[{"data":1,"prerenderedAt":225},["ShallowReactive",2],{"hs-8540":3},{"id":4,"title":5,"aeoAnswer":6,"body":7,"chapter":179,"code":180,"description":17,"digits":181,"documentationNotes":182,"examples":183,"excludes":184,"extension":189,"faq":190,"hazmatClass":192,"heading":180,"includes":193,"keyTakeaway":164,"licensingFlags":194,"meta":195,"metaDescription":6,"metaTitle":5,"navigation":196,"parent":179,"path":197,"plainEnglish":17,"relatedCodes":198,"searchQueries":199,"section":205,"seo":206,"shortTitle":207,"stem":208,"synonyms":209,"topExporters":214,"topImporters":218,"typicalDutyRange":222,"typicalMode":223,"__hash__":224},"hsCodes/hs-codes/85/8540.md","HS Code 8540 — Thermionic and Cathode Valves and Tubes","HS code 8540 covers thermionic, cold cathode, and photo-cathode valves and tubes, including CRTs and television camera tubes used in legacy electronics and high",{"type":8,"value":9,"toc":165},"minimark",[10,14,18,23,42,46,69,73,87,91,96,99,103,135,139,158,162],[11,12,5],"h1",{"id":13},"hs-code-8540-thermionic-and-cathode-valves-and-tubes",[15,16,17],"p",{},"This code covers vacuum-sealed glass or metal tubes used to control the flow of electric current. It includes classic vacuum tubes, cathode-ray tubes (CRTs) for older monitors or televisions, and specialized gas-filled tubes used in high-power rectifiers and industrial imaging.",[19,20,22],"h2",{"id":21},"whats-included","What's included",[24,25,26,30,33,36,39],"ul",{},[27,28,29],"li",{},"Cathode-ray tubes (CRTs)",[27,31,32],{},"Magnetrons",[27,34,35],{},"Klystrons",[27,37,38],{},"Mercury arc rectifiers",[27,40,41],{},"Phototubes",[19,43,45],{"id":44},"whats-excluded","What's excluded",[24,47,48,60],{},[27,49,50,54,55,59],{},[51,52,53],"strong",{},"Light emitting diodes (LEDs)"," → use ",[56,57,58],"code",{},"8541"," (LEDs are semiconductor devices, not vacuum or gas-filled tubes.)",[27,61,62,54,65,68],{},[51,63,64],{},"X-ray tubes",[56,66,67],{},"9022"," (X-ray apparatus falling under medical or industrial equipment is classified in Chapter 90.)",[19,70,72],{"id":71},"common-examples","Common examples",[24,74,75,78,81,84],{},[27,76,77],{},"Microwave oven magnetron",[27,79,80],{},"Television picture tube",[27,82,83],{},"Photomultiplier tube",[27,85,86],{},"Radio transmitter vacuum tube",[19,88,90],{"id":89},"frequently-asked-questions","Frequently asked questions",[92,93,95],"h3",{"id":94},"are-computer-monitors-classified-under-8540","Are computer monitors classified under 8540?",[15,97,98],{},"No, only the cathode-ray tube itself is 8540; the complete monitor is classified under 8528.",[19,100,102],{"id":101},"trade-shipping-notes","Trade & shipping notes",[24,104,105,111,117,123,129],{},[27,106,107,110],{},[51,108,109],{},"Typical duty range:"," 0% - 5%",[27,112,113,116],{},[51,114,115],{},"Documentation:"," Often subject to e-waste disposal regulations in the EU and UK.",[27,118,119,122],{},[51,120,121],{},"Typical shipping mode:"," LCL",[27,124,125,128],{},[51,126,127],{},"Top exporters:"," China, Japan, United States",[27,130,131,134],{},[51,132,133],{},"Top importers:"," Germany, South Korea, Vietnam",[19,136,138],{"id":137},"related-hs-codes","Related HS codes",[24,140,141,148,153],{},[27,142,143],{},[144,145,147],"a",{"href":146},"/customs/hs-code/8528","8528",[27,149,150],{},[144,151,58],{"href":152},"/customs/hs-code/8541",[27,154,155],{},[144,156,67],{"href":157},"/customs/hs-code/9022",[19,159,161],{"id":160},"key-takeaway","Key takeaway",[15,163,164],{},"Primarily legacy technology and specialized high-frequency industrial power components.",{"title":166,"searchDepth":167,"depth":167,"links":168},"",2,[169,170,171,172,176,177,178],{"id":21,"depth":167,"text":22},{"id":44,"depth":167,"text":45},{"id":71,"depth":167,"text":72},{"id":89,"depth":167,"text":90,"children":173},[174],{"id":94,"depth":175,"text":95},3,{"id":101,"depth":167,"text":102},{"id":137,"depth":167,"text":138},{"id":160,"depth":167,"text":161},"85","8540",4,"Often subject to e-waste disposal regulations in the EU and UK.",[77,80,83,86],[185,187],{"item":53,"correctCode":58,"reason":186},"LEDs are semiconductor devices, not vacuum or gas-filled tubes.",{"item":64,"correctCode":67,"reason":188},"X-ray apparatus falling under medical or industrial equipment is classified in Chapter 90.","md",[191],{"q":95,"a":98},null,[29,32,35,38,41],[],{},true,"/hs-codes/85/8540",[147,58,67],[200,201,202,203,204],"hs code for microwave magnetron","cathode ray tube customs classification","importing vacuum valves for radio","is a magnetron hs code 8540","duty rate for electronic valves","XVI",{"title":5,"description":17},"Thermionic and Cathode Valves and Tubes","hs-codes/85/8540",[210,211,212,213],"Vacuum tubes","Electron valves","CRT monitors","Radar tubes",[215,216,217],"China","Japan","United States",[219,220,221],"Germany","South Korea","Vietnam","0% - 5%","LCL","uMGGn4Jr6KgId7LBLD7Gsib29uPEM-cL_dE1ehcC-Zo",1778802406675]