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. 700-9650
Mfr. Part No.TMN0112U1-3G-05
BrandAmphenol
HK$22.55
Each
units
- - Right Angle PCB Mount - Gold over Nickel RG174/U, RG188 A/U, RG316/U - - - Copper Gold over Nickel -
RS Stock No. 112-3154
Mfr. Part No.J01006A1269
HK$40.66
Each
units
BNC Male Straight - 75Ω - - - 0.5W - - - -
RS Stock No. 161-6049
Mfr. Part No.1-1337463-0
HK$21.561
Each (In a Bag of 50)
units
BNC Male Straight - 50Ω - - 0 → 1GHz 0.5W - - - -
RS Stock No. 712-3119
Mfr. Part No.J01026A0010
HK$720.28
Each
units
N Male Straight - 50Ω Copper Nickel Alloy, White Bronze - 0 → 18GHz 2W - 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. 170-2500
Mfr. Part No.B1004A1-ND3G-75R-0.01-1W
BrandAmphenol
HK$24.13
Each (In a Bag of 100)
units
BNC Male Straight - 75Ω Nickel over Copper - - - - Brass Gold over Nickel -
RS Stock No. 125-0470
Mfr. Part No.J01006A0001
HK$32.63
Each
units
BNC Male Straight - 75Ω - - - 0.5W - - - -
RS Stock No. 886-0403
Mfr. Part No.26-8023
HK$41.51
Each
units
N Male Straight - 50Ω Nickel - 0 → 11GHz - - Brass Nickel -
RS Stock No. 716-5022
Mfr. Part No.6560.41.AA
HK$2,824.07
Each
units
7/16 Male Straight - 50Ω Anodized - 0 → 5GHz 60W - Brass Silver -
RS Stock No. 2508604666
Mfr. Part No.CBN-5175
HK$17.08
Each
units
- - - - - - - - - - - - -
RS Stock No. 2509270983
Mfr. Part No.132361
BrandAmphenol
HK$57.78
Each
units
- - - - - - - - - - - - -
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