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AA77AB0 Datasheet(PDF) 5 Page - Bourns Electronic Solutions |
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AA77AB0 Datasheet(HTML) 5 Page - Bourns Electronic Solutions |
5 / 5 page 11/16 Specificationsaresubjecttochangewithoutnotice. Thedevicecharacteristicsandparametersinthisdatasheetcananddovaryindifferentapplicationsandactualdeviceperformancemayvaryovertime. Usersshouldverifyactualdeviceperformanceintheirspecificapplications. AASeriesBreaker(ThermalCutoffDevice) Caution when using Breaker (Continued) HANDLING CAUTIONS 1. Sincethebreakerbodyiscomposedofplasticparts,donotclampordentwithtoolsasthiscouldcausearesistanceincreaseorbody damage. 2. Breakerterminalsarethincopper-alloywithrightangleedges.Handlecarefullytoavoidinjurytofingers.Handlingwhilewearingfinger cotsandusingtweezersisrecommended. 3. WhenweldingbreakerterminalsormountingthebreakeronacellorPCMboard,becarefultoavoidplacingexcessivestressonthe breakerbodyandterminals.Excessivestressmaycausearesistanceincreaseorbodydamage.Pleaserefertothefollowingcautions: a) Donotapplymorethan10Nmomenttothebreakerbody(refertoFigure1) b) Donotapplymorethan1.5cN-mtwisttorquetothebreakerbody(refertoFigure2) c) Donotapplymorethan20Nbendingforcetothebreakerbody(refertoFigure3) d) Donotapplymorethan2.0cN-mtwisttorquetothebreakerterminals(refertoFigure4) e) Do not apply more than 2 N force to the breaker terminals (refer to Figure 5) f) Donotbendterminalsmorethan45°atroot(refertoFigure6) g) Donottwistterminalsmorethan10°withthebreakerbodyaffixed. 4. Inbreakerbodywelding,normallythereisdirectwelding(Figure7)andserieswelding(Figure8).Ineithercase,useasuitablejigsothat stresswillnotexceedthelimitsstatedabove. 5. Pull-and-detachstrengthoftheterminalweldingshouldbetoyourownspecification.Iftheweldingresultiscontrolledbyresistance, measurementshouldbemadeataclosepointtothebreakerbodyby“DC4-pointclipmethod”usingamilliohmmetertoensureaccuracy (refer to Figure 9). 6. Avoidputtingexcessivestressasshownabovein3-a)to3-g)whenthejigisusedforwelding/additionalprocessing. 7. Confirmtheresistancevalueaftereachtimeanadditionalprocessisapplied. Rod A Rod B Rod A Figure 1 Figure 2 Figure 9 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Rod B 45 ° 45 ° 45 ° 45 ° milliohm meter Duetopossibleupdatestosafetystandardsandotherreasons,theremaybechangesin specificationsforthisdatasheetwithoutpriornotification.Therefore,beforedesign-infor yourapplication,pleasecontactusforthemostup-to-datespecifications. |
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