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by LeifCarrotson
748 days ago
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I'd be surprised to find a 1/4W 0402, you'd just about melt the solder off. Yageo claims this one is good to 3W, do you think it glows cherry red? What trace width and pad geometry do you need to push 3W into a 0.0025 ohm resistor? https://www.digikey.com/en/products/detail/yageo/PA0402CRF5P... But to your point, Digikey has >70,000 0402s in 1/16W. There are 900 rated for 0.05W, and they're all exotic high-frequency/low temp coefficient/high-precision specialty parts. |
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Something close to this is pretty common these days; for example Vishay's CRCW-HP series are good to 1/5W in 0402 size: https://www.mouser.co.uk/ProductDetail/Vishay-Dale/CRCW04021...