The RU-1:1 is a 1:1 Unun intended to help remove unwanted RF from the coax cable shield. It is normally used as a common-mode RF choke for short coax cable runs or non-resonant antennas. Power Range: to 200 watts PEP.
eBay
2PCS 22*14*8 2MH 1.0 Line Common mode Filter inductance Choke coil Annular Common Mode Inductance 10A
Aliexpress UK
Model: CMF200 (M-M female). - Power handling: 200W PEP. - Usage: The common-mode choke should be placed as close as possible to the radio connection; both input and output are omnidirectional. - Used to suppress common-mode current and reduce electromagnetic interference in devices.
eBay
5pcs UU10.5 UF10.5 Common Mode Choke Inductor 3A Filter Inductance 10mH 20mH 30mH 40mH 50mH 100mH Copper Wire Pin Pitch 10*13mm
Aliexpress UK
QRP HWEF ANTENNA WITH KEVLAR WIRE. RF choke input. - Frequency range: DC - 30Mhz. - passive, no external power required.
eBay
5PCS UU9.8 Common Mode Choke Inductor 10mH 20mH 30mH 40mH 50mH For Filter Pitch
Aliexpress UK
Rated current 20A. Ferrite core current-compensated double choke. Maximum DC Current 20A. 40°C at 20A. RF blocking and filteringSupression of common-mode interferance. Rated inductance 2x 100 µH. Maximum DC Resistance 1.5mΩ.
eBay
5PCS UU9.8 Common Mode Choke Inductor 10mH 20mH 30mH 40mH 50mH For Filter Pitch
Aliexpress UK
Model: CMF200 (M-M female). - Power handling: 200W PEP. - Usage: The common-mode choke should be placed as close as possible to the radio connection; both input and output are omnidirectional. - Used to suppress common-mode current and reduce electromagnetic interference in devices.
eBay
5PCS 2MH 5A Annular Common Mode Filter Inductor 0.7 Wire Choke Ring Inductance 14*9*5mm
Aliexpress UK
Model: CMF200 (M-M female). - Power handling: 200W PEP. - Usage: The common-mode choke should be placed as close as possible to the radio connection; both input and output are omnidirectional. - Used to suppress common-mode current and reduce electromagnetic interference in devices.
eBay
5Pcs UU9.8 UF9.8 UU10.5 UF10.5 Common Mode Choke Inductor Inductance For Filter 10mH 20mH 30mH 40mH 50mH 100mH Copper Wire
Aliexpress UK
Model: CMF200 (M-M female). - Power handling: 200W PEP. - Usage: The common-mode choke should be placed as close as possible to the radio connection; both input and output are omnidirectional. - Used to suppress common-mode current and reduce electromagnetic interference in devices.
eBay
5 Pcs Toroidal Common Mode Inductor 2mH - 14x9x5mm Ferrite Core, 0.7mm Single-Layer Winding,High Current 5A Choke
Aliexpress UK
Model: CMF200 (M-M female). - Usage: The common-mode choke should be placed as close as possible to the radio connection; both input and output are omnidirectional. - Used to suppress common-mode current and reduce electromagnetic interference in devices.
eBay
5PCS UU9.8 UF10.5 Common Mode Choke Inductor 10mH 20mH 30mH 40mH 50mH For Filter Pitch
Aliexpress UK