Coaxial Cable Specifications
Coaxial Cable Formulas page
Coaxial Cable Vendors page
| Dielectric Type | Time Delay (ns/ft) | Propagation Velocity (% of c) |
| Solid Polyethylene (PE) | 1.54 | 65.9 |
| Foam Polyethylene (FE) | 1.27 | 80.0 |
| Foam Polystyrene (FS) | 1.12 | 91.0 |
| Air Space Polyethylene (ASP) | 1.15-1.21 | 84-88 |
| Solid Teflon (ST) | 1.46 | 69.4 |
| Air Space Teflon (AST) | 1.13-1.20 | 85-90 |
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Properties for popular coaxial cables are listed below. Click here for coax cable formulas.
c = speed of light in vacuum
| Type (/U) | MIL-W-17 | Z0(Ω) | Dielectric Type | Capacitance (pF/ft) | O.D. (in.) | dB/100 ft @400 MHz | Vmax (rms) | Shield |
| RG-4 | 50.0 | PE | 30.8 | 0.226 | 11.7 | 1,900 | Braid | |
| RG-5 | 52.5 | PE | 28.5 | 0.332 | 7.0 | 3,000 | Braid | |
| RG-5A/B | 50.0 | PE | 30.8 | 0.328 | 6.5 | 3,000 | Braid | |
| RG-6 | /2-RG6 | 76.0 | PE | 20.0 | 0.332 | 7.4 | 2,700 | Braid |
| RG-6A | /2-RG6 | 75.0 | PE | 20.6 | 0.332 | 6.5 | 2,700 | Braid |
| RG-8 | 52.0 | PE | 29.6 | 0.405 | 6.0 | 4,000 | Braid | |
| RG-8A | 52.0 | PE | 29.6 | 0.405 | 6.0 | 5,000 | Braid | |
| RG-9 | 51.0 | PE | 30.2 | 0.420 | 5.9 | 4,000 | Braid | |
| RG-9A | 51.0 | PE | 30.2 | 0.420 | 6.1 | 4,000 | Braid | |
| RG-9B | 50.0 | PE | 30.8 | 0.420 | 6.1 | 5,000 | Braid | |
| RG-10 | 52.0 | PE | 29.6 | 0.463 | 6.0 | 4,000 | Braid | |
| RG-10A | 52.0 | PE | 29.6 | 0.463 | 6.0 | 5,000 | Braid | |
| RG-11 | /6-RG11 | 75.0 | PE | 20.6 | 0.405 | 5.7 | 4,000 | Braid |
| RG-11A | /6-RG11 | 75.0 | PE | 20.6 | 0.405 | 5.2 | 5,000 | Braid |
| RG-12 | /6-RG12 | 75.0 | PE | 20.6 | 0.463 | 5.7 | 4,000 | Braid |
| RG-12A | /6-RG12 | 75.0 | PE | 20.6 | 0.463 | 5.2 | 5,000 | Braid |
| RG-17A | 52.0 | PE | 29.6 | 0.870 | 2.8 | 11,000 | Braid | |
| RG-22 | /15-RG22 | 95.0 | PE | 16.3 | 0.405 | 10.5 | 1,000 | Braid |
| RG-22A/B | /15-RG22 | 95.0 | PE | 16.3 | 0.420 | 10.5 | 1,000 | Braid |
| RG-23/A | /16-RG23 | 125.0 | PE | 12.0 | 0.650 | 5.2 | 3,000 | Braid |
| RG-24/A | /16-RG24 | 125.0 | PE | 12.0 | 0.708 | 5.2 | 3,000 | Braid |
| RG-34 | /24-RG34 | 71.0 | PE | 21.7 | 0.625 | 5.3 | 5,200 | Braid |
| RG-34A | /24-RG34 | 75.0 | PE | 20.6 | 0.630 | 5.3 | 6,500 | Braid |
| RG-35 | /64-RG35 | 71.0 | PE | 21.7 | 0.928 | 2.8 | 10,000 | Braid |
