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 doesn’t 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
RS Stock No. 296-7955
Mfr. Part No.R404111000
BrandRadiall
kr 102,35
Each
Units
BNC Male Straight - 50Ω Nickel - 4GHz 1W - Brass Gold over Nickel
RS Stock No. 124-9149
Mfr. Part No.J01006A1373
kr 68,71
Each
Units
BNC Male Straight - 93Ω - - 0 → 600MHz 0.5W - Brass -
RS Stock No. 886-0403
Mfr. Part No.26-8023
kr 59,33
Each
Units
N Male Straight - 50Ω Nickel - 0 → 11GHz - - Brass Nickel
RS Stock No. 112-3851
Mfr. Part No.J01006A0003
kr 85,34
Each
Units
BNC - - - - - - - - - - -
RS Stock No. 546-4689
BrandRS PRO
kr 34,14
Each
Units
BNC Male Straight - 75Ω Silver - 0 → 1GHz 0.5W - Brass Gold
RS Stock No. 738-7543
Mfr. Part No.H01000A0207
kr 64,79
Each
Units
Cable Female Right Angle PCB Mount - - RG174/U, RG188 A/U, RG316/U 0 → 4GHz - - Brass Gold
RS Stock No. 712-3286
Mfr. Part No.J01152B0011
kr 252,22
Each
Units
SMA Male Straight - 50Ω Copper Nickel Gold Alloy - 0 → 18GHz 1W - Brass, Lead Alloy Copper, Gold Alloy, Nickel
RS Stock No. 716-5012
Mfr. Part No.6550.17.AA
kr 2 463,38
Each
Units
N Male Straight - 50Ω Anodized - 0 → 5GHz 25W - Brass Gold
RS Stock No. 263-2750
Mfr. Part No.R404131000W
BrandRadiall
kr 115,55
Each
Units
- Male Straight - 50Ω Nickel - 0 → 4GHz - - Brass Gold over Nickel
RS Stock No. 494-739
Mfr. Part No.65_SMA-50-0-1/111_NE
kr 315,81
Each
Units
SMA Male Straight - 50Ω Gold over Nickel - 0 → 18GHz 1W Yes Brass Gold over Nickel
RS Stock No. 179-2541
Mfr. Part No.R4041D2121
BrandRadiall
kr 591,11
Each
Units
- Male Straight - 50Ω Nickel - 4GHz 2W - Beryllium Copper Gold over Nickel
RS Stock No. 405-146
Mfr. Part No.221629-4
kr 130,78
Each
Units
BNC Male Straight Cable Mount 50Ω - - - 1W - Brass Gold
RS Stock No. 131-246
Mfr. Part No.996074
BrandDomocare
kr 45,46
Each
Units
BNC Male Straight - 50Ω - - - 1W - Brass Gold
RS Stock No. 716-5056
Mfr. Part No.65_QLA-01-0-1/122_NE
kr 402,49
Each
Units
QLA Male Straight - - Nickel - 0 → 1.4GHz 0.5W - Brass Gold over Nickel
RS Stock No. 820-7791
Mfr. Part No.1-5221629-6
kr 124,16
Each
Units
BNC Male Straight - 50Ω - - - 1W - Brass Gold
RS Stock No. 494-795
Mfr. Part No.65_N-50-0-1/133_NE
kr 504,76
Each
Units
N Male Straight - 50Ω White Bronze - 0 → 4GHz 1W Yes Brass Gold over Nickel
RS Stock No. 161-6049
Mfr. Part No.1-1337463-0
kr 44,694
Each (In a Bag of 50)
Units
BNC Male Straight - 50Ω - - 0 → 1GHz 0.5W - - -
RS Stock No. 846-6691
Mfr. Part No.1-1337463-0
kr 54,14
Each
Units
BNC Male Straight - 50Ω Silver - 0 → 1GHz 0.5W - Brass (Center Contact) Silver (Center Contact)
RS Stock No. 125-0325
Mfr. Part No.R404759000
BrandRadiall
kr 2 097,89
Each
Units
Coaxial Female Straight - 50Ω Nickel - DC-6GHz 30W Yes Beryllium Copper Gold over Nickel
RS Stock No. 112-3148
Mfr. Part No.J01006A1268
kr 40,12
Each
Units
BNC Male Straight - 50Ω - - - 0.5W - - -