1. NFA18SD series is LC combined noise suppression

filter whose noise suppression curve is

very steep and deep in spite of its small shape.

2. This product has additional function as common mode

choke coil. It works as a common mode choke coil at

low frequency range, also works as a LC filter at

high frequency range. This combination results good

noise suppression effect without the affection to

differential signal waveform.

3. This product has good noise suppression effect from

470MHz (for digital TV) to 2GHz. (for mobile phone)

This function improves the sensibility of digital

TVs or mobile phones.

4. Four circuits are built in 1.6x0.8mm chip size,

it saves the large amount of mounting space.