RF Terminators

RF terminators are devices used to electrically terminate coaxial RF (radio frequency) ports. They are usually placed at the end of the transmission line to prevent an RF signal from being reflected.

RF terminators are designed to match the surge impedance (ratio of current and voltage) of the cable to help minimise signal reflections and power losses. Unused tap ports or coaxial faceplates in a home, for example, can create entry and exit paths, which affect performance.

How do RF terminators work?

RF terminators absorb the electrical energy of the signal as it reaches the cable ends and prevents the signal from being reflected so it doesnt become noise. They ensure that current flows smoothly from one device to another.

What are RF terminators used for?

RF terminators play a critical role in high-frequency systems and circuits, especially when managing high-power signals. They can also be used to close open terminations that might otherwise allow parasitic signals to enter the circuit, such as at a T-junction.

RF terminators are available in many form factors with power ratings to match their sizes.


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Description Price Interface Type Gender Body Orientation Mounting Type Impedance Body Plating Cable Type Operating Frequency Average Power Rating Low Power Contact Material Contact Plating Termination Method
RS stock no. 263-2766
Mfr. Part No.R404240000
BrandRadiall
R 1,024.83
Each
units
N Male Straight - 50Ω - - 0 → 12.4GHz 1W - - - -
RS stock no. 546-4128
BrandRS PRO
R 31.29
Each
units
BNC Male Straight - 50Ω - - 1GHz 0.5W - Brass Gold -
RS stock no. 263-2716
Mfr. Part No.R404101000W
BrandRadiall
R 61.80
Each
units
SMA Male Straight - 50Ω - - 0 → 4GHz 1W - - - -
RS stock no. 112-3851
Mfr. Part No.J01006A0003
R 201.15
Each
units
BNC - - - - - - - - - - - -
RS stock no. 296-7955
Mfr. Part No.R404111000
BrandRadiall
R 173.97
Each
units
BNC Male Straight - 50Ω Nickel - 4GHz 1W - Brass Gold over Nickel -
RS stock no. 458-8560
Mfr. Part No.J01026A0012
R 473.55
Each
units
N Male Straight - 50Ω - - 6GHz 1W - - - -
RS stock no. 712-3119
Mfr. Part No.J01026A0010
R 1,589.39
Each
units
N Male Straight - 50Ω Copper Nickel Alloy, White Bronze - 0 → 18GHz 2W - Copper, Lead, Nickel Alloy Copper, Silver Alloy -
RS stock no. 546-4695
BrandRS PRO
R 204.64
Each
units
BNC Female, Male Straight Through Hole 50Ω Silver - 0 → 0.5GHz 2W - Brass Gold -
RS stock no. 494-739
Mfr. Part No.65_SMA-50-0-1/111_NE
R 505.32
Each
units
SMA Male Straight - 50Ω Gold over Nickel - 0 → 18GHz 1W Yes Brass Gold over Nickel -
RS stock no. 263-2750
Mfr. Part No.R404131000W
BrandRadiall
R 187.75
Each
units
- Male Straight - 50Ω Nickel - 0 → 4GHz - - Brass Gold over Nickel -
RS stock no. 494-795
Mfr. Part No.65_N-50-0-1/133_NE
R 812.78
Each
units
N Male Straight - 50Ω White Bronze - 0 → 4GHz 1W Yes Brass Gold over Nickel -
RS stock no. 820-7791
Mfr. Part No.1-5221629-6
R 207.85
Each
units
BNC Male Straight - 50Ω - - - 1W - Brass Gold -
RS stock no. 846-6691
Mfr. Part No.1-1337463-0
R 81.84
Each
units
BNC Male Straight - 50Ω Silver - 0 → 1GHz 0.5W - Brass (Center Contact) Silver (Center Contact) -
RS stock no. 144-0920
Mfr. Part No.132360
BrandAmphenol
R 44.58
Each
units
SMA Male Straight - 50Ω Gold - 0 → 18GHz 2W - Brass Gold -
RS stock no. 161-6049
Mfr. Part No.1-1337463-0
R 67.774
Each (In a Bag of 50)
units
BNC Male Straight - 50Ω - - 0 → 1GHz 0.5W - - - -
RS stock no. 716-5019
Mfr. Part No.65_N-50-0-51/113_NE
R 297.20
Each
units
N Male Straight - 50Ω White Bronze - 0 → 6GHz 1W - Brass White Bronze -
RS stock no. 716-5040
Mfr. Part No.6550.41.AB
R 2,949.64
Each
units
7/16 Male Straight - 50Ω Anodized - 0 → 2GHz 25W - Brass Silver -
RS stock no. 716-5006
Mfr. Part No.6506.17.A
R 2,577.55
Each
units
N Male Straight - 50Ω - - 0 → 12.4GHz 6W - Beryllium Copper Gold -
RS stock no. 124-9149
Mfr. Part No.J01006A1373
R 179.48
Each
units
BNC Male Straight - 93Ω - - 0 → 600MHz 0.5W - Brass - -
RS stock no. 112-3665
Mfr. Part No.80.5420.017
BrandIMS
R 111.35
Each
units
- - Right Angle PCB Mount - - - - - - - - -