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設計留意:1.是否同時要CSA,CEC,FCC?2.溫升3.Creepage,Clearance4.overloadokay?5.Onecritical(nonapproval)componentfailureokay?6.useappropriateapprovalcomponentBeforesendingtolab,youcanasklabengineertocommentyourmechanicaldesignandBOM.(normallyisfree)

LargeScaleIntegration

漆包線,enamelledcopperwire塑包線,wire磁芯,ferrite纖維管,fibertube熱縮套管,heatshrinkabletube線路板,PCB塑料件,plastic(injection)part油墨,ink(forpadprintorsilkscreenorspraying)燈管,lightingtube(bulb?)電源線,powercord電解電容,electrolyticcapacitor

ApplicantGoodandServiceTax

干擾

VccVddVeeVssarenotationsusedtodescribevoltage,orginatedfromterminaloftransistor.Vccoftenappliedtocollectors,d=draine=emitters=sourceNowmanydatasheets,useVccforpositivesupplypins.

ORT(OngoingReliabilityTest)

Standardis:UL1310Productis:lineartransformer/adaptorsOurcompetitorappliedULcertificatethroughTaiwanUL,itstestreportismuchsimplethanHongKongUL,andshowsnoconstruction.Itsendproductexceededthestandardallowedtemperaturerise.Myquestionsare:1.IsitgoodtoapplythroughChinaUL?2.WhatactionChinaULwouldtake,ifweprovidesampleswhichviolatedthestandard?

IfindsomecompetitorULproductsviolatethestandard,buttheygottheapprovalfromTaiwanUL.AnyULlabthathaveengineermoreeasilytosigntheULcertificate?