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 Coaxial Connector Type
RS Stock No. 296-7955
Mfr. Part No.R404111000
BrandRadiall
kr 92,02
Each
Units
BNC Male Straight - 50Ω Nickel - 4GHz 1W - Brass Gold over Nickel - -
RS Stock No. 124-9149
Mfr. Part No.J01006A1373
kr 62,21
Each
Units
BNC Male Straight - 93Ω - - 0 → 600MHz 0.5W - Brass - - -
RS Stock No. 546-4689
BrandRS PRO
kr 29,98
Each
Units
BNC Male Straight - 75Ω Silver - 0 → 1GHz 0.5W - Brass Gold - -
RS Stock No. 886-0403
Mfr. Part No.26-8023
kr 59,12
Each
Units
N Male Straight - 50Ω Nickel - 0 → 11GHz - - Brass Nickel - -
RS Stock No. 112-3851
Mfr. Part No.J01006A0003
kr 61,61
Each
Units
BNC - - - - - - - - - - - - -
RS Stock No. 821-2567
Mfr. Part No.221629-1
kr 135,09
Each
Units
BNC Male Straight - 50Ω - - - - - Brass Gold - -
RS Stock No. 179-2540
Mfr. Part No.R4041D1121
BrandRadiall
kr 545,62
Each
Units
- Male Straight - 50Ω Nickel - 4GHz 2W - Beryllium Copper Gold over Nickel - -
RS Stock No. 170-2499
Mfr. Part No.B1004A1-ND3G-50R-0.01-1W
BrandAmphenol
kr 27,162
Each (In a Bag of 100)
Units
BNC Male Straight - 50Ω Nickel over Copper - - - - Brass Gold over Nickel - -
RS Stock No. 164-3118
Mfr. Part No.1-5221629-6
kr 103,667
Each (In a Box of 100)
Units
BNC Male Straight - 50Ω - - - 1W - Brass Gold - -
RS Stock No. 785-7761
Mfr. Part No.R404012000
BrandRadiall
kr 131,50
Each
Units
BNC Male Straight Through Hole 75Ω - - 1GHz 1W - Brass Gold - -
RS Stock No. 112-3665
Mfr. Part No.80.5420.017
BrandIMS
kr 57,12
Each
Units
- - Right Angle PCB Mount - - - - - - - - - -
RS Stock No. 718-2512
Mfr. Part No.1-1337523-0
kr 39,18
Each
Units
BNC Male Straight - 50Ω - - 0 → 1GHz 0.5W - - - - -
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. 263-2766
Mfr. Part No.R404240000
BrandRadiall
kr 571,08
Each
Units
N Male Straight - 50Ω - - 0 → 12.4GHz 1W - - - - -
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. 819-4358
Mfr. Part No.51S1RR-001N4
kr 188,93
Each
Units
BNC Male Straight Panel Mount 50Ω - - 0 → 2GHz 1W - Copper Zinc Alloy Nickel/Silver/White Bronze - -
RS Stock No. 494-795
Mfr. Part No.65_N-50-0-1/133_NE
kr 453,83
Each
Units
N Male Straight - 50Ω White Bronze - 0 → 4GHz 1W Yes Brass Gold over Nickel - -
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. 170-2500
Mfr. Part No.B1004A1-ND3G-75R-0.01-1W
BrandAmphenol
kr 20,123
Each (In a Bag of 100)
Units
BNC Male Straight - 75Ω Nickel over Copper - - - - Brass Gold over Nickel - -
RS Stock No. 164-9309
Mfr. Part No.221629-4
kr 87,113
Each (In a Box of 100)
Units
BNC Male Straight Cable Mount 50Ω - - - 1W - Brass Gold - -