Belden-3131A RG-6 Duobond® IV Quad Shield (100% coverage), PVC Jacket. Industrial ControlBus 雙網雙鋁(100%)工業電腦數據傳輸同軸電纜

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Belden-3131A RG-6 Duobond® IV Quad Shield (100% coverage), PVC Jacket. Industrial ControlBus 雙網雙鋁(100%)工業電腦數據傳輸同軸電纜

162666

商品編號: Belden-3131A

Belden-3131A RG-6 Duobond® IV Quad Shield (100% coverage), PVC Jacket. Industrial ControlBus 雙網雙鋁(100%)工業電腦數據傳輸同軸電纜

3131A Coax - IEEE 802.4 Map Cable

Total # Cond.	# Coax
1	1

RG Type	AWG	Stranding	Type	Insulation	Insulation Thickness (in.)	Shield
6/U	18	Solid	BCCS - Bare Copper Covered Steel	Foam PE - Foam Polyethylene	.07000	Quad Shield - Bonded Duofoil/Braid/Duofoil/Braid

Jacket	Jacket Thickness (in.)	Nom. Core OD (in.)	Nom. OD (in.)	Nom. Cond. DCR (Ohms/M')	Nom. Imp. (Ohms)	Nom. Vel. Of Prop. (%)	Nom. Cap. (pF/ft)
PVC - Polyvinyl Chloride	.0250	.1800	.3000	28.000	75.0	82.0	16.200

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Description

Coax, 1 coax, 18 AWG, Solid BCCS - Bare Copper Covered Steel conductors, Foam PE - Gas Injected Foam Polyethylene insulation, Quad Shield - Bonded Aluminum Foil-Polyester Tape-Aluminum Foil (Bonded Duofoil) shield plus aluminum Braid shield with 60% shield coverage plus Aluminum Foil-Polyester Tape-Aluminum Foil (Duofoil) shield plus aluminum Braid shield with 40% shield coverage, PVC - Polyvinyl Chloride jacket, RG Type 6/U, 75 Ohm. UL/NEC Rating: CMR or CL2R. CSA/CE Rating: CMR. Flame Test: UL 1666 Vertical Riser. Applicable Specification: IEEE 802.4 Map and IEEE 802-7 Mini Map, UL 444. ControlBus Cable. DUOFOIL is a Belden registered trademark. CONTROLBUS is a Belden trademark.

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3131A

I. DESCRIPTION:

------------

CONTROLBUS(TM) CABLE. RISER RG 6/U TYPE, 75 OHM,

18 AWG SOLID COPPER COVERED STEEL, QUAD SHIELD, DEC

* GREY PVC JACKET. TAP MARKS EVERY 2.6 METERS.

IEEE 802.4 MAP & MINI MAP CABLE COMPLIANT.

-

II. ELECTRICAL CHARACTERISTICS:

---------------------------

IMPEDANCE: 75 +/- 3 OHMS

NOM. INDUCTANCE: .097 MICRO-H/FT

NOM. CAPACITANCE

CONDUCTOR TO SHIELD: 16.2 PF/FT

NOM. VELOCITY OF PROPAGATION: 82%

NOM. DELAY: 1.2 NS/FT

ATTENUATION:

NOMINAL

MHZ DB/100'

1 0.35

2 0.38

5 0.45

10 0.59

20 0.86

50 1.37

-

STRUCTURAL RETURN LOSS: 5-400 MHZ, 23 DB MIN.

TILT 5 TO 10 MHZ: 0.53 DB/100 M

TILT 10 TO 20 MHZ: 0.89 DB/100 M

PHASE DELAY DISTORTION:

F/B %PDD/100 M (5MB) %PDD/100 M (10MB)

0.5 -1.03 -1.58

1.0 -0.30 -0.57

1.5 0 0

2.0 +0.20 +0.40

2.5 +0.40 +0.69

MAX. OPERATING VOLTAGE: 350 V RMS

NOM. CONDUCTOR DC RESISTANCE

@ 20 DEG C: 28 OHMS/1000'

NOM. SHIELD DC RESISTANCE

@ 20 DEG C: 3.6 OHMS/1000'

.

III. PHYSICAL CHARACTERISTICS:

-------------------------

TEMPERATURE RATING: -30 TO +75 DEG C

NOM. WEIGHT/1000': 33 LBS

MIN. BENDING RADIUS: 3.0"

MAX. PULLING TENSION: 162 LBS

CONDUCTOR MATERIAL & DIA: 18 AWG SOLID BARE

COPPER COVERED STEEL,

.040"

DIELECTRIC MATERIAL & DIA: GAS INJECTED FOAM

POLYETHYLENE,

.180"

SHIELD TYPE: 1ST LAYER-BONDED DUOFOIL(R)

2ND LAYER-60% ALUM BRAID

3RD LAYER-DUOFOIL

4TH LAYER-40% ALUM BRAID

JACKET MATERIAL & DIA: PVC .300"

U.L./NEC RATING: CMR OR CL2R

CSA/CEC RATING: CMR

FLAME TEST: UL-1666 VERTICAL RISER

APPLICABLE SPECIFICATIONS: IEEE 802.4 MAP & MINI MAP

UL 444