this post was submitted on 16 Jan 2025
73 points (100.0% liked)

Electronics

2121 readers
88 users here now

Projects, pictures, industry discussions and news about electronic engineering & component-level electronic circuits.

Rules

1: Be nice.

2: Be on-topic (eg: Electronic, not electrical).

3: No commercial stuff, buying, selling or valuations.

4: No circuit design or repair, tools or component questions.

5: No excessively promoting your own sites, social media, videos etc.


Ask questions in https://discuss.tchncs.de/c/askelectronics


founded 2 years ago
MODERATORS
 

The thickness of the board beneath it gives deceptive scale. It's about 50mm tall and the toroid is 85mm in diameter.

https://www.lcsc.com/datasheet/lcsc_datasheet_2408061709_Ruishen-RSCM11548-5mH-3P_C37634003.pdf

I was looking for much smaller CMCs. Also the datasheet for this part doesn't have impedance-versus-frequency graphs so I refuse to buy it anyway :P

you are viewing a single comment's thread
view the rest of the comments
[–] [email protected] 3 points 1 day ago

So many CMCs seem to be marketed based of visual appearance and hope. I guess maybe people already have a design that works, so they go for things that look like clones visually? Otherwise I don't get how anyone would choose their product when there are alternatives with actual specs.

Another gripe: When the only datasheet available is a combined one with tables and graphs listing the specs of dozens of part variants. But yours isn't on there. So you find two similar models in the list and mentally interpolate between the graphs whilst worrying whether or not this is a long-term supply item or some spares that a retailer is selling off from a custom order run.