| RG-35A/B | /64-RG35 | 75.0 | PE | 20.6 | 0.928 | 2.8 | 10,000 | Braid |
| RG-55B | 53.5 | PE | 28.8 | 0.200 | 11.7 | 1,900 | Braid | |
| RG-58 | /28-RG58 | 53.5 | PE | 28.8 | 0.195 | 11.7 | 1,900 | Braid |
| RG-58A | /28-RG58 | 52.0 | PE | 29.6 | 0.195 | 13.2 | 1,900 | Braid |
| RG-58B | 53.5 | PE | 28.8 | 0.195 | 14.0 | 1,900 | Braid | |
| RG-58C | /28-RG58 | 50.0 | PE | 30.8 | 0.195 | 14.0 | 1,900 | Braid |
| RG-59/A | /29-RG59 | 73.0 | PE | 21.1 | 0.242 | 10.5 | 2,300 | Braid |
| RG-59B | /29-RG59 | 75.0 | PE | 20.6 | 0.242 | 9.0 | 2,300 | Braid |
| RG-62/A/B | /30-RG62 | 93.0 | ASP | 13.5 | 0.242 | 8.0 | 750 | Braid |
| RG-63/A/B | /31-RG63 | 125.0 | ASP | 10.0 | 0.405 | 5.5 | 1,000 | Braid |
| RG-65/A | /34-RG65 | 950.0 | ASP | 44.0 | 0.405 | 16 @5MHz | 1,000 | Braid |
| RG-71/A/B | /90-RG71 | 93.0 | ASP | 13.5 | 0.245 | 8.0 | 750 | Braid |
| RG-79/A/B | /31-RG79 | 125.0 | ASP | 10.0 | 0.436 | 5.5 | 1,000 | Braid |
| RG-83 | 35.0 | PE | 44.0 | 0.405 | 9.0 | 2,000 | Braid | |
| RG-88 | 48.0 | 50.0 | 0.515 | 0.7 @1MHz | 10,000 | Braid | ||
| RG-108/A | /45-RG108 | 78.0 | PE | 19.7 | 0.235 | 2.8 @10MHz | 1,000 | Braid |
| RG-111/A | /15-RG111 | 95.0 | PE | 16.3 | 0.478 | 10.5 | 1,000 | Braid |
| RG-114/A | /47-RG114 | 185.0 | ASP | 6.5 | 0.405 | 8.5 | 1,000 | Braid |
| RG-119 | /52-RG119 | 50.0 | ST | 29.4 | 0.465 | 3.8 | 6,000 | Braid |
| RG-120 | /52-RG120 | 50.0 | ST | 29.4 | 0.523 | 3.8 | 6,000 | Braid |
| RG-122 | /54-RG122 | 50.0 | PE | 30.8 | 0.160 | 18.0 | 1,900 | Braid |
| RG-130 | /56-RG130 | 95.0 | PE | 17.0 | 0.625 | 8.8 | 3,000 | Braid |
| RG-131 | /56-RG131 | 95.0 | PE | 17.0 | 0.683 | 8.8 | 3,000 | Braid |
| RG-133/A | /100-RG133 | 95.0 | PE | 16.3 | 0.405 | 5.7 | 4,000 | Braid |
| RG-141/A | 50.0 | ST | 29.4 | 0.190 | 9.0 | 1,900 | Braid | |
| RG-142/A/B | /60-RG142 | 50.0 | ST | 29.4 | 0.195 | 9.0 | 1,900 | Braid |
| RG-144 | /62-RG144 | 75.0 | ST | 19.5 | 0.410 | 4.5 | 5,000 | Braid |
| RG-164 | /64-RG164 | 75.0 | PE | 20.6 | 0.870 | 2.8 | 10,000 | Braid |
| RG-165 | /65-RG165 | 50.0 | ST | 29.4 | 0.410 | 5.0 | 5,000 | Braid |
| RG-166 | /65-RG166 | 50.0 | ST | 29.4 | 0.460 | 5.0 | 5,000 | Braid |
| RG-174 | 50.0 | 30.5 | 0.110 | 14.7 | Braid | |||
