{"action":"opened","issue":{"url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/8862","repository_url":"https://api.github.com/repos/MarlinFirmware/Marlin","labels_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/8862/labels{/name}","comments_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/8862/comments","events_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/8862/events","html_url":"https://github.com/MarlinFirmware/Marlin/issues/8862","id":284026955,"number":8862,"title":"Thermistor table #8","user":{"login":"ABH10","id":22498335,"avatar_url":"https://avatars1.githubusercontent.com/u/22498335?v=4","gravatar_id":"","url":"https://api.github.com/users/ABH10","html_url":"https://github.com/ABH10","followers_url":"https://api.github.com/users/ABH10/followers","following_url":"https://api.github.com/users/ABH10/following{/other_user}","gists_url":"https://api.github.com/users/ABH10/gists{/gist_id}","starred_url":"https://api.github.com/users/ABH10/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ABH10/subscriptions","organizations_url":"https://api.github.com/users/ABH10/orgs","repos_url":"https://api.github.com/users/ABH10/repos","events_url":"https://api.github.com/users/ABH10/events{/privacy}","received_events_url":"https://api.github.com/users/ABH10/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2017-12-21T22:51:45Z","updated_at":"2017-12-21T22:51:45Z","closed_at":null,"author_association":"NONE","body":"\r\nIn Configuration.h and in thermistortables.h it is listed that thermistor table # 8 can be used for a\r\nthermistor like Vishay NTCS0603E3104FXT with a 4.7k pullup resistor.\r\nNTCS0603E3104FXT is a 100 kOhm thermistor with beta_25/85 = 4100K according to this components datasheet.\r\nThis seems to be wrong: Table 8 cannot not linearize this combination of thermistor and pullup.\r\nTable 8 seems to be for a 100 kOhm thermistor with beta_25/85 = 3950K using 10 kOhm pullup resistor."}}
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