BS EN 4604-003-2019 pdf free download.Aerospace series — Cable, electrical, for signal transmission Part 003: Cable, coaxial, 50 ohms, 200 °C, type WZ — Product standard
This document specifies the characteristics of a UV laser printable coaxial cable, 50 , type WZ, for use in aircraft electrical systems at operating temperatures between  65 °C and 200 °C and especially for high frequency up to 3 GHz.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 3475 (all parts), Aerospace series — Cables, electrical, aircraft use — Test methods
EN 3838, Aerospace series — Requirements and tests on user-applied markings on aircraft electrical cables
EN 4604-001, Aerospace series — Cable, electrical, for signal transmission — Part 001: Technical specification 1)
EN 4604-002, Aerospace series — Cable, electrical, for signal transmission — Part 002: General TR 6058, Aerospace series — Cable code identification list 2)
ASTM B 298-99, Standard specification for silver-coated soft or annealed copper wire 3)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 3475-100 apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
ISO Online browsing platform: available at http://www.iso.org/obp
IEC Electropedia: available at http://www.electropedia.org/
4 Required characteristics
4.1 Material, construction, dimensions and mass
4.1.1 Material
See Table 1.
4.2 General characteristics
Operating temperature:  65 °C to 200 °C
Minimum bend radius:
in static use: 37 mm
in dynamic use: 100 mm
Performances are guaranteed up to 3 GHz.
4.3 Electrical characteristics
Characteristic impedance: Zc  (50  2) .
Maximum power handling (at sea level): see Table 3 and Figure 2.
Attenuation versus frequency: see Table 3 and Figure 2.
Capacitance per unit length: 88 pF/m max.
Velocity of propagation: 0,75 c nom.
Transfer impedance from 1 MHz to 3 000 MHz: 30 m/m max.BS EN 4604-003 pdf download.