JMA12-50

1/2” Annular Coaxial Cable

 
1: Jacket 2: Outer conductor 3. Dielectric 4. Inner conductor
Construction Associated Connectors

Inner
conductor

Material Copper clad aluminum wire   UXP-DM-12 UXP-MRA-12
Diameter 0.189 in | 4.80 mm UXP-4MT-12 UXP-DF-12
Dielectric Material Physically foamed PE UXP-NM-12 UXP-4F-12
Diameter 0.480 in | 12.20 mm UXP-2MT-12 UXP-NF-12
Outer
conductor
Material Ring corrugated copper UXP-MDM-12 UXP-MDF-12
Diameter 0.543 in | 13.80 mm UXP-DRA-12 UXP-4MP-12
Jacket Material PE, outdoor rated, black UXP-4RT-12  
Diameter 0.630 in | 16.00 mm UXP-NRA-12  
Mechanical
Cable weight 0.148 lb/ft | 0.22 kg/m
Single minimum bending radius 2.8 in | 70 mm
Multiple minimum bending radius 4.9 in | 125 mm
Tensile force, minimum 253 lb | 1130 N
Bending moment 4.79 lbf·ft | 6.5 Nm
Flat plate crush strength 112 lb/in | 2 kg/mm
Recommended clamp spacing 3.3 ft | 1 m
Environmental
Storage temperature -94 °F to +185 °F | -70 °C to +85 °C
Installation temperature -40 °F to +140 °F | -40 °C to +60 °C
Operation temperature -67 °F to +185 °F | -55 °C to +85 °C
Electrical properites
Impedance 50 ± 1.0 Ω
Dynamic PIM (dBc) > -160 minimum
Nominal capacitance, pF/m 76
Inductance, mH/m 0.19
Propagation velocity 0.88
DC resistance, IC 0.45 Ω/kft | 1.48 Ω/km
DC resistance, OC 0.82 Ω/kft | 2.69 Ω/km
DC test voltage, kV 4.0
Peak power, kW 40
Insulation resistance, MΩkm ≥ 100,000
Screening attenuation, dB >120
Max operating frequency, GHz 8.8
Frequency (MHz) VSWR
617-960 ≤ -30 (1.065)
1700-2200 ≤ -30 (1.065)
2200-2700 ≤ -28 (1.083)
3400-4200 ≤ -23 (1.152)
5150-5925 ≤ -22 (1.173)
Attentuation and average power*
Frequency
(MHz)
Nominal attenuation, @ 20 °C (dB/100m) Power rate
@ 40 °C (kW)
1 0.211 33.723
1.5 0.259 29.068
2 0.299 25.900
10 0.672 12.440
20 0.954 8.863
30 1.172 7.246
50 1.695 5.608
85 2.205 4.287
88 2.208 4.212
100 2.36 3.947
108 2.45 3.795
150 2.87 3.207
174 3.067 2.972
200 3.305 2.766
204 3.31 2.738
300 4.065 2.241
400 4.462 1.929
450 4.759 1.813
460 5.03 1.792
500 5.021 1.715
512 5.085 1.694
600 5.785 1.558
650 6.04 1.493
700 6.27 1.436
750 6.509 1.384
800 6.456 1.337
824 6.56 1.316
894 6.855 1.260
960 7.124 1.213
1700 9.744 0.889
1794 10.433 0.863
1800 10.508 0.862
2000 11.11 0.813
2100 11.19 0.792
2200 11.251 0.771
2300 11.535 0.753
2500 12.09 0.718
2700 12.627 0.688
3000 13.679 0.649
3400 14.401 0.604
3600 15.065 0.585
3700 15.118 0.576
3800 15.302 0.567
3900 15.55 0.559
4000 15.815 0.551
4100 16.121 0.543
4200 16.489 0.536
5000 18.01 0.485
6000 20.216 0.436
* Note: Attenuation specifications are measured by free space method according to IEC61196.4-204.
Maximum attenuation value shall be 105% of the nominal attenuation value.

10/21/21