Section 2 Transmission Media and Components Thin Cable
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Table 19. Physical Characteristics of General Specification for Thin Cables
Physical Characteristics Specification
Geometry Two shielded pairs, Common axis with
drain wire in center.
Overall braid shield 65% coverage. 0.12 mm (36 AWG)
tinned Cu braid minimum
(individually tinned)
Drain wire #22 Copper 19 Strands minimum
(individually tinned)
Outside diameter 0.240 inches (minimum) to 0.280 inches
(maximum)
Roundness Delta to be within 20% of 0.5 O.D.
Jacket marking Vendor Name & Part #, and additional
markings
Table 20. Electrical Characteristic of General Specification for Thin Cables
Electrical Characteristic Specification
DCR (braid+tape+drain) 3.2 Ohms/1000 ft (nominal @ 20° C)
Table 21. Environmental Characteristics of General Specification for Thin Cables
Applicable Environmental
Characteristics
Specification
Agency Certifications According to Federal, State and Local
regulations.
Flexure 2000 cycles at bend radius, 90 degrees, 2 lb.
Pull force, 15 cycles per minute, Tic Toc or C
track method