50 Ohm Fixed Attenuators
(5 to 50 Watts)
The name JFW has been synonymous with 50 Ohm fixed attenuators since our inception in 1979. Our attenuators are used in RF labs, integrated into RF sub systems, and installed into cellular base stations. We stock a wide selection of fixed attenuators with standard dB values (3, 6, 10, 20, 30dB) and RF connectors (BNC, N, SMA, TNC). We also manufacture fixed attenuators with custom dB values and mixed RF connector combinations.
An attenuator is used to decrease the power level of a RF signal. A fixed attenuator is an attenuator that has a single fixed dB value. When purchasing a fixed attenuator you have to specify which dB value you require. Use our selection chart to look up your required dB value.
For your specific application, please contact JFW or use our Inquiry Form.
Fixed Attenuators with Round Heatsinks
JFW Model # | Impedance | Frequency Range | RF Input Power | Attenuation Values | Heatsink Style | RF Connectors |
---|---|---|---|---|---|---|
50FHC-XXX-10-6 | 50 Ohm | DC-6 GHz | 10 Watt | 1-50 dB | Round | 4.1/9.5, 4.3/10, N, SMA, TNC |
50HFFA-XXX-10/18 | 50 Ohm | DC-18 GHz | 10 Watt | 1-30 dB | Round | N or SMA |
50FH-XXX-10 | 50 Ohm | DC-2 GHz | 10 Watt | 1-30 dB | Round | BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FH-XXX-5 | 50 Ohm | DC-2 GHz | 5 Watt | 1-60 dB | Round | BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FHC-XXX-10 | 50 Ohm | DC-4 GHz | 10 Watt | 1-60 dB | Round | BNC, N, RP-TNC, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FHC-XXX-15 | 50 Ohm | DC-4 GHz | 15 Watt | 1-60 dB | Round | BNC, N, RP-TNC, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FHC-XXX-20 | 50 Ohm | DC-4 GHz | 20 Watt | 1-60 dB | Round | BNC, N, RP-TNC, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FHC-XXX-25 | 50 Ohm | DC-4 GHz | 25 Watt | 1-60 dB | Round | BNC, N, RP-TNC, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FHXC-XXX-40 | 50 Ohm | DC-4 GHz | 40 Watt | 1-60 dB | Round | BNC, N, RP-TNC, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FHXC-XXX-50 | 50 Ohm | DC-4 GHz | 50 Watt | 1-60 dB | Round | BNC, N, RP-TNC, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FPE-XXX | 50 Ohm | DC-6 GHz | 5 Watt | 1-60 dB | Round | N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FHC-XXX-25-6 | 50 Ohm | DC-6 GHz | 25 Watt | 1-50 dB | Round | 4.1/9.5, 4.3/10, 7/16, N, SMA, TNC |
50FHXC-XXX-50-6 | 50 Ohm | DC-6 GHz | 50 Watt | 1-50 dB | Round | 4.1/9.5, 4.3/10, 7/16, N, SMA, TNC |
50HFFA-XXX-5/18 | 50 Ohm | DC-18 GHz | 5 Watt | 1-30 dB | Round | N or SMA |
50HFFA-XXX-50/18 | 50 Ohm | DC-18 GHz | 50 Watt uni-directional | 1-40 dB | Round | N or SMA |
50HFFA-XXX-25/18 | 50 Ohm | DC-18 GHz | 25 Watt | 1-40 dB | Round | N or SMA |
50HFFA-XXX-20/18 | 50 Ohm | DC-18 GHz | 20 Watt | 1-40 dB | Round | N or SMA |
50HFFA-XXX-30/18 | 50 Ohm | DC-18 GHz | 30 Watt uni-directional | 1-40 dB | Round | N or SMA |
50HFFB-XXX-5/40 | 50 Ohm | DC-40 GHz | 5 Watt | 1-10, 20, 30 dB | Round | 2.92mm |
50HFFA-XXX-5/8 | 50 Ohm | DC-8.4 GHz | 5 Watt | 1-30 dB | Round | N |
50HFFB-XXX-10/40 | 50 Ohm | DC-40 GHz | 10 Watt | 1-10, 20, 30 dB | Round | 2.92mm |
50HFFA-XXX-5/26 | 50 Ohm | DC-26.5 GHz | 5 Watt | 1-30 dB | Round | SMA |
