Belden 7721A (RG59+2Pair) Composite - Broadband Coax Headend/Video Cable 寬頻影像(有線電視)頭端用複合式同軸電纜宜大電線有限公司

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Belden 7721A (RG59+2Pair) Composite - Broadband Coax Headend/Video Cable 寬頻影像(有線電視)頭端用複合式同軸電纜

162671

商品編號: Belden-7721A

Belden 7721A (RG59+2Pair) Composite - Broadband Coax Headend/Video Cable 寬頻影像(有線電視)頭端用複合式同軸電纜

DESCRIPTION:

Coax-20 AWG,solid silver-plated conductor,gas injected foam polyethylene insulation Dubond® plus tinned copper braid shield;pairs-2,22 AWG stranded tinned copper conductors,twisted pairs,individually Beldfoil® shielded,polyolefin insulation,PVC jacket.

PHYSICAL CHARACTERISTICS :

COAX :


COAX CONDUCTOR :
Number of Coax:	1

Series Type (Single Coax):	Series 59

COAX CONDUCTOR :
Coax AWG:	20
Coax Stranding:	Solid
Coax Conductor Diameter:	.032 in.
Coax Conductor Material:	SPC - Silver Plated Copper

COAX INSULATION :
Coax Insulation Material:	Gas-injected FHDPE - Foam High Density Polyethylene
Coax Insulation Diameter:	.145 in.

COAX INNER SHIELD :
Coax Shield Material Trade Name:	Duobond® II
Coax Shield Type:	Tape/Braid
Coax Shield Material:

Layer Number	Trade Name	Type	Material	Coverage (%)
1	Bonded Duobond®	Tape	Bonded Aluminum Foil-Polyester Tape-Aluminum Foil	100
2		Braid	TC - Tinned Copper	95

TWISTED PAIR CABLE(S) :


TWISTED PAIR CABLE CONDUCTOR :
Number of Pairs:	2
Twisted Pair AWG:	22
Twisted Pair Stranding:	7x30
Twisted Pair Conductor Diameter:	.030 in.
Twisted Pair Conductor Material:	TC - Tinned Copper

TWISTED PAIR CABLE INSULATION :
Twisted Pair Insulation Material:	PO - Polyolefin
Twisted Pair Nom. Insulation Wall Thickness:	.008 in.

TWISTED PAIR OVERALL DIAMETER :
Twisted Pair Overall Nominal Diameter:	.138

PAIR :


Pair Lay Length & Direction:

Lay Length (in.)	Direction	Twists/ft (twist/ft)
1.75		6.86

Pair Inner Shield Material:

Description	Layer	Trade Name	Type	Material	Coverage (%)
Each Pair	1	Beldfoil®	Tape		100

Pair Inner Shield Drain Wire AWG:	22
Pair Inner Shield Drain Wire Stranding:	7x30
Pair Inner Shield Drain Wire Conductor Material:	TC - Tinned Copper
Pair Color Code Chart:

Number	Color
1	Black & Red
2	Green & White

MULTICONDUCTOR CABLE(S) :


CONDUCTOR :
Total Number of Conductors:	5
Multi-Conductor Conductor Diameter:	.046 in.

OUTER JACKET :


Outer Jacket Material:	PVC - Polyvinyl Chloride

OVERALL CABLING :

Overall Nominal Diameter:

.235 x .511 in.

MECHANICAL CHARACTERISTICS :

Operating Temperature Range:

0°C To +80°C

Other Temperature Range:

80°C

Bulk Cable Weight:

57 lbs/1000 ft.

Max. Recommended Pulling Tension:

125 lbs.

Min. Bend Radius (Install):

2.5 in.

APPLICABLE SPECIFICATIONS AND AGENCY COMPLIANCE :

APPLICABLE STANDARDS :

NEC/(UL) Specification:	CM, CATV
CEC/C(UL) Specification:	CM

FLAME TEST :

UL Flame Test:

UL1581 Vertical Tray

ELECTRICAL CHARACTERISTICS :

COAX :

Coax Nom. Characteristic Impedance:	75 +/- 3 Ω
Coax Nom. Inductance:	0.107 µH/ft
Coax Nom. Capacitance Conductor to Shield:	16.2 pF/ft
Coax Nominal Velocity of Propagation:	83 %
Coax Nominal Delay:	1.22 ns/ft
Coax Nom. Conductor DC Resistance @ 20 Deg. C:	10.1 Ω/1000 ft
Coax Nominal Shield DC Resistance:	3.5 Ω/1000 ft
Coax Minimum Structural Return Loss:

Description	Frequency (MHz)	Start Frequency (MHz)	Stop Frequency (MHz)	Minimum Structural Return Loss (dB)
		5	1000	20

Coax Nom. Attenuation:

Description	Frequency (MHz)	Start Frequency (MHz)	Stop Frequency (MHz)	Nom. Attenuation (dB/100 ft.)
	1			0.29
	3.58			0.55
	5			0.65
	10			0.87
	55			1.83
	211			3.61
	270			4.10
	300			4.33
	330			4.69
	400			5.02
	450			5.33
	550