Model CNDBC-PFA-24S2SJ-75 aerospace-Qualified 1553B Data Bus Cable
Model CNDBC-PFA-24S2SJ-75 aerospace-Qualified 1553B Data Bus Cable
Overview
With reference to the national military standard GJB 973A-2004 “General Specification for Flexible and Semi-Hard RF Cables”, GJB 773A-2000 “Fluoropolymer Insulated Wires and Cables for Aerospace Use” and the performance requirements of MIL-STD-1558B data bus cables, and with reference to the product specifications of Raychem (7724S1664) and AXON (No. P512296) and the needs of aerospace special use environments, we have developed this product. ) product indicators and aerospace special use of environmental needs and the development of the product. The cable is suitable for signal transmission of 1553B bus network system for aerospace, combining with foreign product indexes and user’s demand, taking into full consideration of its applicability and safety, in order to meet the high technology, high quality and high performance requirements of modern military equipment and modern science and technology, and to promote the localization of the aerospace data bus in lieu of imports.
It is suitable for the transmission connection of 1553B bus network signals for astronautics; the cable is characterized by high and low temperature resistance, softness, light weight, aging resistance, flame retardant, low attenuation, stable signal transmission, etc., and it has the characteristics of space environment adaptability such as irradiation resistance, resistance to atomic oxygen, and vacuum escape gas.
Execution standard
Q/XT20004-2021CNDBC-PFA-24S2SJ-75 type 1553B data bus cable (silver wire) Detailed specification
Characteristics
Rated voltage:AC 600V.
Rated Operating Temperature:-90℃~+200
Minimum bending radius during installation: 8 times of the outer diameter of the product.
Maximum operating frequency: 1MHZ.
Nominal transmission rate:68%.
Model specification and name
CNDBC-PFA-24S2SI-75 ((Corresponding to imported number: P512296)
CNDBC-PFA-24S2SJ-75 Product structure and main technical specifications | ||
Sr. | Item | main technical specifications |
1 | Insulation Color | two cores ,white/blue |
2 | Sheath color | transparent white/transparent blue/white/blue |
3 | Cable Outer Dia.mm | (3.17~3.37)mm |
4 | Conductor DC.Resistance(20℃) | ≤93.14Ω/km |
5 | Insulation Resistance(20℃) | ≥1500 MΩ ·km |
6 | Withstanding voltage (core and core, core and screen) | 2500V/30s |
7 | Capacitance (at 1 MHz) | ≤74.45pF/m |
8 | Nominal characteristic impedance (at 1MHz) | (70-84)Ω |
9 | Attenuation (at 1MHz) | ≤3.93dB/100m |
10 | capacity unbalance (at 1MHz) | ≤5% |
11 | weight | ≤24.0g/m |
12 | Irradiation Resistance | 1×107Rad(60Co irradiation source) |
13 | Vacuum outgassing | TML≤1%, CVCM≤0.1% |
14 | Atomic Oxygen Resistance | Ey≤5×10-20m3/AO |
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