Metallurgica Bresciana

CAbles for telecomunications

Coaxial cables 75 Ω according to TELECOM ITALIA 1320 specification DOUBLE SCREEN

Tinned copper conductor nominal diameter mm 0.40
Cellular polyolefine insulation, diameter mm 1.9
Alluminium/polyester/aluminium tape
Tinned copper wire braid, wire diameter mm 0.10
Thermoplastic LSZH sheath, grey RAL 7001 Ø external mm 3.1
Polyester tape
Aluminium/polyester tape
Tinned copper wire braid, wire diameter mm 0.10
Thermoplastic LSZH sheath, grey RAL 7001

ELECTRIC CHARACTERISTICS

Conductor resistance at 20°C : ≤ 145 ohm/km

Conductor resistance at 20°C : ≤ 25 ohm/km

Nominal capacitance : 60 pF/m

Insulation resistance ≥ 10 Gohm/km

Dielectric strength : 2000V cc

Nominal impedance 1 MHz : 75 ohm

Maximum attenuation :

- at 1 MHz : 2 dB/ 100 m

- at 4 MHz : 4 dB/ 100 m

- at 17 MHz : 8 dB/ 100 m

Surface transfer impedance in the range 1 ÷34 MHz : ≤ 10 mohm/m

Near end cross talk attenuation in the range 1 ÷34 MHz : ≥ 80 dB

DESIGNATION CODE	N° OF COAXIAL	OUTER DIAMETER(mm)	WEIGHT (kg/km)	DWG.
TCE2HH2 1 (O.4/1.9)/M/HH2M	1	5.-	40	1
TCE2HH2M 2 (O.4/1.9)D/HH2M	2	4 x 9.4	70	3
TCE2HH2M 4 (O.4/1.9)/HH2M	4	9.7	130	2
TCE2HH2M 8 (O.4/1.9)/HH2M	8	13.-	240	2
TCE2HH2M 16 (O.4/1.9)/HH2M	16	18.-	410	2
TCE2HH2M 21 (O.4/1.9)/HH2M	21	23	500	2
TCE2HH2M 32 (O.4/1.9)/HH2M	32	25.-	740	2

The data contained in this catalogue is merely indicative.Metallurgica bresciana S.p.A. reserves the right to modify such data at its own discretion.
© Metallurgica Bresciana S.p.A. Manufacturer of Precision Special Electric Cables and Optical Fibre Cables