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need help identifying component labeled 4901 rh45 on AMD RX Vega 56
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Topic: need help identifying component labeled 4901 rh45 on AMD RX Vega 56 (Read 777 times)
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hercegovac
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need help identifying component labeled 4901 rh45 on AMD RX Vega 56
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June 08, 2019, 03:18:53 am »
need help identifying component labeled 4901 rh45 on AMD RX Vega 56
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LateLesley
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Re: need help identifying component labeled 4901 rh45 on AMD RX Vega 56
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Reply #1 on:
June 08, 2019, 11:26:12 am »
Going by the Q-labeling and closeness to an inductor, i'm gonna guess that it may be a MOSFET, possibly this one -
https://www.onsemi.com/pub/Collateral/NTMFD4901NF-D.PDF
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hercegovac
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Re: need help identifying component labeled 4901 rh45 on AMD RX Vega 56
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Reply #2 on:
June 08, 2019, 01:54:20 pm »
I hoped that was the right part until after I removed it from the PCB, the pinout on the bottom does not matches the spec sheet drawing
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hercegovac
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Re: need help identifying component labeled 4901 rh45 on AMD RX Vega 56
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Reply #3 on:
June 08, 2019, 02:00:27 pm »
Also it is much smaller that typical mosfet used on GPUs
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LateLesley
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Re: need help identifying component labeled 4901 rh45 on AMD RX Vega 56
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Reply #4 on:
June 08, 2019, 03:31:36 pm »
It's just a slightly different footprint of the same type I think. (But I haven't looked over all the specs. )
https://uk.farnell.com/on-semiconductor/ntlld4901nftwg/mosfet-n-ch-30v-9-5a-8wdfn/dp/2216673
(EDIT : the current capacity is smaller)
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Last Edit: June 08, 2019, 03:34:01 pm by LateLesley
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