Author Topic: SMD Package Help  (Read 525 times)

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Offline marc.hicklingTopic starter

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SMD Package Help
« on: January 06, 2021, 06:40:48 pm »
Hey I have this inductor L6 and need to find the package, I have no idea what package it is or the manufacturer as its for a repair. see attachment

thanks
 

Offline VK3DRB

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Re: SMD Package Help
« Reply #1 on: January 07, 2021, 11:01:06 pm »
It looks like a common mode choke. Surface mounted common mode chokes are often not in a standard package and do not have a standard footprint. If it is a common mode choke, the opposite terminals should measure less than a few ohms, and the terminals next to each other should be open circuit (measured when removed from the circuit). Common mode chokes rarely fail.

If you can get the schematic for the product, it should tell you exactly what the part and its part number is, then Google the part number.
 

Offline daqq

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Re: SMD Package Help
« Reply #2 on: January 07, 2021, 11:12:33 pm »
It's likely a common mode choke. Visually it seems similar to:

https://www.digikey.com/en/products/detail/laird-signal-integrity-products/CM3322U610R-00/411783

Parametrically no clue.
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Offline bob91343

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Re: SMD Package Help
« Reply #3 on: January 08, 2021, 12:25:20 am »
Those units aren't likely very effective.  Replacing with the one you linked probably would be fine.  A common mode choke is usually more for contingency than actual filtering, and this one with a piece of ferrite is likely rather ineffectual for most situations.
 


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