Yuav ua li cas txuas diodes?

1, Kev npaj ua ntej kev sib txuas
Ua ntej txuas lub diode, cov kev npaj hauv qab no yuav tsum tau ua:
Xaiv lub diode uas tsim nyog: Xaiv hom diode uas tsim nyog raws li qhov yuav tsum tau muaj ntawm Circuit Court. Piv txwv li, silicon rectifier diodes feem ntau yog siv nyob rau hauv rectifier circuits, thaum germanium detector diodes feem ntau siv nyob rau hauv nrhiav kom tau circuits. Nyob rau tib lub sijhawm, nws yuav tsum xav txog qhov ntsuas hluav taws xob, ntsuas tam sim no, thiab lwm yam tsis zoo ntawm lub diode kom ntseeg tau tias nws tuaj yeem tiv taus qhov voltage thiab tam sim no hauv Circuit Court.
Txheeb xyuas qhov zoo thiab qhov tsis zoo ntawm lub diode: Ib lub diode muaj qhov sib txawv ntawm cov ncej zoo thiab tsis zoo, thiab tus ncej zoo (tseem hu ua anode) feem ntau yog cim nrog cov cim xws li lub nplhaib xim, protrusion, lossis ntawv cim. Thaum txuas diodes, nws yog ib qho tsim nyog los xyuas kom meej tias qhov zoo thiab qhov tsis zoo ntawm cov terminals raug txuas kom raug, txwv tsis pub lub diode yuav tsis ua haujlwm zoo lossis puas.
Npaj cov cuab yeej kev sib txuas: Raws li txoj kev sib txuas ntawm lub voj voog, npaj cov cuab yeej sib txuas xws li cov chaw nres tsheb, soldering, hlau strippers, ntswj ntsia hlau, thiab lwm yam.
2, Cov kauj ruam txuas
Txiav txim siab txoj kev sib txuas: Txiav txim siab txoj kev sib txuas ntawm diode raws li daim duab kos duab. Diodes tuaj yeem txuas rau hauv series lossis sib npaug hauv ib lub voj voog, nyob ntawm seb qhov yuav tsum tau ua ntawm Circuit Court.
Kov pins: Siv cov hlau strippers los strip cov txheej rwb thaiv tsev ntawm diode pins kom ntev li ntev tau, nthuav tawm cov hlau rau kev sib tsoo. Ceev faj tsis txhob ua kom cov pins puas thaum stripping cov hlau.
Solder diode: Ntxig cov pins ntawm lub diode rau hauv qhov sib thooj ntawm lub rooj tsav xwm hauv Circuit Court, kom ntseeg tau tias cov ncej zoo thiab qhov tsis zoo sib haum. Tom qab ntawd, siv lub chaw nres tsheb thiab cov khoom siv kom khov kho cov pins rau lub rooj tsav xwm hauv Circuit Court. Thaum vuam, yuav tsum tau them nyiaj mloog mus rau kev tswj qhov kub thiab txias thiab lub sij hawm ntawm lub solder kom tsis txhob overheating thiab puas rau lub diode.
Txheeb xyuas qhov kev sib txuas: Tom qab vuam tiav lawm, siv lub tshuab multimeter lossis lwm yam cuab yeej los xyuas seb qhov kev sib txuas ntawm diode puas ruaj khov thiab seb qhov zoo thiab qhov tsis zoo ntawm cov ncej txuas nrog raug. Nyob rau tib lub sijhawm, nws yuav tsum tau kuaj xyuas seb puas muaj lwm yam khoom ntawm lub rooj tsav xwm hauv Circuit Court raug txuas kom raug kom ntseeg tau tias lub Circuit Court tuaj yeem ua haujlwm zoo.
3, Kev ceev faj
Tiv thaiv kev puas tsuaj zoo li qub: Diodes yog cov khoom siv zoo li qub, thiab thaum lub sij hawm kev sib txuas, nws yog ib qho tseem ceeb kom tsis txhob muaj kev puas tsuaj rau cov diodes uas tshwm sim los ntawm static paug. Koj tuaj yeem hnav ib lub dab teg los tiv thaiv zoo li qub lossis ua haujlwm hauv qhov chaw qhuav kom txo tau qhov kev pheej hmoo ntawm electrostatic paug.
Tswj vuam kub: Thaum vuam diodes, nws yog ib qho tsim nyog los tswj qhov kub thiab lub sij hawm ntawm lub solder kom tsis txhob overheating thiab kev puas tsuaj rau lub sab hauv ntawm lub diode. Nyob rau tib lub sijhawm, nws yog ib qho tsim nyog los xyuas kom meej tias cov vuam yog ruaj khov thiab tsis txhob xoob cov pins uas yuav ua rau muaj kev cuam tshuam hauv Circuit Court.
Ua tib zoo saib xyuas cov cua kub dissipation: Nyob rau hauv high-power circuits, diodes tuaj yeem tsim kom muaj cua sov ntau. Yog li ntawd, thaum txuas diodes, yuav tsum tau them nyiaj mloog mus rau lub tshav kub dissipation, thiab cov cua kub dissipation ntsuas xws li ntxiv cua sov dab dej los yog kiv cua yuav siv tau los txo qhov kub ntawm lub diodes.
Tsis txhob rov qab sib txuas: Diodes muaj unidirectional conductivity, thiab rov qab kev twb kev txuas yuav ua rau lub diode malfunction los yog puas. Yog li ntawd, thaum txuas diodes, tshwj xeeb yuav tsum tau them nyiaj mloog mus rau qhov sib txuas ntawm cov ncej zoo thiab tsis zoo los xyuas kom meej qhov zoo sib xws.
4, Kev daws teeb meem rau cov teeb meem tshwm sim
Diode tsis ua haujlwm: Yog tias lub diode tsis ua haujlwm, nws tuaj yeem tshwm sim los ntawm kev sib txuas yuam kev lossis lub diode puas. Hauv qhov no, nws yog ib qho tsim nyog los xyuas seb qhov kev sib txuas ntawm lub diode puas yog, seb cov pins puas xoob lossis puas, thiab seb lub diode nws tus kheej puas zoo lawm.
Circuit Court instability: Yog hais tias lub Circuit Court tsis ruaj tsis khov, nws yuav tshwm sim los ntawm kev sib txuas ntawm diode tsis zoo lossis lwm yam tsis ua haujlwm hauv Circuit Court. Nyob rau ntawm lub sijhawm no, nws yog ib qho tsim nyog yuav tsum tau xyuas seb qhov kev sib txuas ntawm lub diode puas ruaj khov, seb cov pins puas muaj kev sib cuag zoo, thiab seb lwm cov khoom hauv Circuit Court puas ua haujlwm zoo.
Cov cua sov diode hnyav: Yog tias lub diode heats hnyav heev, nws tuaj yeem tshwm sim los ntawm cov khoom siv hluav taws xob ntau dhau lossis tsis muaj cua sov dissipation hauv Circuit Court. Nyob rau ntawm lub sijhawm no, nws yog ib qho tsim nyog los xyuas seb qhov tam sim no hauv Circuit Court puas tshaj qhov ntsuas tam sim no ntawm diode thiab seb qhov ntsuas kub puas tsim nyog tau ntxiv lawm.
https://www.trrsemicon.com/diode/smd-diode/schottky-barrier-rectifier-ss12.html