3M™ Round Conductor Flat Cable .050" 28 AWG Stranded, TPE 3355 Series is a round conductor flat cable produced by 3M company. The wire specification is 28AWG, the core is 7×36 (7×0.127) and the core material is tin plated copper. The voltage rating is 300V.
The 3M 3355 Series round conductor flat cable features .050" center-to-center spacing, 28 AWG tinned stranded copper conductors, and a thermoplastic elastomer (TPE) insulation for low‑cost, high‑performance transmission. It is available in gray, with a characteristic impedance of 117 Ω and a propagation delay of 1.37 ns/ft.
The cable meets various regulatory requirements, including UL horizontal flammability and RoHS compliance (with noted exemptions). Ordering options include 100 ft or 300 ft rolls, and technical support is provided through 3M’s Interconnect Solutions division.
| Conductor size | 28 AWG, 7 × 0.127 mm tinned stranded copper |
|---|---|
| Insulation material | Thermoplastic Elastomer (TPE) |
| Color | Gray |
| Voltage rating (USA) | 300 V |
| Characteristic impedance | 117 Ω |
| Capacitance | 11.7 pF/ft |
| Inductance | 0.16 pH/ft |
| Propagation delay | 1.37 ns/ft |
| Velocity of propagation | 74 % |
| Operating temperature range | -40 °C to +105 °C |
| Flammability rating | UL Horizontal |
It uses 28 AWG tinned stranded copper conductors arranged as 7 × 0.127 mm strands.
The cable is rated for 300 V in the USA.
It is rated for temperatures from –40 °C up to +105 °C.
Yes, the product is RoHS compliant according to EU Directive 2002/95/EC, with specific exemptions noted in the regulatory appendix.