50HFFA-XXX-10/26 | 50 Ohm | DC-26.5 GHz | 10 Watt | 1-30 dB | Round | SMA |
Fixed Attenuators with Square Heatsinks
JFW Model # | Impedance | Frequency Range | RF Input Power | Attenuation Values | Heatsink Style | RF Connectors |
---|---|---|---|---|---|---|
50FH-XXX-30 | 50 Ohm | DC-2 GHz | 30 Watt | 1-50 dB | Square | BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FH-XXX-30-3 | 50 Ohm | DC-3 GHz | 30 Watt | 1-50 dB | Square | BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FH-XXX-50 | 50 Ohm | DC-2 GHz | 50 Watt | 1-50 dB | Square | BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FH-XXX-50-3 | 50 Ohm | DC-3 GHz | 50 Watt | 1-50 dB | Square | BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50HFFE-XXX-50/8 | 50 Ohm | DC-8.4 GHz | 50 Watt uni-directional | 1-40 dB | Square | N or SMA |
50HFFE-XXX-50/18 | 50 Ohm | DC-18 GHz | 50 Watt uni-directional | 1-40 dB | Square | N or SMA |
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10 Watt Fixed Attenuator | 50FHC-XXX-10
JFW Model #: 50FHC-XXX-10
Impedance: 50 Ohm
Attenuation Values:
1-30 dB (DC-4 GHz)
31-60 dB (DC-3 GHz)
RF Input Power: 10 Watts
Heatsink Style: Round
RF Connectors: BNC, N, RP-TNC, SMA, TNC, 4.1/9.5, 4.3/10, 7/16
Documentation: Data Sheet | DrawingIf Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
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10 Watt Fixed Attenuator DC-18 GHz | 50HFFA-XXX-10/18
JFW Model #: 50HFFA-XXX-10/18
Impedance: 50 Ohm
Frequency Range: DC-18 GHz
RF Input Power: 10 Watts
Attenuation Values: 1-30 dB
Heatsink Style: Round
RF Connectors: N or SMA
Documentation: N data sheet | N drawing | SMA data sheet | SMA drawing -
10 Watt Fixed Attenuator DC-26.5 GHz | 50HFFA-XXX-10/26
JFW Model #: 50HFFA-XXX-10/26
Type: Fixed Attenuator
Impedance: 50 Ohm
Frequency Range: DC-26.5 GHz
RF Input Power: 10 Watts
Attenuation Values: 1-30 dB
Heatsink Style: Round
RF Connectors: SMA male/female
Documentation: data sheet | drawing -
10 Watt Fixed Attenuator DC-2GHz | 50FH-xxx-10
JFW Model #: 50FH-XXX-10
Impedance: 50 Ohms
Frequency Start: 0 MHz (DC)
Frequency Stop: 2000 MHz
RF Input Power: 10 Watts
Attenuation Values: 1-20 dB (DC-2 GHz) 21-30 dB (DC-1 GHz)
Heatsink Style: Round
RF Connectors: BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16
Documentation: Data Sheet | DrawingIf Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
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10 Watt Fixed Attenuator DC-40 GHz | 50HFFB-XXX-10/40
JFW Model #: 50HFFB-XXX-10/40
Impedance: 50 Ohm
Frequency Range: DC-40 GHz
RF Input Power: 10 Watts
Attenuation Values: 1-10, 20, 30 dB
Heatsink Style: Round
RF Connectors: 2.92 mmDocumentation:
Data Sheet
Drawing (2.92mm Male/Female)
Drawing (2.92mm Male/Male) -
10 Watt Fixed Attenuator DC-6GHz | 50FHC-XXX-10-6
JFW Model #: 50FHC-XXX-10-6
Impedance: 50 Ohm
Frequency Range: DC-6 GHz
RF Input Power: 10 Watts
Attenuation Values: 1-50 dB
Heatsink Style: Round
RF Connectors: 4.1/9.5, 4.3/10, N, SMA, TNC, Other
Documentation: Data Sheet | DrawingIf Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
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15 Watt Fixed Attenuator | 50FHC-XXX-15
