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. 716-5081
Mfr. Part No.6606_SMA-50-2/199_NE
HK$668.90
Each
units
SMA Plug to Socket 6dB - 50Ω DC to 6GHz - - - - Yes SMA - -
RS Stock No. 712-3006
Mfr. Part No.J01016A0005
HK$814.30
Each
units
TNC Plug to TNC Socket 6dB - 50 Ω, 75 Ω 10GHz - - - - - TNC - -
RS Stock No. 285-9545
Mfr. Part No.R411806124
BrandRadiall
HK$310.13
Each
units
SMA Plug to Socket 6dB Straight 50Ω 6GHz - - Nickel Brass - SMA Male Socket
RS Stock No. 176-7266
Mfr. Part No.AT-120V
BrandHirose
HK$390.32
Each
units
- 20dB Straight 50Ω 18GHz - - Gold Beryllium Copper - SMA Male Female
RS Stock No. 712-2942
Mfr. Part No.J01006A0024
HK$1,048.59
Each
units
BNC Plug to BNC Socket 10dB - 50 Ω, 75 Ω 6GHz - - - - - BNC - -
RS Stock No. 716-5088
Mfr. Part No.6601_SMA-50-1/199_NE
HK$844.35
Each
units
SMA Plug to Socket 1dB - 50Ω DC to 18GHz - - - - Yes SMA - -
RS Stock No. 494-913
Mfr. Part No.6803.19.A
HK$1,177.71
Each
units
SMA Plug to Socket 3dB - 50Ω DC to 18GHz - - - - Yes SMA - -
RS Stock No. 285-9753
Mfr. Part No.R414720000
BrandRadiall
HK$718.78
Each
units
N Plug to N Socket 20dB Straight 50Ω 12.4GHz - - Nickel Beryllium Copper - N Female Male
RS Stock No. 716-5066
Mfr. Part No.6620_SMA-50-1/199_NE
HK$853.34
Each
units
SMA Plug to Socket 20dB - 50Ω DC to 18GHz - - - - Yes SMA - -
RS Stock No. 179-2544
Mfr. Part No.R415620000
BrandRadiall
HK$1,278.80
Each
units
Coaxial 20dB Straight 50Ω 6GHz Nickel - Gold over Nickel Beryllium Copper Yes Coaxial Male Female
RS Stock No. 179-2543
Mfr. Part No.R415606000
BrandRadiall
HK$1,449.42
Each
units
Coaxial 6dB Straight 50Ω 6GHz Nickel - Gold over Nickel Beryllium Copper Yes Coaxial Male Female
RS Stock No. 176-7264
Mfr. Part No.AT-130V
BrandHirose
HK$413.29
Each
units
- 30dB Straight 50Ω 18GHz - - Gold Beryllium Copper - SMA Male Female
RS Stock No. 716-5062
Mfr. Part No.6606_SMA-50-1/199_NE
HK$919.01
Each
units
SMA Plug to Socket 6dB - 50Ω DC to 18GHz - - - - Yes SMA - -
RS Stock No. 2552568170
Mfr. Part No.2701358 (1)
HK$1,912.00
Each
units
- - - - - - - - - - - - -
RS Stock No. 2552568247
Mfr. Part No.2701362 (1)
HK$854.00
Each
units
- - - - - - - - - - - - -
RS Stock No. 2552570973
Mfr. Part No.2867801 (1)
HK$3,376.00
Each
units
- - - - - - - - - - - - -
RS Stock No. 2552568054
Mfr. Part No.2904801 (1)
HK$1,383.00
Each
units
- - - - - - - - - - - - -
RS Stock No. 2552567869
Mfr. Part No.2867199 (1)
HK$3,742.00
Each
units
- - - - - - - - - - - - -
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