EN 4604-006-2008 pdf download.Aerospace series — Cable, electrical, for signal transmission — Part 006:
Cable, coaxial, 50 ohm, 200 °C, type WM — Product standard.
This EN 4604-006 specifies the required characteristics of a coaxial cable, 50 c, type WM, for use in aircraft electrical systems at operating temperature between — 55 °C and 200 °C and specially for high frequency up
to 5GHz.
2 Normative references
The following referenced documents are indispensable for the application 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 3475-100, Aerospace series — Cables, electrical, aircraft use — Test methods — Part 100: General
EN 4604-001, Aerospace series — Cable, electrical, for signal transmission — Part 001: Technical specification
EN 4604-002, Aerospace senes — Cable. &ecfrical. for signal transmission — Part 002: General
TR 6058, Aerospace series — Cable code identification list 1)
ASTM B 298-99. Standard specification for silver-coated soft or annealed copper wire 2)
MIL-PRF-39012. Connectors, coaxial, radio frequency, general specification for3
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 3475-100:2002 and the following apply.
epsilon (€)
value of dielectric constant
4 Required characteristics
4.1 Material, construction, dimensions and mass
4.1.1 Material
See Table 1.
4.2 General characteristics
— Operating temperature: – 55 °C to 200 °C.
— Minimum bend radius:
— in static use: 25 mm; in dynamic use: 70 mm.
— Performances are guaranteed up to 5 GHz.
4.3 Electrical characteristics
— Characteristic impedance : Zc = (50 ± 3) ft
— Capacitance per unit length: Cp = 82 pF/m max.
— Transfer impedance up to 400 MHz: 20 mc)Jm max.
— Operating voltage: 750 V RMS max.
— Maximum power handling (at sea level): see Table 3 and Figure 2.
— Attenuation versus frequency: see Table 3 and Figure 2.
— Velocity of propagation: 0,81 c mm.
7 Identification and marking See EN 4604-002.
8 PackagIng, labelling and delivery lengths
8.1 Packaging and labelling See EN 4604.001.
8.2 Delivery lengths
Delivery on cable drum (about 175 metres)
Minimum length of each piece: 50 metres.
9 Technical specification
See EN 4604-001.EN 4604-006-2008 pdf download.