50 Ohm Fixed Attenuators
(75 to 1000 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.
JFW Model # | Impedance | Frequency Range | RF Input Power | Attenuation Values | Heatsink Style | RF Connectors |
---|---|---|---|---|---|---|
50FH-XXX-100 | 50 Ohm | DC-1 GHz | 100 Watt | 1-50 dB | Square | BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FH-XXX-100-2 | 50 Ohm | DC-2 GHz | 100 Watt | 1-50 dB | Square | BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FH-XXX-100-3 | 50 Ohm | DC-3 GHz | 100 Watt | 1-50 dB | Square | BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FH-XXX-80-3 | 50 Ohm | DC-3 GHz | 80 Watt | 1-50 dB | Square | BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FHAO-XXX-100 | 50 Ohm | DC-3 GHz | 100 Watt | 1-50 dB | Round | BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FHAO-XXX-100-4 | 50 Ohm | DC-4 GHz | 100 Watt | 20, 30, 40 dB | Round | N, 4.3/10 |
50FHAO-XXX-150 | 50 Ohm | DC-3 GHz | 150 Watt | 1-50 dB | Round | BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FHAO-XXX-200 | 50 Ohm | DC-3 GHz | 200 Watt | 1-50 dB | Round | BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FHAO-XXX-200-4 | 50 Ohm | DC-4 GHz | 200 Watt | 30, 40 dB | Round | N, SMA, TNC, 4.3/10 |
50FHAO-XXX-75 | 50 Ohm | DC-3 GHz | 75 Watt | 1-50 dB | Square | BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16 |
50FHDQ-XXX-500 | 50 Ohm | DC-1 GHz | 500 Watt uni-directional | 3-40 dB | Square | N, TNC, 7/16 |
50FHDQ-XXX-500-3 | 50 Ohm | DC-3 GHz | 500 Watt uni-directional | 6, 10, 20, 25, 30, 40 dB | Square | N, TNC |
50FHIE-XXX-1000 | 50 Ohm | DC-3 GHz | 1000 Watt uni-directional | 20, 30, 40 dB | Square | N, 7/16 |
50FHIQ-XXX-1000 | 50 Ohm | DC-1 GHz | 1000 Watt uni-directional | 6, 10, 20, 30, 40 dB | Square | N, TNC, 7/16 |
50FHLB-XXX-100 | 50 Ohm | DC-3 GHz | 100 Watt uni-directional | 10, 20, 30 dB | Round | N, 4.3/10, 7/16 |
50FHDQ-XXX-300 | 50 Ohm | DC-1 GHz | 300 Watt uni-directional | 3-40 dB | Square | N, TNC, 7/16 |
50FHDQ-XXX-300-3 | 50 Ohm | DC-3 GHz | 300 Watt uni-directional | 6, 10, 20, 25, 30, 40 dB | Square | N, TNC |
50HFFE-XXX-100/8 | 50 Ohm | DC-8.4 GHz | 100 Watt uni-directional | 6-40 dB | Square | N |
50HFFE-XXX-100/6 | 50 Ohm | DC-6 GHz | 100 Watt uni-directional | 3-40 dB | Square | N, SMA |
50HFFE-XXX-100/12 | 50 Ohm | DC-12.4 GHz | 100 Watt uni-directional | 6-40 dB | Square | N |
50HFFE-XXX-100/18 | 50 Ohm | DC-18 GHz | 100 Watt uni-directional | 6-40 dB | Square | N |
- Display 30 Products per page
-
100 Watt Fixed Attenuator DC-12.4 GHz | 50HFFE-XXX-100/12
JFW Model #: 50HFFE-XXX-100/12
Impedance: 50 Ohm
Frequency Range: DC-12.4 GHz
RF Input Power: 100 Watts
Attenuation Values: 6, 10, 20, 30 or 40 dB
Heatsink Style: Square
RF Connectors: N
Documentation: Data Sheet | Drawing without Brackets | Drawing with Brackets -
100 Watt Fixed Attenuator DC-18 GHz | 50HFFE-XXX-100/18
JFW Model #: 50HFFE-XXX-100/18
Impedance: 50 Ohm
Frequency Range: DC-18 GHz
RF Input Power: 100 Watts
Attenuation Values: 6, 10, 20, 30 or 40 dB
Heatsink Style: Square
RF Connectors: N
Documentation: Data Sheet | Drawing without Brackets | Drawing with Brackets -
100 Watt Fixed Attenuator DC-1GHz | 50FH-XXX-100
JFW Model #: 50FH-XXX-100
Impedance: 50 Ohm
Frequency Range: DC-1000 MHz
RF Input Power: 100 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.
