Product Hierarchy
Product Hierarchy

9L28020 - Flat Gray Ribbon Cable .050" Pitch, 9L280XX Series, #28-20c, PVC Ins

Flat Gray Ribbon Cable .050" Pitch, 9L280XX Series, 20 Conductor, 28 AWG (7x36) Tinned Copper, PVC Insulation

Product Overview

Suitable Applications: Internal interconnection, internal wiring of electronic equipment, reliable mass-termination to standard IDC connectors

Physical Characteristics (Overall)

287x36TC - Tinned Copper
Conductor Count: 20
MaterialNominal Wall Thickness
PVC - Polyvinyl Chloride0.010 in
Color Chart
Table Notes: First Conductor has Red Stripe

Construction and Dimensions

Cond Spacing Center-Center: .050 +/- .002 in
Cond Spacing Center-Center Outside: .950 +/- .008 in
OuterJacket1, Nominal Width: 1.000 +/- .008 in
OuterJacket1, Nom Thick Flat Section: 0.035 in

Electrical Characteristics

Conductor DCR
Nominal Conductor DCR
68.2 Ohm/1000ft
ElementNom. Capacitance Conductor to Conductor
@ 1 kHz (GSG)18 pF/ft
@ 1 MHz (GS)10 pF/ft
@ 1 MHz (GSG)15 pF/ft
ElementNominal Inductance
@ 1 MHz (GS)0.29 µH/ft
@ 1 MHz (GSG)0.2 µH/ft
Nominal Balanced Characteristic Impedance DescriptionNominal Characteristic ImpedanceNominal Characteristic Impedance Description
(GS)150 Ohm(GS)
(GSG)105 Ohm(GSG)
High Frequency (Nominal/Typical)
Frequency [MHz]Nom. Insertion Loss
10 MHz2.8 dB/100ft
20 MHz4.8 dB/100ft
30 MHz6.5 dB/100ft
40 MHz8.3 dB/100ft
50 MHz9.8 dB/100ft
60 MHz12 dB/100ft
70 MHz13 dB/100ft
80 MHz14 dB/100ft
90 MHz15.8 dB/100ft
100 MHz17 dB/100ft
Table Notes: GSG=Ground-Signal-Ground Mode
Nominal Delay
1.40 ns/ft
Unbalanced Crosstalk
ElementTypical Unbalanced NEXT %Typical Unbalanced FEXT %Typical Cross Talk Pulse Rise Time (ns)
10 ft. sample length4.873 ns
10 ft. sample length3.54.75 ns
10 ft. sample length337 ns
Max. Recommended Current [A]
1 Amp per Conductor at 20ºC
Dielectric Withstand VoltageUL Voltage Rating
2000 V300 V

Temperature Range

Operating Temp Range: -40°C to +105°C

Mechanical Characteristics

Bulk Cable Weight: 23 lbs/1000ft


UL AWM Style Compliance: 2651
CSA AWM Compliance: I A

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


Suitability - Indoor: Yes

Flammability, LS0H, Toxicity Testing

UL Flammability: VW-1
CSA Flammability: FT1
UL voltage rating: 300 V


Plenum (Y/N): No

Part Number

Item #ColorLengthUPC
9L28020 008H100Gray100 ft612825221654


Update and Revision: Revision Number: 0.243 Revision Date: 08-07-2020
Date: 2005-07-01
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