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What are these parts?

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Anybody recognize these part numbers? MuRata #CFu455E, a 455kHz IF filter for AM, and SFE10.7MS2-A, a 10.7MHz IF filter for FM. Also, a Toko number, #RMC2A6597. Since I'm reading these numbers from a data sheet, how can I recognize these parts? What do they look like? Any and all help is appreciated. Thanks. <ckd>
Now for my next trick...

Thanks to Sebi and Pilot for the help. Just one more question...What's the difference between a discriminator, a resonator, and a filter? I have several devices that look about the same. All say 455 or 10.7 on them. Which is which?
Pilot: If you want to take a look at the data on this, let me know. I'd post it now, but it's a big (4.5M) pdf appnote from Motorola.
Thanks again. <ckd>


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The function depend from letters: SFE is a bandpass filter (e.g.for IF) CDA is a notch filter etc. On MURATA website You can find the caracteristics.
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