{"contentHash":"432c2228cea1a22932c3e570852cf44b13eedf972f15ef182e2ec3a4eea088fc","protocol":"bitcoin","authorPubkey":"23c80491e577466b5919c7d3c18de11fb922fbf3a84e69da076832d98f2e70b9","text":"anyone ever buy/use one of these \"\"\"pure copper\"\"\" pin heatsinks? are they actually made of copper -- or is it some fake bastard metal that performs worse than copper or aluminum? i'm trying to heat sink ~12 W from a TO-247 package. this https://www.digikey.com/en/products/detail/fischer-elektronik/ICK-S-25-x-25-x-6-5/26281936 would appear to work but there's no way in hell i'm spending $5 each.","topicHash":"f04b384c0125f2981b53e0738968aafe40ec78569cb0e5075ae829ab39f7527b","topicName":"do-it-yourself","parentHash":"6f8364908a06aa9bf4a4a6ecd18b0c6229191bb9a513c07ab190f99ddc8b14b8","costSunk":"0","biasSupport":0,"biasOppose":0,"biasVouch":0,"biasNull":0,"blockHeight":null,"confirmations":0,"timestamp":"2026-11-08T19:03:02.339Z","tripFp":"2585f495d0d8","viewCount":0,"powDifficulty":0,"relation":0,"ephemeral":true,"nonce":"ef8003bd67818a2e","sig":"4e2ebc0615dcad40248270ce074ff317b53e8817cc5136ed60321b02ae70d2785e0102f8217ffd0878213d03f415218d0b440692beb769b9185d2f7a25669670","ephStamp":{"blockHashHex":"00000000000000000000b130846bf2fdfadb5a05a89aa40c62276700e08ee489","nonceHex":"7e32000000000000"},"replyCount":0,"chainReplyCount":0,"vaporReplyCount":0,"clusterSize":1,"receiptHeight":975088,"expiryHeight":979408,"authorMarks":{"since":"2026-11-04T04:03:50.712Z","via":"sight","inscribed":0,"likes":0,"biases":0},"lang":"en","servedBy":{"host":"6af58b1822e0cabfe57d76540f745d059b438f489a796ec6a705c6540233845e","t":"2026-11-08T20:01:44.192Z","sig":"9423d296079999147a2e31037b68f287f694aed53ca92bff22af3eced34adc77add25d841f4a03f31542eae1a774c5bef131e64828c5623e9d9821a0b32be1eb","h":"00000000000000000000cd4b0ec60a001c6ea85c4680ce040485c9d4d9866bdc"}}