Datasheet

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®®
0.08
0.14
0.25
0.34
0.50
0.75
1.00
1.50
2.50
Maximum current rating for conductor
Maximum current on insulated conductors up to an ambiant temperature of 30° C (from VDE 0100, parts 430 and 532 as well
as other VDE regulations).
Group 2 Group 3
Intens. Intens.
max. A max. A
Nominal
section
mm
2
1.0 1.5
2.0 3.0
4.0 5.0
6.0 8.0
9.0 12.0
12.0 15.0
15.0 19.0
18.0 24.0
26.0 32.0
Group 2 Multi-conductor, e. g. solid cable under sheath, shielded cable, lead-sheath cables, …
Group 3 Single conductor and single conductor cable laid on open air in a way to leave at least a
space between them equal to their diameter
Some formulae
Resistance R of a conductor: R = ρ
●
[Ω]
Impedance of coaxial line: Z =
●
log [Ω]
Signal attenuation: Attenuation = 20
●
log [dB]
Where: ρ = conductor resistivity
l = conductor length
A = conductor cross-section
ε
r
= dielectric constant
D = dielectric outer diameter
d = center conductor outer diameter
U
1
= input signal voltage
U
2
= output signal voltage
l
A
D
d
138
√ε
r
U
1
U
2
Conversion of some units:
millimeters into inches: 1 mm = 0.0394 in
inches into millimeters: 1 in = 25.4 mm
centimeters into feet: 1 cm = 0.0328 ft
feet (12 in) into centimeters: 1 ft = 30.48 cm
square centimeters into square inches: 1 cm
2
= 0.155 sq in
square inches into square centimeters: 1 sq in = 6.4516 cm
2
bar into pounds per square inch: 1 bar = 14.51 psi
bar into Pascal: 1 bar = 10
5
Pa
°C into °F: °F = °C
●
1.8 + 32
newtonmeter (Nm) into inch pound (in
●
lb) 1 Nm = 8.85 in
●
lb
mbar
●
l
●
s
-1
into Torr
●
l
●
s
-1
1 mbar
●
l
●
s
-1
= 1.33 Torr
●
l
●
s
-1