Trilithic

High Powered Fixed Attenuators

High Powered Fixed Attenuators

The HFP High Power High Frequency attenuators are bidirectional, convection air-cooled and offer broad bandwidth and low VSWR. These units are rated from 5 to 50 Watts CW and operate to 4 and 6 GHz. Connector options vary by model.

High Power Fixed Attenuators

Model HFP-5100 Series HFP-5150 Series HFP-5250 Series HFP-5500 Series HFP-51000 Series
Frequency Range
DC to 6 GHz
DC to 8 GHz
DC to 3 GHz
DC to 3 GHz
DC to 3 GHz
Impedance
50 Ohms
50 Ohms
50 Ohms
50 Ohms
50 Ohms
Attenuation Values
3, 6, 10, 20 and 30 dB
3, 6, 10, 20 and 30 dB
3, 6, 10, 20 and 30 dB
10, 20 and 30 dB
10, 20 and 30 dB
Accuracy
±0.5 dB
DC to 1 GHz
1-3 dB, ±0.3 dB
6 & 10 dB, ±0.4 dB
20 dB, ±0.5 dB
30 dB, ±0.8 dB
1-3 GHz
1-3 dB, ±0.5 dB
6 & 10 dB, ±0.6 dB
20 dB, ±0.8 dB
30 dB, ±1.0 dB
Average Power
250 Watts at 25°C
ambient temperature
 
Derated linearly to
25 Watts at +125°C
Uni-directional
500 Watts from
-55° to +35°C
 
Derated linearly to
50 Watts at +125°C
Uni-directional
Peak Power
5 KW
5 µsec pulse width;
1.5% duty cycle
5 KW
5 µsec pulse width;
1.5% duty cycle
Max. VSWR
1.35:1 max
DC to 3 GHz, 1.10:1 max
DC to 1 GHz, 1.10:1 max
1 to 3 GHz, 1.30:1 max
Operating Temperature
-55° to +125°C
-55° to +35°C
(rated CW power)
 
-55° to +125°C
(at derated power)
Connector Types
N (M/F)
 
Consult factory for
other connector types
N (M/F)
 
Consult factory for
other connector types
N (M/F)
 
Consult factory for
other connector types
N (M/F)
 
Consult factory for
other connector types
N (M/F)
 
Consult factory for
other connector types
Weight
Type N, 2.75 lbs.
Type N, 8.2 lbs.
Physical Size

High Power High Frequency Fixed Attenuators

Model HFP-5100-18
Frequency Range
DC to 18 GHz
Impedance
50 Ohms
Attenuation Values
10, 20 and 30 dB
Accuracy
10 dB, ±1.25 dB
20 dB, ±0.75 dB
30 dB, ±1.00 dB
Average Power
100 Watts to 25°C
ambient temperature
 
Derated linearly to
10 Watts at +125°C
Bi-directional
Peak Power
1 KW
5 µsec pulse width;
5% duty cycle
Max. VSWR
DC to 8 GHz, 1.40:1 max
8 to 12.4 GHz, 1.40:1 max
12.4 to 18 GHz, 1.55:1 max
Operating Temperature
-55° to +125°C
Connector Types
N (M/F)
 
Consult factory for
other connector types
Weight
Type N, 11 oz
SMA, 9 oz
Physical Size
Think Ahead.
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    High Power Fixed Attenuator HFP-5100-3/XX NM/NF-R

    100 Watt DC-3GHz N male/female, 3, 6, 10, 20 and 30 dB.

  • Request a Quote
    High Power Fixed Attenuator HFP-5100-6/XX NM/NF-R
    100 Watt DC-6GHz N male/female, 3, 6, 10, 20 and 30 dB.
  • Request a Quote
    High Power Fixed Attenuator HFP-5100-18/XX NM/NF-R
    100 Watt DC-18GHz N male/female, 10, 20 and 30 dB.
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    High Power Fixed Attenuator HFP-5150-3/XX NM/NF-R
    150 Watt DC-3GHz N male/female, 3, 6, 10, 20 and 30 dB.
  • Request a Quote
    High Power Fixed Attenuator HFP-5150-8/XX NM/NF-R
    150 Watt DC-8GHz N male/female, 3, 6, 10, 20 and 30 dB.
  • Request a Quote
    High Power Fixed Attenuator HFP-5250-3/XX NM/NF-R
    250 Watt DC-3GHz N male/N female, 3, 6, 10, 20 and 30 dB.
  • Request a Quote
    High Power Fixed Attenuator HFP-5500-3/XX NM/NF-R
    500 Watt DC-3GHz N male/N female, 3, 6, 10, 20 and 30 dB.
  • Request a Quote
    High Power Fixed Attenuator HFP-51000-3/XX NM/NF-R
    1000 Watt DC-3GHz N male/N female, 10, 20 and 30 dB.

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