Product Hierarchy
Product Hierarchy

9L30050 - Flat Gray Ribbon Cable 9L300 Series, #30-50c, .025" Pitch

Belden miniaturized .025" pitch gray ribbon cable provides higher signal density and greater design flexibility. The cable is manufactured to precise tolerances which allows for mass-termination to standard IDC connectors.

Physical Characteristics (Overall)

AWGMaterialConstruction n x DNo. of Conductors
30TC - Tinned CopperStranded50
Conductor Count: 50
MaterialNominal Wall Thickness
PVC - Polyvinyl Chloride0.008 in
Color Chart
Outer Shield Material
No Shield
Outer Jacket Material
Nominal Wall Thickness
.122 in

Construction and Dimensions

Cond Spacing Center-Center: .025 +/- .002
Cond Spacing Center-Center Outside: 1.225 +/- .007
OuterJacket1, Nominal Width: 1.25 +/- .007 mm

Electrical Characteristics

Conductor DCR
Nominal Conductor DCRNominal Conductor DCR Conductor Resistance
108 OHMS/1000 FT. MAX. Ohm/1000ft108 Ohm/1000ft
ElementNom. Capacitance Conductor to Conductor
@ 1 kHz (GS)18 pF/ft
@ 1 kHz (GSG)32 pF/ft
@ 1 MHz (GS)14 pF/ft
@ 1 MHz (GSG)24 pF/ft
ElementNominal Inductance
@ 1 MHz (GS)0.21 µH/ft
@ 1 MHz (GSG)0.14 µH/ft
Nominal Balanced Characteristic Impedance DescriptionNominal Characteristic ImpedanceNominal Characteristic Impedance Description
(GS)105 Ohm(GS)
(GSG)70 Ohm(GSG)
High Frequency (Nominal/Typical)
Frequency [MHz]Nom. Insertion Loss
10 MHz5.4 dB/100ft
20 MHz9.5 dB/100ft
30 MHz14.1 dB/100ft
40 MHz18 dB/100ft
50 MHz20.1 dB/100ft
60 MHz24.9 dB/100ft
70 MHz26.5 dB/100ft
80 MHz30 dB/100ft
90 MHz30.6 dB/100ft
100 MHz33 dB/100ft
Nominal DelayNominal Velocity of Propagation (VP) [%]
1.52 ns/ft66%
Unbalanced Crosstalk
ElementTypical Unbalanced NEXT %Typical Unbalanced FEXT %Typical Cross Talk Pulse Rise Time (ns)
10 ft. sample length6 MHz7.1 MHz3 ns
10 ft. sample length5.4 MHz7 MHz5 ns
10 ft. sample length5 MHz6.6 MHz7 ns
High Freq
Frequency [MHz]
10 MHz
20 MHz
30 MHz
40 MHz
50 MHz
60 MHz
70 MHz
80 MHz
90 MHz
100 MHz
Max. Recommended Current [A]
Per conductor @ 20°C: 0.5 A
UL Voltage Rating
150 V RMS

Temperature Range

Operating Temp Range: -40°C To +105°C

Mechanical Characteristics

Bulk Cable Weight: 33 lbs/1000ft
Min Bend Radius/Minor Axis: 0.5 in


UL Rating: UL AWM Style 2678
UL AWM Style Compliance: 2678
CSA Rating: 105°C, 150 V, FT1
CSA AWM Compliance: AWM I A 105°C 150 V FT1

Applicable Environmental and Other Programs

EU Directive 2000/53/EC (ELV): Yes
EU Directive 2011/65/EU (ROHS II): Yes
EU Directive 2012/19/EU (WEEE): Yes
EU Directive 2015/863/EU: Yes
EU Directive Compliance: Yes
EU CE Mark: Yes
EU RoHS Compliance Date (yyyy-mm-dd): 2005-07-01
MII Order #39 (China RoHS): Yes

Flammability, LS0H, Toxicity Testing

UL Flammability: VW-1
CSA Flammability: FT1
UL voltage rating: 150 V RMS


Plenum (Y/N): No

Part Number

Item #ColorLengthUPC
9L30050 008H100Gray100 ft612825221777

Product Notes

Notes: GSG=Ground-Signal-Ground Mode


Update and Revision: Revision Number: 0.231 Revision Date: 04-28-2020
Date: 2005-07-01
No accessories are available for this product