2019年11月26日 · I have a AMD Firepro w7100 video card that is dead. Closer inspection looks like the trio R47 chip is burnt out. Where can I find a replacement? Picture is attached. Help a guy out here if you can.

2018年11月15日 · R47 means 0.47 and that's probably uH .. so 0.47 uH at some high current value, probably higher than 5-10A. It's basically a coil of wire with insulation on it, wrapped around a special material. The part is probably still fine, if you find the ends of that coil of wire you can solder the ends on the pads. Looks like an inductor.

2022年6月7日 · PowerColor AMD Radeon R9 390 PCS+ GPU. The usual suspects include Mouser, Digikey, and Farnel. The value is probably 0.47 uHy - possibly 0.47 nHy. Wrap your dial caliper around it to get the dimensions (probably around 5mm square). Use the component selection feature on the distributor's web site to identify a potential replacement.

2015年5月25日 · Was reading this thread and i seem to have a burned R47 on my Sapphire RX480 8gb. Its been running a custom bios for about 9months thus being overclocked. The card was microstuttering for some time already and since last dustout the card wouldn't boot and it showed me a black spot and a cracked R47 near the 6pin power connector.

2022年3月8日 · 2r2 and r47 chips are inductors, all of the rest appear to be diode/resisters. as for baking the card.. its really hit and miss when you do. sometimes it helps and sometimes you make the...

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2019年11月27日 · Yes, the first step is replacing it. But what happens if it fries again. If you can get a hold of another bad W7100 card or similar, you can cannibalize it for parts to troubleshoot your GPU card. Many different models use similar electronic parts. Seems like the W7100 has a 3 year Warranty on it.