2L28026 - Flat Ribbon Cable

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Belden 1.00mm pitch gray ribbon cable was designed for the disk drive market where the 2.00mm IDC connector is widely used.

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Physical Characteristics (Overall)

Conductor

AWG	Stranding	Material	No. of Conductors
28	7x36	TC - Tinned Copper	26

Conductor Count:	26

Insulation

Material	Nominal Wall Thickness
PVC - Polyvinyl Chloride	0.01 in

Outer Shield Material

Material
No Shield

Outer Jacket Material

Nominal Wall Thickness
.035 in

Construction and Dimensions

Cond Spacing Center-Center:	.039 +/- .003

Cond Spacing Center-Center Outside:	.984 +/- .008

OuterJacket1, Nominal Width:	1.02 mm

Electrical Characteristics

Conductor DCR

Nominal Conductor DCR	Nominal Conductor DCR Conductor Resistance
68.2 OHMS/1000 FT. MAX. Ohm/1000ft	68.2 Ohm/1000ft

Capacitance

Element	Nom. Capacitance Conductor to Conductor
@ 1 kHz (GSG)	20 pF/ft
@ 1 MHz (GS)	9.5 pF/ft
@ 1 MHz (GSG)	16.5 pF/ft

Inductance

Element	Nominal Inductance
@ 1 MHz (GS)	0.24 µH/ft
@ 1 MHz (GSG)	0.16 µH/ft

Impedance

Nominal Balanced Characteristic Impedance Description	Nominal Characteristic Impedance	Nominal Characteristic Impedance Description
(GS)	130 Ohm	(GS)
(GSG)	90 Ohm	(GSG)

High Frequency (Nominal/Typical)

Frequency [MHz]	Nom. Insertion Loss
10 MHz	3.3 dB/100ft
20 MHz	5.1 dB/100ft
30 MHz	7 dB/100ft
40 MHz	8.3 dB/100ft
50 MHz	9.8 dB/100ft
60 MHz	11.6 dB/100ft
70 MHz	13.1 dB/100ft
80 MHz	14.2 dB/100ft
90 MHz	16.4 dB/100ft
100 MHz	17.6 dB/100ft

Delay

Max. Delay Skew	Nominal Delay	Nominal Velocity of Propagation (VP) [%]
69 ns/100m	1.47 ns/ft	69 %

Unbalanced Crosstalk

Element	Typical Unbalanced NEXT %	Typical Unbalanced FEXT %	Typical Cross Talk Pulse Rise Time (ns)
10 ft. sample length	4.3 MHz	6.7 MHz	3 ns
10 ft. sample length	3.8 MHz	3.4 MHz	5 ns
10 ft. sample length	3.6 MHz	2.5 MHz	7 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

Current

Max. Recommended Current [A]
1 Amp per conductor @ 20°C

Voltage

Dielectric Withstand Voltage	UL Voltage Rating
2,000 V RMS	300 V RMS

Temperature Range

Operating Temp Range:	-40°C To +105°C

Mechanical Characteristics

Bulk Cable Weight:	30 lbs/1000ft

Min Bend Radius (Overall Cable):	1.04

Min Bend Radius/Minor Axis:	0.5 in

Standards

UL Rating:	AWM Style 2651

CSA Rating:	I A

Applicable Environmental and Other Programs

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:	300 V RMS

Plenum/Non-Plenum

Plenum (Y/N):	No

Part Number

Variants

Item #	Color	Length	UPC
2L28026 008H100	Gray	100 ft	612825127550

Product Notes

Notes:	GSG=Ground-Signal-Ground Mode

History

Update and Revision:	Revision Number: 0.226 Revision Date: 04-28-2020

Date: 2005-07-01

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2L28026 - Flat Gray Ribbon Cable 2L280XX Series, #28-26c, 1mm Pitch, PVC Jkt