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Custom Amphenol TWB 240 (LMR240) Cable build
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Description

MADE IN THE USA by AMPHENOL - Use Code Amphenol in the shopping cart for 35% off

LMR-240 Construction with a UV Protected - Fire Rated PVC Jacket, making it more flexible than Times LMR-240.  We purchased what I believe to be the last batch of 2401 coax made in the US.  All production has been moved to S. Korea as of this time and delegated to teh Asian market.


Amphenol 240?

There was a time when Amphenol needed a Flagship cable product to compete with Times Microwave LMR-240 cable.  Amphenol created TWB 2401 to do just that, and set up production here in the USA.  The cable type is little known and never developed the reputation it deserved for a very good reason.  Amphenol bought Times Microwave and Times Fiber and now owned LMR-240.  They ceased production of TWB 2401 in order to not compete with themselves.

 

SPECIFICATIONS

PHYSICAL PROPERTYS
Inner Conductor 0.0559 in (1.42 mm) Solid Bare Copper
Dielectric 0.150 in (3.81 mm) Foamed Polyethylene
1st Outer Conductor 0.157 in (3.99 mm) Sealed Al-Mylar Tape
2nd Outer Conductor 0.178 in (4.51 mm) 36AWG, 95% Tinned Copper Braid
Jacket 0.240 in (6.10 mm) UV/Fire Rated PVC
MECHANICAL PROPERTYS
Product Weight 34.3 lb/kft (51 kg/km)
Minimum Bend Radius 2.40 in (61.0 mm)
ELECTRICAL PROPERTYS
Operation Frequency 30 ~ 6000
Characteristic Impedance 50 ± 3 Ω
24.2 /kft (79.4 /) Capacitance, Nom.
3.4 Ω/kft (11 Ω/km) Inner Conductor Resistance @ 20
4.0 Ω/kft (13 Ω/km) Outer Conductor Resistance @ 20
     

 

ATTENUATION  



Frequency
dB/100ft dB/100m Avg.Power Rating,Kw
30 1.34 4.40 1.49
50 1.74 5.70 1.15
150 3.02 9.90 0.66
220 3.66 12.00 0.54
450 5.27 17.30 0.38
900 7.56 24.80 0.26
1500 9.88 32.40 0.20
1800 10.85 35.60 0.18
2000 11.49 37.70 0.17
2500 12.92 42.40 0.15
5800 20.36 66.80 0.10
Attenuation increases with increasing temperature and decreases with decreasing temperature at the rate of 0.1% / (0.18% / )
Average Power Rating @ 40, Ambient VSWR 1.0, Inner Conductor Temperature @ 100
Model Type TWB 2401
240Z95E00BK5770000R1 MI No.
Velocity of Propagation, Nom. 83 %

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