RF Attenuators

RF attenuators act as resistors and are used to reduce the level of a signal within radio frequency applications and RF circuits. They have many benefits, including protecting a circuit stage from receiving a current that's too high. RF attenuators can also improve impedance match, ensuring power transfer from source to load is optimised.



Types of RF attenuators



RF attenuators come in three types:



  • Fixed RF attenuators provide an unchanging value where specific attenuation levels are needed.

  • Switched RF attenuators are made up of switches that allow varying levels of attenuation.

  • Variable RF attenuators are used when it's necessary to continuously change the level of a signal.


Choosing the right RF attenuators



To select the right RF attenuator a number of specifications need to be considered, such as attenuation, frequency and impedance. Attenuation is measured in decibels (dB) and depending on the type of attenuation you need this will either be fixed or within a range. RF attenuators are designed for devices with a certain impedance and it's important to match the impedance of the attenuator to the circuit where it will be used.


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Description Price Interface Type Attenuation Body Orientation Impedance Operating Frequency Body Plating Cable Type Contact Plating Contact Material Low Power Connector Type Gender A Gender B
RS Stock No. 285-9539
Mfr. Part No.R411803124
BrandRadiall
kr 265,81
Each
Units
SMA Plug to Socket 3dB Straight 50Ω 6GHz - - Nickel Brass - SMA Male Socket
RS Stock No. 716-5101
Mfr. Part No.6820.17.B
kr 2 197,09
Each
Units
N Plug to N Socket 1 dB, 20 dB - 50Ω 18GHz - - - - Yes N - -
RS Stock No. 886-3256
Mfr. Part No.FLN3G
kr 16,022
Each (In a Pack of 10)
Units
F Plug to F Socket - Straight - 1GHz - - Nickel - - F Plug Socket
RS Stock No. 285-9602
Mfr. Part No.R411810121
BrandRadiall
kr 628,01
Each
Units
SMA Plug to Socket 10 dB Straight 50Ω DC to 18GHz Nickel Coaxial Gold Beryllium Copper - SMA Male Female
RS Stock No. 285-9725
Mfr. Part No.R414703000
BrandRadiall
kr 973,20
Each
Units
N Plug to N Socket 0.7 dB, 3 dB - 50Ω DC → 12.4GHz - - - - - N - -
RS Stock No. 885-8416
Mfr. Part No.27-9300-20
kr 69,99
Each
Units
BNC Plug to BNC Socket 20dB Straight 50Ω 0 → 2GHz Nickel - Gold Brass - BNC Plug Socket
RS Stock No. 195-3012
Mfr. Part No.J01006A0836
kr 262,19
Each
Units
BNC Plug to BNC Socket 10dB Straight 50Ω 0 → 1GHz - - - - - BNC Plug Socket
RS Stock No. 712-3333
Mfr. Part No.J01156A0041
kr 1 210,07
Each
Units
SMA Plug to Socket 20dB - 50Ω 10GHz - - - - - SMA - -
RS Stock No. 716-5084
Mfr. Part No.6610_SMA-50-2/199_NE
kr 748,28
Each
Units
SMA Plug to Socket 10dB - 50Ω DC to 6GHz - - - - Yes SMA - -
RS Stock No. 285-9551
Mfr. Part No.R411810124
BrandRadiall
kr 282,22
Each
Units
SMA Plug to Socket 10dB Straight 50Ω 6GHz - - Nickel Brass - SMA Male Socket
RS Stock No. 716-5078
Mfr. Part No.6806.17.A
kr 951,06
Each
Units
N Plug to N Socket 0.5 dB, 6 dB - 50Ω 12.4GHz - - - - Yes N - -
RS Stock No. 716-5113
Mfr. Part No.6620_SMA-50-2/199_NE
kr 740,67
Each
Units
SMA Plug to Socket 20dB - 50Ω DC to 6GHz - - - - Yes SMA - -
RS Stock No. 716-5123
Mfr. Part No.6830.17.A
kr 1 071,59
Each
Units
N Plug to N Socket 1 dB, 30 dB - 50Ω 12.4GHz - - - - Yes N - -
RS Stock No. 712-3103
Mfr. Part No.J01026A0007
kr 751,14
Each
Units
N Plug to N Socket 10dB - 50Ω 1GHz - - - - - N - -
RS Stock No. 285-9567
Mfr. Part No.R411820124
BrandRadiall
kr 391,81
Each
Units
SMA Plug to Socket 20dB Straight 50Ω 6GHz - - Nickel Brass - SMA Male Socket
RS Stock No. 285-9595
Mfr. Part No.R411806121
BrandRadiall
kr 419,70
Each
Units
SMA Plug to Socket 0.8 dB, 6 dB - 50Ω DC → 18GHz - - - - - SMA - -
RS Stock No. 395-0453
Mfr. Part No.J01006A0837
kr 271,66
Each
Units
BNC Plug to BNC Socket 20dB Straight 50Ω 0 → 1GHz - - - - - BNC Plug Socket
RS Stock No. 716-5104
Mfr. Part No.6830.01.A
kr 1 501,78
Each
Units
BNC Plug to BNC Socket 1 dB, 30 dB - 50Ω 4GHz - - - - Yes BNC - -
RS Stock No. 712-3006
Mfr. Part No.J01016A0005
kr 801,89
Each
Units
TNC Plug to TNC Socket 6dB - 50 Ω, 75 Ω 10GHz - - - - - TNC - -
RS Stock No. 494-874
Mfr. Part No.6803_N-50-1/1--_NE
kr 712,08
Each
Units
N Plug to N Socket 0.3 dB, 3 dB - 50Ω DC to 6GHz - - - - Yes N - -
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