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L2201TX - 50 Ohm Triaxial Cable

L2201TX is a 50 ohm triaxial cable that is used in systems that are susceptible to RFI and noise-generating devices, such as radar or other systems that need to be isolated. To improve the signal-to-noise ratio and noise pick-up, this cable has an additional outer braid shield insulated from the signal carrying conductors. For maximum shielding efficiency, triaxial connectors should be used where the isolation of the two shields is maintained through the connectors. Connectors for S44191 and S44193 coax cables can be used to terminate the “inner coax” of L2201TX.

L2201TX Product Bulletin

L2201TX Burn Test Data

Cable Construction

  • Conductor: Tin-Plated Copper
  • Dielectric: FEP
  • Shield #1: Tin-Plated Copper Braid
  • Inner Jacket: Extruded FEP, Clear
  • Shield #2: Tin-Plated Copper Braid
  • Outer Jacket: Extruded FEP, Clear

Physical Data

  • Conductor:20 AWG Stranded SPC
  • Temperature Range: -55/150°C
  • Outer Diameter: in (mm)0.25 (6.22)
  • Minimum Bend Radius: in (mm)1.25 (31.75)
  • Weight: lbs/100 ft (kg/100 m)6.00 (8.90)

Electrical Data

  • Impedance: ohms50
  • Capacitance: pF/ft (m)29.00 (95.10)
  • Velocity of Propagation: 70.00%
  • Time Delay: ns/ft (m)1.45 (4.76)
  • Shielding Effectiveness: dB (min)-75
  • Dielectric Voltage Rating: (kV, RMS)5.00
  • DC Resistance: ohms/1000 ft (m)9.70 (31.80)


Frequency Nom/Max dB/100 ft Nom/Max (dB/100 m)
@ 0.4 GHz 10.6/11.7 (34.8/38.4)
@ 1.0 GHz 20.4/22.4 (66.9/73.5)
@ 1.6 GHz 29.1/32.0 (95.5/105.0)
@ 5.0 GHz 72.7/80.0 (238.5/262.5)


Formula for Attenuation:
(K1 × √F(MHz) + (K2 × F(MHz))

K Values (nom loss):
K1 =0.335   K2 =0.0098

Spec Sheet Builder

L2201TX Connectors

Select one or more connector files to download directly or add to your compiled pdf document.

Connector TypeDescriptionPart NumberTermination InstructionsAdd to Spec Sheet
50 Ohm ARINC404/600 Size 5110123T-110123
600 Size 1190101T-190XXX
600 Modified Size 1190102T-190XXX
404 Size 1190119T-190XXX
50 Ohm BNCBulkhead Jack111202T-111202
Straight Plug190112T-190XXX
90° Plug190113T-190XXX
Inline Jack190127T-190XXX
50 Ohm C ConnectorsStraight Plug190106T-190XXX
90° Plug190107T-190XXX
50 Ohm HNStraight Plug190104T-190XXX
90° Plug190105T-190XXX
50 Ohm NBulkhead Jack110087T-110788
Straight Plug190110T-190XXX
90° Plug190111T-190XXX
50 Ohm QMAStraight Plug110576T-110576
90° Plug110577
50 Ohm SMAStraight Plug110198T-110198
90° Plug110207T-110207
50 Ohm TNCStraight Plug190108T-190XXX
90° Plug190109T-190XXX
Bulkhead Jack190121T-190XXX
Inline Jack190123T-190XXX
75° Plug190131T-190XXX

Spec Sheet Includes:

  • Assembly Loss at
  • Product Bulletin
  • Burn Test Data

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