-
100 Watt Fixed Attenuator DC-2GHz | 50FH-XXX-100-2
JFW Model #: 50FH-XXX-100-2
Impedance: 50 Ohm
Frequency Range: DC-2000 MHz
RF Input Power: 100 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.
-
100 Watt Fixed Attenuator DC-3GHz | 50FH-XXX-100-3
JFW Model #: 50FH-XXX-100-3
Impedance: 50 Ohm
Frequency Range: DC-3000 MHz
RF Input Power: 100 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.
-
100 Watt Fixed Attenuator DC-3GHz | 50FHAO-XXX-100
JFW Model #: 50FHAO-XXX-100
Impedance: 50 Ohm
Frequency Range: DC-3000 MHz
RF Input Power: 100 Watts
Attenuation Values: 1-50 dB
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.
-
100 Watt Fixed Attenuator DC-3GHz 2.25″ Diameter | 50FHLB-XXX-100
JFW Model #: 50FHLB-XXX-100
Impedance: 50 Ohm
Frequency Range: DC-3000 MHz
RF Input Power: 100 Watts uni-directional
Attenuation Values: 10, 20, 30 dB
Heatsink Style: Round
RF Connectors: N, 4.3/10, 7/16
Documentation: Data Sheet | Drawing -
100 Watt Fixed Attenuator DC-4GHz | 50FHAO-XXX-100-4
JFW Model #: 50FHAO-XXX-100-4
Impedance: 50 Ohm
Frequency Range: DC-4 GHz
RF Input Power: 100 Watts
Attenuation Values: 20, 30, 40 dB
Heatsink Style: Round
RF Connectors: N or 4.3/10
Documentation: Data Sheet | Drawing -
100 Watt Fixed Attenuator DC-6 GHz | 50HFFE-XXX-100/6
JFW Model #: 50HFFE-XXX-100/6
Impedance: 50 Ohm
Frequency Range: DC-6 GHz
RF Input Power: 100 Watts
Attenuation Values: 3, 6, 10, 20, 30 or 40 dB
Heatsink Style: Square
RF Connectors: N or SMA
Documentation:
Data Sheet
Drawing (6-40dB) | Drawing (6-40dB) with Brackets
Drawing (3dB) | Drawing (3dB) with Brackets -
100 Watt Fixed Attenuator DC-8.4 GHz | 50HFFE-XXX-100/8
JFW Model #: 50HFFE-XXX-100/8
Impedance: 50 Ohm
Frequency Range: DC-8.4 GHz
RF Input Power: 100 Watts
Attenuation Values: 6, 10, 20, 30 or 40 dB
Heatsink Style: Square
RF Connectors: N
Documentation: Data Sheet | Drawing without Brackets | Drawing with Brackets -
1000 Watt Fixed Attenuator DC-1GHz | 50FHIQ-XXX-1000
JFW Model #: 50FHIQ-XXX-1000
Impedance: 50 Ohm
Frequency Range: DC-1000 MHz
RF Input Power: 1000 Watts uni-directional
Attenuation Values: 6, 10, 20, 30, 40 dB
Heatsink Style: Square
RF Connectors: N, TNC, 7/16
Documentation: Data Sheet | Drawing (N) | Drawing (TNC)If Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
-
1000 Watt Fixed Attenuator DC-3GHz | 50FHIE-XXX-1000
JFW Model #: 50FHIE-XXX-1000
Impedance: 50 Ohm
Frequency Range: DC-3000 MHz
RF Input Power: 1000 Watts uni-directional
Attenuation Values: 20, 30, 40 dB
Heatsink Style: Square
RF Connectors: N, 7/16
Documentation: Data Sheet | Drawing (N)If Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
-
150 Watt Fixed Attenuator DC-3GHz | 50FHAO-XXX-150
JFW Model #: 50FHAO-XXX-150
Impedance: 50 Ohm
Frequency Range: DC-3000 MHz
RF Input Power: 150 Watts
Attenuation Values: 1-50 dB
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.
