9778 BELDEN | Alldatasheet
Document overview
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Technical content
Product: 9778 Microphone Cable, 1 Conductor 20 AWG, TC Product Description 20 AWG stranded (26x34) high-conductivity TC conductor, EPDM rubber insulation, conductive textile (100%) plus TC spiral shields (75% coverage), paper tape, CPE jacket. Technical Specifications Physical Characteristics (Overall) Conductor AWG Stranding Material Nominal Diameter No. of Coax 20 26x34 TC - Tinned Copper (High Conductivity) 0.037 in 1 Conductor Count: 1 Insulation Material Nominal Diameter EPDM - Ethylene Propylene Diene Monomer 0.117 in Outer Shield Type Layer Material Coverage [%] Spiral Serve / Screen 1 Textile (Conductive) 100% Spiral Serve / Screen 2 Tinned Copper (TC) 75% Tape 3 100% Outer Jacket Material Nominal Diameter Separator Material Neoprene 0.235 in Paper Tape
Electrical Characteristics
DCR Nominal Conductor DCR Conductor Resistance Nominal Outer Shield DCR Outer Conductor DCR 10.2 Ohm/1000ft 10.2 Ohm/1000ft 11.6 Ohm/1000ft 11.6 Ohm/1000ft Capacitance Nom. Capacitance Conductor to Shield 45 pF/ft Impedance Nominal Characteristic Impedance
40 Ohm
Max. Recommended Current [A]
4 Amps per Conductor at 25ºC
300 V RMS
Non-UL Temp Rating: 60°C Operating Temperature Range: -30°C To +60°C Mechanical Characteristics Bulk Cable Weight: 34 lbs/1000ft Max. Pull Tension: 13 lbs Min. Bend Radius/Minor Axis: 2.5 in Applicable Environmental and Other Programs Environmental Space: Indoor (Not Riser or Plenum) EU Directive 2000/53/EC (ELV): Yes EU Directive 2011/65/EU (RoHS 2): Yes EU Directive 2012/19/EU (WEEE): Yes EU Directive 2015/863/EU (RoHS 2 amendment): Yes EU Directive Compliance: EU Directive 2003/11/EC (BFR) EU CE Mark: Yes MII Order #39 (China RoHS): Yes Suitability Suitability - Indoor: Yes Plenum/Non-Plenum Plenum (Y/N): No Related Part Numbers Variants Item # Color Put-Up Type Length UPC 9778 0101000 Chrome Reel 1,000 ft 612825259640 History Update and Revision: Revision Number: 0.358 Revision Date: 11-09-2022 © 2023 Belden, Inc All Rights Reserved. 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 notice, and the listing of such information and specifications does not ensure product availability. 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 (including consequential, indirect, incidental, special, punitive, or exemplary damages) whatsoever, even if Belden has been advised of the possibility of such damages, whether in an action under contract, negligence or any other theory, arising out of or in connection with the use, or inability to use, the information or specifications described herein. All sales of Belden products are subject to Belden's standard terms and conditions of sale. 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.