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Dab tsi yog qhov voltage ntawm LED teeb?
Dab tsi yog qhov voltage ntawm LED teeb?

Video: Dab tsi yog qhov voltage ntawm LED teeb?

Video: Dab tsi yog qhov voltage ntawm LED teeb?
Video: Qhov Uas Vajtswv Xav Tau Ntawm Tus Thawjcoj // Kx. Ntxoov Lis Yaj // 1/24/2022 2024, Kaum ib hlis
Anonim

Feem ntau, rau pem hauv ntej hluav taws xob ntawm ib LED yog nruab nrab ntawm 1.8 txog 3.3 qhov hluav taws xob . Nws txawv ntawm cov xim LED . Liab LED feem ntau poob ntawm 1.7 txog 2.0 qhov hluav taws xob , tab sis txij li ob qho tib si hluav taws xob poob thiab lub teeb zaus nce nrog band sib txawv, xiav LED tuaj yeem poob ntawm 3 mus rau 3.3 qhov hluav taws xob.

Ib yam li ntawd, nws tau nug, 220v LED tuaj yeem siv rau 110v?

Yog tias tsis muaj txoj cai tswj hwm sab hauv, koj ua tau sim nws a 110v wb circuit thiab qhov phem tshaj ntawd yuav tshwm sim yog tias nws yuav lub teeb dimly los yog tsis txhua. Txawm li cas los xij yog tias lub teeb muaj lub regulator, nws nyuaj rau twv seb nws yuav ua li cas yuav ua nrog ib qho input voltage hauv qab nws rated voltage.

Ib yam li ntawd, koj ua li cas kuaj lub LED? Rau xeem koj LED , kov qhov taub ntawm qhov kev sojntsuam dub mus rau lub cathode, lossis luv kawg ntawm qhov LED . Kov qhov taub ntawm qhov kev sojntsuam liab mus rau anode, uas yuav tsum yog qhov ntev dua.

Yog li ntawd, dab tsi voltage yog lub teeb?

Common voltages yog 120V , 130V, los yog tsawg-voltage qhov muag teev zoo li 12V. Cov watts hais txog kev ua haujlwm uas tuaj yeem ua tau los ntawm cov hluav taws xob tam sim no, qhov no, lub teeb yuav ci li cas. Lub teeb 100-watt yuav muab koj lub teeb ntau dua li 60-watt teeb.

Yuav ua li cas koj kuaj tus tsav tsheb LED nrog lub multimeter?

Yuav Ntsuas Li Cas Diode nrog Multimeter

  1. Txuas cov hlau lead dub mus rau COM lub davhlau ya nyob twg ntawm lub multimeter.
  2. Txuas cov hlau lead liab mus rau Ω davhlau ya nyob twg, tshwj tsis yog koj tus qauv tshwj xeeb txawv.
  3. Tig lub dial mus rau lub cim diode ntawm lub multimeter.
  4. Qhib lub multimeter.
  5. Xaiv lub LED liab tsis tu ncua.

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