Cable Datasheets


HandyForm-II (low-density dielectric) Cable
Cable Type 250L (422-250-3)
Frequency Range: DC - 20.00 GHz
General
Cabel Model No.422-250-3
Cable Code for Cable Assemblies250L
Max. Operating Frequency (GHz)20.00
Mechanical
Outer Diameterinches0.2500"
mm6.35
Outer Conductor ConstructionAluminum/Tin
Dielectric Materiallow-density PTFE
Dielectric Dia. (mm)5.31
Dielectric Constant1.5
Center Conductor Materialcopper
Center Conductor Finishsilver-plated
Center Conductor Dia. (mm)1.87
Weight (grams/m)88.00
Safe Bending Radius for a 360° bend with proper tooling (mm)25.40
Electrical
Impedance
(Ohms @ sea level and +25°C)
50 ± 1
Velocity of Propagation
(%, ±2 %)
83.00
Capacitance (pF/m)85.00
Dielectric Strength
(KVrms @ 60 Hz)
7.50
Max. Operating Voltage
(KVrms @ 60 Hz and sea level)
1.80
Nominal Insertion Loss vs. Frequency [dB/m] 0.50 GHz 0.14
1.00 GHz 0.20
5.00 GHz 0.52
10.00 GHz 0.68
18.00 GHz 1.05
Nominal CW Power vs. Frequency
(@ sea level and +20°C)
[Watts]
0.50 GHz 4300.00
1.00 GHz 2800.00
5.00 GHz 1000.00
10.00 GHz 700.00
18.00 GHz 420.00
Environmental
Operating Temperature Range (°C)-40 to +200
Characteristics:
Additional Information:

Spectrum Elektrotechnik GmbH | Olschewskibogen 1 | 80935 Munich, Germany
www.spectrum-et.com | sales@spectrum-et.com | +49 (0)89 / 354 804-0 | +49 (0)89 / 354 804-90
Specifications are subject to change without notice.
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