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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Beskrivning Pris 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-artikelnummer 170-2499
Tillv. art.nrB1004A1-ND3G-50R-0.01-1W
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BNC Male Straight - 50Ω Nickel over Copper - - - - Brass Gold over Nickel -
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BNC Male Straight - 75Ω Nickel over Copper - - - - Brass Gold over Nickel -
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SMA Male Straight - 50Ω - - 0 → 18GHz 1W - Beryllium Copper Gold -
RS-artikelnummer 143-9691
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SMA Male Straight - 50Ω Gold - 0 → 18GHz 2W - Brass Gold -
RS-artikelnummer 700-9316
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BNC Male Straight - 75Ω Nickel over Copper - - - - Brass Gold over Nickel -
RS-artikelnummer 773-7497
Tillv. art.nrAPH-HDBNCP-T
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BNC Male Straight - 75Ω - - 3GHz 1W - Beryllium Copper Gold -
RS-artikelnummer 700-9647
Tillv. art.nrTMN0111B2-3G-05
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- - Straight PCB Mount - Gold over Nickel RG174/U, RG188 A/U, RG316/U - - - Copper Gold over Nickel Solder
RS-artikelnummer 700-9650
Tillv. art.nrTMN0112U1-3G-05
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- - Right Angle PCB Mount - Gold over Nickel RG174/U, RG188 A/U, RG316/U - - - Copper Gold over Nickel -
RS-artikelnummer 144-0920
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SMA Male Straight - 50Ω Gold - 0 → 18GHz 2W - Brass Gold -
RS-artikelnummer 700-9641
Tillv. art.nrTMN0111T1-3G-14
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- - Straight PCB Mount - Gold RG178 B/U, RG196 A/U - - - - - -
RS-artikelnummer 773-7490
Tillv. art.nrAPH-HDBNCJ-T
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BNC Female Straight - 75Ω - - 3GHz 1W - Beryllium Copper Gold -
RS-artikelnummer 2509270983
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