JFW Model #: 50FHC-XXX-15
Impedance: 50 Ohm
Attenuation Values:
1-30 dB (DC-4 GHz)
31-60 dB (DC-3 GHz)
RF Input Power: 15 Watts
Heatsink Style: Round
RF Connectors: BNC, N, RP-TNC, SMA, TNC, 4.1/9.5, 4.3/10, 7/16
Documentation: Data Sheet | DrawingIf Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
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20 Watt Fixed Attenuator | 50FHC-XXX-20
JFW Model #: 50FHC-XXX-20
Impedance: 50 Ohm
Attenuation Values:
1-30 dB (DC-4 GHz)
31-60 dB (DC-3 GHz)
RF Input Power: 20 Watts
Heatsink Style: Round
RF Connectors: BNC, N, RP-TNC, SMA, TNC, 4.1/9.5, 4.3/10, 7/16
Documentation: Data Sheet | DrawingIf Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
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20 Watt Fixed Attenuator DC-18 GHz | 50HFFA-XXX-20/18
JFW Model #: 50HFFA-XXX-20/18
Impedance: 50 Ohm
Frequency Range: DC-18 GHz
RF Input Power: 20 Watts
Attenuation Values: 1-40 dB
Heatsink Style: Round
RF Connectors: N or SMA
Documentation: Data Sheet | Drawing (N) | Drawing (SMA) -
25 Watt Fixed Attenuator | 50FHC-XXX-25
JFW Model #: 50FHC-XXX-25
Impedance: 50 Ohm
Attenuation Values:
1-30 dB (DC-4 GHz)
31-60 dB (DC-3 GHz)
RF Input Power: 25 Watts
Heatsink Style: Round
RF Connectors: BNC, N, RP-TNC, SMA, TNC, 4.1/9.5, 4.3/10, 7/16
Documentation: Data Sheet | DrawingIf Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
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25 Watt Fixed Attenuator DC-18 GHz | 50HFFA-XXX-25/18
JFW Model #: 50HFFA-XXX-25/18
Impedance: 50 Ohm
Frequency Range: DC-18 GHz
RF Input Power: 25 Watts
Attenuation Values: 1-40 dB
Heatsink Style: Round
RF Connectors: N or SMA
Documentation: Data Sheet | Drawing (N) | Drawing (SMA) -
25 Watt Fixed Attenuator DC-6GHz | 50FHC-XXX-25-6
JFW Model #: 50FHC-XXX-25-6
Impedance: 50 Ohm
Frequency Range: DC-6 GHz
RF Input Power: 25 Watts
Attenuation Values: 1-50 dB
Heatsink Style: Round
RF Connectors: 4.1/9.5, 4.3/10, 7/16, N, SMA, TNC, Other
Documentation: Data Sheet | DrawingIf Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
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30 Watt Fixed Attenuator DC-18 GHz | 50HFFA-XXX-30/18
JFW Model #: 50HFFA-XXX-30/18
Impedance: 50 Ohm
Frequency Range: DC-18 GHz
RF Input Power: 30 Watts
Attenuation Values: 1-40 dB
Heatsink Style: Round
RF Connectors: N or SMA
Documentation: Data Sheet | Drawing (N) | Drawing (SMA) -
30 Watt Fixed Attenuator DC-2GHz | 50FH-XXX-30
JFW Model #: 50FH-XXX-30
Impedance: 50 Ohm
Frequency Range: DC-2000 MHz
RF Input Power: 30 Watts
Attenuation Values: 1-50 dB
Heatsink Style: Square
RF Connectors: BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16
Documentation: Data Sheet | DrawingIf Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
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30 Watt Fixed Attenuator DC-3GHz | 50FH-XXX-30-3
JFW Model #: 50FH-XXX-30-3
Impedance: 50 Ohm
Frequency Range: DC-3000 MHz
RF Input Power: 30 Watts
Attenuation Values: 1-50 dB
Heatsink Style: Square
RF Connectors: BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16
Documentation: Data Sheet | DrawingIf Connector Type is Other, please specify in REMARKS field of the Request a Quote form.