{"id":"S2003001299","label":"Insulated gate bipolar transistors","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2003001299","normalized_label":"insulated gate bipolar transistors","broader":["http://id.loc.gov/authorities/subjects/sh85014274"],"aliases":["IGBTs (Transistors)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2003001299","provider":"lcsh","revision":"be8824192aa22723","taxonomy_revision":"f050b5d4780b1289","title":"Insulated gate bipolar transistors","url":"/topics/S2003001299","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5188371097514829382","address_version":"morton4x16-v1","coordinates":[0,477,36223,19456],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}