-
200 Watt Fixed Attenuator DC-3GHz | 50FHAO-XXX-200
JFW Model #: 50FHAO-XXX-200
Impedance: 50 Ohm
Frequency Range: DC-3000 MHz
RF Input Power: 200 Watts
Attenuation Values: 1-50 dB
Heatsink Style: Round
RF Connectors: BNC, N, SMA, TNC, 4.1/9.5, 4.3/10, 7/16
Documentation: Data Sheet | Drawing | Optional BracketsIf Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
-
200 Watt Fixed Attenuator DC-4GHz | 50FHAO-XXX-200-4
JFW Model #: 50FHAO-XXX-200-4
Impedance: 50 Ohm
Frequency Range: DC-4 GHz
RF Input Power: 200 Watts
Attenuation Values: 30, 40 dB
Heatsink Style: Round
RF Connectors: N, SMA, TNC, 4.3/10
Documentation: Data Sheet | Drawing -
300 Watt Fixed Attenuator DC-1 GHz | 50FHDQ-XXX-300
JFW Model #: 50FHDQ-XXX-300
Impedance: 50 Ohm
Frequency Range: DC-1 GHz
RF Input Power: 300 Watts uni-directional
Attenuation Values: 3-40 dB
Heatsink Style: Square
RF Connectors: N, TNC or 7/16
Documentation: Data Sheet | DrawingIf Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
-
300 Watt Fixed Attenuator DC-3 GHz | 50FHDQ-XXX-300-3
JFW Model #: 50FHDQ-XXX-300-3
Impedance: 50 Ohm
Frequency Range: DC-3 GHz
RF Input Power: 300 Watts uni-directional
Attenuation Values: 6, 10, 20, 25, 30, 40 dB
Heatsink Style: Square
RF Connectors: N or TNC (male or female)
Documentation: Data Sheet | DrawingIf Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
-
500 Watt Fixed Attenuator DC-1GHz | 50FHDQ-XXX-500
JFW Model #: 50FHDQ-XXX-500
Impedance: 50 Ohm
Frequency Range: DC-1000 MHz
RF Input Power: 500 Watts uni-directional
Attenuation Values: 3-40 dB
Heatsink Style: Square
RF Connectors: N, TNC, 7/16
Documentation: Data Sheet | DrawingIf Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
-
500 Watt Fixed Attenuator DC-3GHz | 50FHDQ-XXX-500-3
JFW Model #: 50FHDQ-XXX-500-3
Impedance: 50 Ohm
Frequency Range: DC-3000 MHz
RF Input Power: 500 Watts uni-directional
Attenuation Values: 6, 10, 20, 25, 30, 40 dB
Heatsink Style: Square
RF Connectors: N or TNC
Documentation: Data Sheet | DrawingIf Connector Type is Other, please specify in REMARKS field of the Request a Quote form.
-
75 Watt Fixed Attenuator DC-3GHz | 50FHAO-XXX-75
JFW Model #: 50FH-XXX-75
Impedance: 50 Ohm
Frequency Range: DC-3000 MHz
RF Input Power: 75 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.
-
80 Watt Fixed Attenuator DC-3GHz | 50FH-XXX-80-3
JFW Model #: 50FH-XXX-80-3
Impedance: 50 Ohm
Frequency Range: DC-3000 MHz
RF Input Power: 80 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.