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. 716-5040
Mfr. Part No.6550.41.AB
SGD297.48
Each
units
7/16 Male Straight - 50Ω Anodized - 0 → 2GHz 25W - Brass Silver
RS Stock No. 820-7791
Mfr. Part No.1-5221629-6
SGD21.52
Each
units
BNC Male Straight - 50Ω - - - 1W - Brass Gold
RS Stock No. 125-0325
Mfr. Part No.R404759000
BrandRadiall
SGD281.32
Each
units
Coaxial Female Straight - 50Ω Nickel - DC-6GHz 30W Yes Beryllium Copper Gold over Nickel
RS Stock No. 125-0322
Mfr. Part No.R4041D1000
BrandRadiall
SGD82.36
Each
units
Coaxial Male Straight - 50Ω Nickel - DC-4GHz 2W Yes Beryllium Copper Gold over Nickel
RS Stock No. 712-3119
Mfr. Part No.J01026A0010
SGD164.36
Each
units
N Male Straight - 50Ω Copper Nickel Alloy, White Bronze - 0 → 18GHz 2W - Copper, Lead, Nickel Alloy Copper, Silver Alloy
RS Stock No. 713-0899
Mfr. Part No.226176-4
SGD3.88
Each (In a Pack of 5)
units
- - - PCB Mount - - - - - - Brass -
RS Stock No. 886-0403
Mfr. Part No.26-8023
SGD9.65
Each
units
N Male Straight - 50Ω Nickel - 0 → 11GHz - - Brass Nickel
RS Stock No. 716-5012
Mfr. Part No.6550.17.AA
SGD375.77
Each
units
N Male Straight - 50Ω Anodized - 0 → 5GHz 25W - Brass Gold
RS Stock No. 700-9641
Mfr. Part No.TMN0111T1-3G-14
SGD1.80
Each
units
- - Straight PCB Mount - Gold RG178 B/U, RG196 A/U - - - - -
RS Stock No. 124-9149
Mfr. Part No.J01006A1373
SGD18.67
Each
units
BNC Male Straight - 93Ω - - 0 → 600MHz 0.5W - Brass -
RS Stock No. 277-9449
Mfr. Part No.3840-50
BrandFluke
SGD18.00
Each
units
BNC Male Straight - 50Ω - - 500MHz 0.5W - Brass Gold
RS Stock No. 263-2716
Mfr. Part No.R404101000W
BrandRadiall
SGD7.32
Each
units
SMA Male Straight - 50Ω - - 0 → 4GHz 1W - - -
RS Stock No. 144-0920
Mfr. Part No.132360
SGD6.19
Each
units
SMA Male Straight - 50Ω Gold - 0 → 18GHz 2W - Brass Gold
RS Stock No. 773-7497
Mfr. Part No.APH-HDBNCP-T
SGD44.96
Each
units
BNC Male Straight - 75Ω - - 3GHz 1W - Beryllium Copper Gold
RS Stock No. 131-202
Mfr. Part No.996073
BrandDomocare
SGD13.30
Each
units
BNC Male Straight - 75Ω - - - 1W - Brass Gold
RS Stock No. 886-0481
Mfr. Part No.27-9007
SGD3.108
Each (In a Pack of 10)
units
BNC Male Straight - 75Ω Nickel - 0 → 1GHz - - Brass Gold
RS Stock No. 134-403
BrandITT Cannon
SGD2.119
Each (In a Bag of 10)
units
SMT - Straight Surface Mount - - RG316 - - - - -
RS Stock No. 716-4987
Mfr. Part No.6500.19.A
SGD173.90
Each
units
SMA Male Straight - 50Ω White Bronze - 18GHz 0.75W - Beryllium Copper Gold
RS Stock No. 546-4673
BrandRS PRO
SGD6.66
Each
units
BNC Male Straight - 50Ω Silver - 0 → 1GHz 0.5W - Brass Gold
RS Stock No. 712-3282
Mfr. Part No.J01152A0011
SGD28.19
Each
units
SMA Male Straight - 50Ω Copper Nickel Gold Alloy - 0 → 6GHz 1W - Brass Copper, Gold Alloy, Nickel