Kev ceev faj rau kev siv PTC cov cua nab rau overcurrent tiv thaiv

1. SOLDERING

Thaum lub sij hawm soldering, xyuas kom cov neeg thtc no tsis puas los ntawm cov cua sov ntau dhau. Cov sijhawm kub tshaj plaws, lub sijhawm ntau, thiab qhov tsawg kawg nkaus yuav tsum tau saib:

DIP Soldering

Soldering hlau

Tus da dej kub

Ntau Dua 260 Qib

Ntau kawg 360 degree

Soldering sijhawm

Ntau tshaj 10s

Qhov siab kawg 5s

Yam tsawg kawg nkaus nrug los ntawm PTC thermistor

Yam tsawg kawg 6mm

Yam tsawg kawg 6mm

Harssh soldering tej zaum yuav ua rau kev hloov pauv ntawm kev tawm tsam.

2. Txheej thiab Potting

Thaum ua tiav cov txheej txheej thiab cov potting rau PTC cov cua nab, kev ntxhov siab vim vim muaj kev sib tw sib txawv thaum lub sijhawm kho thiab txuas ntxiv mus. Siv cov khoom siv potting lossis sau nrog kev ceev faj. Tsis txhob tshaj cov PTC thermistor qhov kub tshaj qhov kub tshaj plaws thaum lub sij hawm kho. Tsis tas li ntawd, cov khoom ua poov tshuaj yuav tsum yog chemically nruab nrab. Txo ntawm Titanate Ceramic hauv PTC tus cua nab yuav ua rau muaj kev tiv thaiv hluav taws xob tsis kam thiab tsis muaj hluav taws xob. Kev hloov pauv hauv tshav kub dissipation tshwm sim los ntawm Txoj kev lis ntshav yuav ua rau muaj kev sib koom tes ntau hauv PTC thermistor, coj mus rau nws kev puas tsuaj.

3. Ntxuav

Cov neeg sawv cev huv me me xws li Freeon, Trichloroethane, lossis Tetrachlorethylene yog qhov tsim nyog rau kev ntxuav. Kev tu ultrasonic kuj tseem siv tau, tab sis qee cov neeg sawv cev huv yuav ua rau cov thermistor ua haujlwm.

4. Kev Cia Khoom thiab Cia Lub Neej

Yog khaws cia, ptc tus cua kub tsis muaj kev txwv. Txhawm rau kom muaj kev tswj hwm solderability,

Lawv yuav tsum tau muab khaws cia rau hauv qhov tsis - corrosive chaw, them sai sai rau cov av noo, ntsuas kub, thiab ntim khoom. Cheebtsam yuav tsum tau muab cia rau hauv lawv cov khoom ntim qub thaum twg ua tau. Kov cov hlau txheej ntawm ib qho kev ua tsis tau ptc thermistor yuav txwv solderability. Raug rau cov av noo ntau lossis cov huab cua siab yuav cuam tshuam rau kev ua tau zoo ntawm qee cov khoom lag luam, xws li lub szering ntawm tin- Cov Cheebtsam. Txawm li cas los xij, lawv tuaj yeem khaws cia rau ncua sijhawm nyob rau hauv cov khoom siv hluav taws xob ib txwm muaj.

5. Kev ceev faj

Txhawm rau zam kev raug xwm txheej xws li ua tsis tiav, kev ua haujlwm luv, tau them nyiaj rau cov neeg ua haujlwm PTC, tau them nyiaj tshwj xeeb rau cov hauv qab no thaum siv (lossis kuaj) PTC Breader:

Tsis txhob siv (los yog kuaj) PTC cov cua nab hauv hauv cov roj, dej, lossis cov pa roj tawg tau;

Tsis txhob siv (lossis kuaj) PTC cov cua nab taw saum toj no lawv "ntau tshaj plaws ua haujlwm tam sim no" lossis "Ntau tshaj plaws ua hauj lwm voltage" kev ntsuas.