 0075000 Violet Reel 5,000 ft 612825436089
1855A 0091000 White Reel 1,000 ft 612825358497
1855A 009N1000 White Reel w/Small Barrel 1,000 ft
1855A 009Z1000 White ReelTuff Box 1,000 ft 612825434986
1855A 0095000 White Reel 5,000 ft 612825436102
1855A 0041000 Yellow Reel 1,000 ft 612825358466
1855A 004N1000 Yellow Reel w/Small Barrel 1,000 ft
1855A 004Z1000 Yellow ReelTuff Box 1,000 ft 612825434948
1855A 0045000 Yellow Reel 5,000 ft 612825436065
Footnote: C - CRATE REEL PUT-UP.
Product Notes
Notes: Print legend includes sequential footage marks.
History
Update and Revision: Revision Number: 0.297 Revision Date: 04-28-2020
© 2020 Belden, Inc
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Although Belden makes every reasonable effort to ensure their accuracy at the time of this publication, information and specifications described here in are subject to error or omission and to change without
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Belden provides the information and specifications herein on an "ASIS" basis, with no representations or warranties, whether express, statutory or implied. In no event will Belden be liable for any damages
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Belden believes this product to be in compliance with all applicable environmental programs as listed in the data sheet. The information provided is correct to the best of Belden's knowledge, information and belief
at the date of its publication. This information is designed only as a general guide for the safe handling, storage, and any other operation of the product itself or the one that it becomes a part of. The Product
Disclosure is not to be considered a warranty or quality specification. Regulatory information is for guidance purposes only. Product users are responsible for determining the applicability of legislation and
regulations based on their individual usage of the product.
