- The RG179 Coax Cable is a 75-ohm coax cable used in a variety of applications including security systems where high temperature is required.
- With a temperature maximum of 200ยฐC, RG 179 cable also features a small, flexible diameter and a TFE taped outer jacket because of the high-temperature rating.
RG179 Coax Cable Uses and Applications
RG 179 coax cable applications include medical equipment, video security systems, audio security systems (where high-temperature performance is required), and computer applications.
RG 179 Coax Cable Construction
- Conductor:
- Conductor Stranding:ย 7/38
- Number of Strands:ย 7
- Strand Size:ย 38
- Conductor Material:ย Silver-Coated Copper Clad Steel
- Conductor Diameter:ย 0.012 in. (0.305 mm)
- Inner conductor from core:ย .187 inch, maximum
- Inner conductor from the jacket:ย .250 inch, maximum
- Insulation:
- Insulation Diameter:ย 0.063 in. (1.60 mm)
- Dielectric Core:ย Solid, Extruded Polytetrafluoroethylene (PTFE)
- Shield:
- Outer Conductor:ย Single braid of 38 AWG SCCW
- Outer Conductor Diameter:ย 0.084 inches, maximum
- Braid Coverage:ย 92.3%, nominal
- Carriers:ย 16
- Ends:ย 5
- Picks/inch:ย 12.0 +- 10%
- Jacket:
- Jacket: Type IX: FEP
- Jacket Diameter:ย 0.100 inch +- 0.005
- Jacket Type:ย Extruded Fluorinated Ethylene Propylene (FEP)
- Lbs/MFT:ย 9.83
Specification:
| Minimum temperature | -55ยฐC |
| Maximum temperature | 200ยฐC |
| Max Operating Voltage | 1,200 Volts |
| Impedance | 75 Ohm |
| Capacitance | 23.0 (pF/ft) |
| Max Attenuation @ 400 MHz | 21.0 dB/100ft |
| Max Power @ 100 MHz | 880 Watts |
| Max Power @ 400 MHz | 420 Watts |
| Max Power @ 1 GHz | 260 Watts |
| Continuous working voltage | 900 V RMS, maximum |
| Operating Frequency | 3 GHz, maximum |
| Velocity of Propagation | 69.5 percent, nominal |
| Inner Conductor DC Resistance | Maximum at 20ยฐC): 24.45 ohms per 100 feet |
| Tensile Strength | 50 klb/inch, minimum |
| Eccentricity | 10 percent, maximum |
| Stress-crack resistance | 230ยฐC + 5ยฐC |
| Cold Bend | -55ยฐC 2ยฐC |
| Dimensional Stability | 200ยฐC +5ยฐC |
| Spark Test | 2,000 V RMS, +10%, -0% |
| Voltage withstanding | 2,000 V RMS, +10%, -0% |
| Insulation resistance | Not applicable |
| Corona extinction voltage | 1,200 V RMS, minimum |
| Characteristic impedance | 75 ohms +-3 |
| Attenuation | 21.0 dB per 100 feet, maximum, at 0.4 GHz. |
| Structural return loss | Not applicable |
| Electrical Capacitance | 23.0 pF per foot, maximum |
| Max Working Voltage | 900 |
| Max Conductor Resistance | 24.5 (80.2) |
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