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2015年9月25日にAppleから発売されたiPhone 6Sの修理情報とガイドです。モデル A1688、A1633。

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Part number / values for filter (inductor) components?

I'm working on an iPhone 6s specifically, but I suppose this question could apply to any of the iPhones.

I need to replace FL4105, but the schematics only specify 70-ohms, 25%, 0.28A. Not quite the info I would expect for an inductor. What about frequency response and inductance value?

Does anyone know what these components are exactly? All I can reasonably come up with is a multi-layer ceramic chip inductor, but that leaves too many options when trying to find a suitable replacement based only on the minimal info in the schematic.

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FL4105 is a Ferrite Bead so it is not rated in inductance, only resistance. While a ferrite bead is indeed an inductor, it becomes resistive at high frequencies and it dissipates the high frequency noise as heat.

This is what you're looking for.

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Really? Thanks. That is nice to know and should make finding a replacement part easier. Off to digikey... (time passes)... Well look at that, a nice exact part match. :-)

Edit: another problem. I hate ordering just a handful of $0.21 parts... What else to buy from Digikey to make the order worth it? ;-)

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If you are repairing logic boards regularly, I would get all of the regular ferrite beads used on backlight lines etc (just look them up on the schematics. There are also some pretty standard caps that you need such as 56pF/16V/01005, 10MF/6.3V/0402, 2.2MF/6.3V/0201

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matthew さん、ありがとうございました！
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