Gigaflight Can Bus Cable 120 Ohm 24 Awg
Part Number(s): 11-17890, GF120T-24CANB
Documents
Unit of Measure Name:
ft
Internal Reference:
RX1-11-17890
Overview
| The GF120-24CANB is an Aerospace grade CAN Bus approved by Garmin for use with Garmin's CAN Bus System architecture. CAN Bus is designed to be a 120 ohm Twinax, which means the insulation thickness is increased to achieve 120 ohms between the conductors. The increased thickness creates an issue with contact extraction because the insulation OD is larger than the contact. |
Features
- With GigaFlight's CAN Bus, we have solved this issue by utilizing a duel wall insulation design. The first layer of insulation is a thinner wall high temp PFA with a finished diameter less than the contact OD.
- The second layer of insulation is a foamed FEP that provides the separation between the wires to maintain a 120 ohms-controlled impedance throughout.
- A section if the foamed insulation is removed in the termination process to provide access for contact removal.
- An added benefit of a dual wall construction is that the solid insulation eliminates insulation creep back, a common issue with an all foam insulation design.
- The silver-plated enhanced insertion loss and improves solder flow over tin-plated braid alternatives.
Specifications
| Outer Diameter | 0.142" |
|---|---|
| Weight | 17.5 lbs per 1000 ft |
| Operating Temperature | -55°C to -200°C |
| Minimum Bend Radius | 0.76" |
| Impedance | 120Ù |
| Capacitance | 11.5pF per Ft |
| Velocity of Propagation | 75% |
| DC Resistance | 28.1Ù/1000ft max |
| Shield DCR | 13.3Ù/1000 ft |
| Dielectric Voltage Rating | 1.5 KV RMS |
Cable Construction
| 1 | Conductors | 24 AWG Silver-plated Copper Alloy |
|---|---|---|
| 2 | Inner Insulation | Solid Fluropolymer |
| 3 | Outer Insulation | Foamed Fluropolymer |
| 4 | Color Code | Blue, White |
| 5 | Filler | FEP |
| 6 | Binder | PTFE Tape |
| 7 | Shield | SPC Woven Strip, 92% Min Coverage |
| 8 | Jacket | White, laser-markable, Tefzel |
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