| RG-177 | /67-RG177 | 50.0 | PE | 30.8 | 0.895 | 2.8 | 11,000 | Braid |
| RG-178/A/B | /93-RG178 | 50.0 | ST | 29.4 | 0.072 | 29.0 | 1,000 | Braid |
| RG-179 | /94-RG179 | 70.0 | ST | 20.9 | 0.100 | 21.0 | 1,200 | Braid |
| RG-179A/B | /94-RG179 | 75.0 | ST | 19.5 | 0.100 | 21.0 | 1,200 | Braid |
| RG-180 | /95-RG180 | 93.0 | ST | 15.4 | 0.140 | 17.0 | 1,500 | Braid |
| RG-180A/B | /95-RG180 | 95.0 | ST | 15.4 | 0.140 | 17.0 | 1,500 | Braid |
| RG-210 | /97-RG210 | 93.0 | ASP | 13.5 | 0.242 | 8.0 | 750 | Braid |
| RG-211/A | /72-RG211 | 50.0 | ST | 29.4 | 0.730 | 2.3 | 7,000 | Braid |
| RG-212 | /73-RG212 | 50.0 | PE | 29.4 | 0.332 | 6.5 | 3,000 | Braid |
| RG-213 | /74-RG213 | 50.0 | PE | 30.8 | 0.405 | 5.5 | 5,000 | Braid |
| RG-214 | /75-RG214 | 50.0 | PE | 30.8 | 0.425 | 5.5 | 5,000 | Dbl Braid |
| RG-215 | /74-RG215 | 50.0 | PE | 30.8 | 0.463 | 5.5 | 5,000 | Braid |
| RG-216 | /77-RG216 | 75.0 | PE | 20.6 | 0.425 | 5.2 | 5,000 | Braid |
| RG-217 | /78-RG217 | 50.0 | PE | 30.8 | 0.545 | 4.3 | 7,000 | Braid |
| RG-218 | /79-RG218 | 50.0 | PE | 30.8 | 0.870 | 2.5 | 11,000 | Braid |
| RG-219 | /79-RG219 | 50.0 | PE | 30.8 | 0.928 | 2.5 | 11,000 | Braid |
| RG-223 | /84-RG223 | 50.0 | PE | 19.8 | 0.211 | 8.8 | 1,900 | Dbl Braid |
| RG-302 | /110-RG302 | 75.0 | ST | 19.5 | 0.201 | 8.0 | 2,300 | Braid |
| RG-303 | /111-RG303 | 50.0 | ST | 29.4 | 0.170 | 9.0 | 1,900 | Braid |
| RG-304 | /112-RG304 | 50.0 | ST | 29.4 | 0.280 | 6.0 | 3,000 | Braid |
| RG-307/A | /116-RG307 | 75.0 | 80 | 16.9 | 0.270 | 7.5 | 1,000 | Braid |
| RG-316 | /113-RG316 | 50.0 | ST | 29.4 | 0.102 | 20.0 | 1,200 | Braid |
| RG-391 | /126-RG391 | 72.0 | 23.0 | 0.405 | 15.0 | 5,000 | Braid | |
| RG-392 | /126-RG392 | 72.0 | 23.0 | 0.475 | 15.0 | 5,000 | Braid | |
| RG-393 | /127-RG393 | 50.0 | ST | 29.4 | 0.390 | 5.0 | 5,000 | Braid |
| RG-400 | /128-RG400 | 50.0 | ST | 29.4 | 0.195 | 9.6 | 1,900 | Braid |
| RG-401 | /129-RG401 | 50.0 | ST | 29.4 | 0.250 | 4.6 | 3,000 | Cu. S-R |
| RG-402 | /130-RG402 | 50.0 | ST | 29.4 | 0.141 | 7.2 | 2,500 | Cu. S-R |
| RG-403 | /131-RG403 | 50.0 | ST | 29.4 | 0.116 | 29.0 | 2,500 | Braid |
| RG-405 | /133-RG405 | 50.0 | ST | 29.4 | 0.086 | 13.0 | 1,500 | Cu. S-R |
| 9914 (Belden) | 50.0 | 26.0 | 0.405 | 10.0 | ------ |
Webmaster: Kirt Blattenberger, BSEE, UVM 1989