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 Termination Method
RS Stock No. 716-5006
Mfr. Part No.6506.17.A
HK$1,294.67
Each
units
N Male Straight - 50Ω - - 0 → 12.4GHz 6W - Beryllium Copper Gold -
RS Stock No. 112-3671
Mfr. Part No.80.5420.027
BrandIMS
HK$63.50
Each
units
- - Right Angle PCB Mount - - - - - - - - -
RS Stock No. 700-9316
Mfr. Part No.B1004A1-ND3G-75R-0.01-1W
BrandAmphenol
HK$36.20
Each
units
BNC Male Straight - 75Ω Nickel over Copper - - - - Brass Gold over Nickel -
RS Stock No. 193-8669
Mfr. Part No.J01152A00
HK$119.59
Each
units
SMA Male Straight - 50Ω - - 0 → 6GHz 1W - Beryllium Copper, Copper Zinc Lead Alloy White Bronze -
RS Stock No. 131-246
Mfr. Part No.996074
BrandDomocare
HK$63.52
Each
units
BNC Male Straight - 50Ω - - - 1W - Brass Gold -
RS Stock No. 712-3113
Mfr. Part No.J01026A0011
HK$982.67
Each
units
N Male Straight - 50Ω Copper Nickel Alloy, White Bronze - 0 → 18GHz 10W - Copper, Lead, Nickel Alloy Copper, Silver Alloy -
RS Stock No. 112-3851
Mfr. Part No.J01006A0003
HK$92.16
Each
units
BNC - - - - - - - - - - - -
RS Stock No. 184-6533
Mfr. Part No.UM-LR-PC(40)
BrandHirose
HK$137.03
Each
units
- - - - - - - - - - - - -
RS Stock No. 112-3154
Mfr. Part No.J01006A1269
HK$40.66
Each
units
BNC Male Straight - 75Ω - - - 0.5W - - - -
RS Stock No. 713-0899
Mfr. Part No.226176-4
HK$20.68
Each (In a Pack of 5)
units
- - - PCB Mount - - - - - - Brass - -
RS Stock No. 716-4987
Mfr. Part No.6500.19.A
HK$612.00
Each
units
SMA Male Straight - 50Ω White Bronze - 18GHz 0.75W - Beryllium Copper Gold -
RS Stock No. 700-9641
Mfr. Part No.TMN0111T1-3G-14
BrandAmphenol
HK$14.40
Each
units
- - Straight PCB Mount - Gold RG178 B/U, RG196 A/U - - - - - -
RS Stock No. 716-4984
Mfr. Part No.65_BNC-50-0-7/133_NE
HK$158.04
Each
units
BNC Male Straight - 50Ω White Bronze - 0 → 1GHz 1W - Brass Gold over Nickel -
RS Stock No. 738-7543
Mfr. Part No.H01000A0207
HK$51.50
Each
units
Cable Female Right Angle PCB Mount - - RG174/U, RG188 A/U, RG316/U 0 → 4GHz - - Brass Gold -
RS Stock No. 494-795
Mfr. Part No.65_N-50-0-1/133_NE
HK$373.99
Each
units
N Male Straight - 50Ω White Bronze - 0 → 4GHz 1W Yes Brass Gold over Nickel -
RS Stock No. 700-9647
Mfr. Part No.TMN0111B2-3G-05
BrandAmphenol
HK$24.10
Each
units
- - Straight PCB Mount - Gold over Nickel RG174/U, RG188 A/U, RG316/U - - - Copper Gold over Nickel Solder
RS Stock No. 394-1077
Mfr. Part No.1-1337463-0
HK$43.36
Each
units
BNC Male Straight - 50Ω - - 0 → 1GHz 0.5W - - - -
RS Stock No. 821-2567
Mfr. Part No.221629-1
HK$125.64
Each
units
BNC Male Straight - 50Ω - - - - - Brass Gold -
RS Stock No. 263-2716
Mfr. Part No.R404101000W
BrandRadiall
HK$36.89
Each
units
SMA Male Straight - 50Ω - - 0 → 4GHz 1W - - - -
RS Stock No. 773-7490
Mfr. Part No.APH-HDBNCJ-T
BrandAmphenol
HK$167.95
Each
units
BNC Female Straight - 75Ω - - 3GHz 1W - Beryllium Copper Gold -
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