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BSI 22/30397823 DC 2022

BSI 22/30397823 DC 2022

$13.70

BS ISO 19642-12. Road vehicles. Automotive cables – Part 12. Unscreened paired or quad RF cables with a specified analog bandwidth up to 1 GHz

Published By Publication Date Number of Pages
BSI 2022 37
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PDF Catalog

PDF Pages PDF Title
8 Foreword
9 Introduction
11 1 Scope
2 Normative References
3 Terms and definitions
12 4 Specifications
4.1 General test conditions
4.2 Safety concerns
4.3 Voltage rating
4.4 Temperature classes
4.5 Cable construction
4.5.1 Single Cores
13 4.5.2 Twisted pair
4.5.3 Separating element
4.5.4 Sheath
4.6 Cable designators
14 4.7 Representative cable elements testing
4.8 Reference and requirements for the tests
4.9 General remark on requirements
5 Requirements for the cable’s dielectric cores
5.1 General
5.2 Dimensional tests
5.2.1 Cable outside diameter
15 5.2.2 Insulation thickness
5.2.3 Conductor diameter
5.2.4 Cross sectional area (CSA)
5.2.5 In-process cable outside diameter
5.3 Electrical tests
5.3.1 Conductor resistance
5.3.2 Determination of temperature coefficients
5.3.3 Withstand voltage
5.3.4 Breakdown shall not occur.
5.3.5 Insulation faults
16 5.3.6 Insulation volume resistivity
5.4 Mechanical tests
5.4.1 Strip force
5.4.2 Abrasion
5.4.3 Breaking force of the finished cable
5.4.4 Cyclic bending
5.4.5 Flexibility
5.5 Environmental tests
5.5.1 Test specimen preparation and winding tests
5.5.2 Long term heat ageing, 3 000 h, at temperature class rating
5.5.3 Short term heat ageing, 240 h at temperature class rating +25 K
5.5.4 Thermal overload, 6 h at temperature class rating + 50 K
5.5.5 Pressure test at high temperature
5.5.6 Shrinkage by heat
17 5.5.7 Low temperature winding
5.5.8 Cold impact
5.5.9 Temperature and humidity cycling
5.5.10 Resistance to hot water
5.5.11 Resistance to liquid chemicals
5.5.12 Durability of cable marking
5.5.13 Stress cracking resistance
5.5.14 Resistance to ozone
5.5.15 Resistance to flame propagation
6 Requirements for the finished UTP or JUTP cables
6.1 General
6.2 Dimensional tests
6.2.1 Cable outside diameter for JUTP cables
18 6.2.2 Ovality of sheath for JUTP cables
6.2.3 Thickness of sheath for JUTP cables
6.2.4 In-process cable outside diameter for JUTP cables
6.2.5 Lay length
6.3 Electrical tests
6.3.1 Electrical continuity
6.3.2 Withstand voltage at final inspection
6.3.3 Screening effectiveness
6.3.4 Sheath fault on screened cables
6.3.5 General information on electrical test setups of unscreened cables
6.3.6 General information on low frequency electrical tests
6.3.7 Resistance unbalance
19 6.3.8 Capacitance
6.3.9 Inductance
6.3.10 General information on high (RF) frequency electrical tests
6.3.11 Velocity of Propagation
6.3.12 Characteristic impedance in frequency domain (CIF)
20 6.3.13 Characteristic impedance in time domain (CIT)
6.3.14 Insertion loss, IL
6.3.15 Return loss, RL
6.3.16 Unbalance attenuations
6.4 Mechanical tests
6.4.1 Strip force of sheath
6.4.2 Cyclic bending
21 6.4.3 Flexibility
6.4.4 Cyclic bending test for RF cables
6.4.5 Dynamic bending tests for RF cables
6.4.6 Test for assessment of minimum bending radius
6.4.7 Strip force of screen
6.4.8 Abrasion test of sheath
6.5 Environmental tests
6.5.1 Test specimen preparation and winding tests
6.5.2 Long term heat ageing, 3 000 h at Temperature class rating
22 6.5.3 Short term heat ageing, 240 h at Temperature class rating + 25 °C
6.5.4 Thermal overload, 6 h at Temperature class rating + 50 K °C
6.5.5 Pressure test at high temperature
6.5.6 Shrinkage by heat of sheath
6.5.7 Low temperature winding
6.5.8 Cold impact
6.5.9 Temperature and humidity cycling
6.5.10 Resistance to liquid chemicals
6.5.11 Durability of sheath marking
6.5.12 Resistance to ozone
23 6.5.13 Artificial weathering
6.5.14 Resistance to flame propagation
7 Test overview tables
7.1 Test table for single cores
24 7.2 Test tables for finished cables
26 8 Cable types
8.1 Cable parameters
29 8.2 Application requirements
8.2.1 CAN
8.2.2 CAN FD
8.2.3 FlexRay
30 8.2.4 100BASE-T1 Ethernet
33 8.2.5 1000BASE-T1 Ethernet
37 Annex A (normative) Colour combinations

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