T
treez
Guest
Hi,
Which of these common mode chokes has the most attenuation of common mode emissions from 30MHz to 250MHz?
The Wurth one states “20dB of attenuation at 100MHz”, whereas the Bourns one states “1000 Ohms at 100MHz”.
Wurth 744841330 CM choke
https://www.we-online.de/katalog/datasheet/744841330.pdf
Bourns SRF1206A-102Y
SRF1206A Series Common Mode Chokes (bourns.com)
Which of these common mode chokes has the most attenuation of common mode emissions from 30MHz to 250MHz?
The Wurth one states “20dB of attenuation at 100MHz”, whereas the Bourns one states “1000 Ohms at 100MHz”.
Wurth 744841330 CM choke
https://www.we-online.de/katalog/datasheet/744841330.pdf
Bourns SRF1206A-102Y
SRF1206A Series Common Mode Chokes (bourns.com)