SMT零件认识

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

SMT零件認識SMT零件認識一、常用零件種類:二、常用零件包裝種類:三、容值計算:(Capacitance)四、晶片電阻:(Resistor)五、電阻值對照表:六、電阻標示方式(以100歐姆為例):一.常用零件種類:1.電阻(Resistor):R2.電容(Capasitor):C3.排阻(ResistorNetwork):RN4.鉭質電容(TantalumCapasitor):TC5.電晶體(Transistor):TR6.二極體(Diode):D7.發光二極體(LED)一.常用零件種類:8.鋁質電解電容(AluminumElectrolyticCapacitor)9.小型外張腳IC封裝SOIC.(Small-OutlineIC)SOP..(Small-OutlinePackage)10.小型薄型外張腳IC封裝TSOP(Thin-small-OutlinePackage)一.常用零件種類:11.連接器(Connector)12.變壓器(TRANSFORMER)13.四面扁平接腳封裝QFP(QuadFlatPackage)14.四面薄型扁平接腳封裝TQFP(ThinQuadFlatPackage)15.保險桿四面薄型扁平接腳封裝BQFP(bumperedThinQuadFlatPackage)一.常用零件種類:16.小型J型腳IC17.塑膠四邊J型腳IC18.塑膠插座(SOCKET)19.矩陣式球墊包裝20.金屬矩陣式球墊包裝MBGA(BallGridArray)21.陶瓷矩陣式球墊包裝CBGA(BallGridArray)22.振盪器一.常用零件種類:1.電阻(Resistor):R規格(Size)外觀(Shape)公制(mm):英制(in):050302011005040216080603211508053216120632251210一.常用零件種類:2.電容(Capasitor):C規格(Size)外觀(Shape)公制(mm):英制(in):0503020110060402160906032116080532161206一.常用零件種類:3.排阻(ResistorNetwork):RN規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)一.常用零件種類:4.鉭質電容(TantalumCapasitor):TC規格(Size)外觀(Shape)公制(mm):英制(in):10070402161006032127080532161206一.常用零件種類:5.電晶體(Transistor):TR規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)一.常用零件種類:6.二極體(Diode):D規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度一.常用零件種類:7.發光二極體(LED)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度一.常用零件種類:8.鋁質電解電容(AluminumElectrolyticCapacitor)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度一.常用零件種類:9.小型外張腳IC封裝SOIC.(Small-OutlineIC)SOP..(Small-OutlinePackage)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)一.常用零件種類:10.小型薄型外張腳IC封裝TSOP(Thinsmall-OutlinePackage)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)一.常用零件種類:11.連接器(Connector)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)一.常用零件種類:12.變壓器(TRANSFORMER)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)一.常用零件種類:13.四面扁平接腳封裝QFP(QuadFlatPackage)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)一.常用零件種類:14.四面薄型扁平接腳封裝TQFP(ThinQuadFlatPackage)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)一.常用零件種類:15.保險桿四面薄型扁平接腳封裝BQFP(bumperedThinQuadFlatPackage)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)一.常用零件種類:16.小型J型腳ICSOJ(J-LeadedSmall-OutlinePackage)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)一.常用零件種類:17.塑膠四邊J型腳ICPLCC(PlasticLeadedChipCarrier)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)、腳長一.常用零件種類:18.塑膠插座(SOCKET)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)一.常用零件種類:19.矩陣式球墊包裝BGA(BallGridArray)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)一.常用零件種類:20.金屬矩陣式球墊包裝MBGA(BallGridArray)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)一.常用零件種類:21.陶瓷矩陣式球墊包裝CBGA(BallGridArray)規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度及腳距(Pitch)一.常用零件種類:22.振盪器規格(Size)外觀(Shape)外型尺寸(X、Y)、厚度二.常用零件包裝種類:1.捲帶式(TAPE,REEL)適合零件圖片電阻、電容、二極體、電晶體、排阻、SOP、SOJ、PLCC、SOCKET二.常用零件包裝種類:2.盤式(TRAY)適合零件圖片QFP(TQFP)、BGA(MBGA)、TSOP、CONNECTOR、PLCC二.常用零件包裝種類:3.管狀(TUBE,STICK)適合零件圖片SOP、電晶體、PLCC、TRANSFORMER、SOCKET三、容值計算:(Capacitance)例:0805N100J05ATSizecode:SeesizechartforavailableSizebyvalueandvoltagePack:B=BULKT=T&RTermination:A:AgP:Pd/AgN:NickelPlateTemperatureCharacteristic:N=NPO/COGX=X7RZ=Z5UY=Y5VCapacitance(pf):ThefirsttwodigitsareSignificantofcapacitance.Thelastdigitismultiplier0=*14=*100001=*105=*1000002=*1009=*0.13=*1000WorkingVoltage:01=16V02=25V05=50VCapacitanceTolerance:C=+/-0.25PF.K=+/-10%D=+/-0.5PF.M=+/-20%.G=+/-2PFZ=+80%-20%.J=+/-5PFP=+/-100%-0%(註)首兩位為容值,最後一位為10倍數)四、晶片電阻:EX、Length(長)Wideth(寬)0603=0.06”*0.03”=1.6mm*0.8mm0805=0.08”*0.05”=2.0mm*1.25mm1206=0.12”*0.06”=3.2mm*1.6mm1210=0.12”*0.10”=3.2mm*2.5mm1812=0.18”*0.12”=4.5mm*3.2mm晶片電容之外觀尺寸同上(Chipcapacitoralsohasthesamedimension)四、晶片電阻:二、晶片電阻(chipresistor)&排阻(Resistorparallel;ResistorNotwork)阻值計算(ValueofΩ)EX12*103=12,000Ω=12KΩ45*106=45,000,000Ω=45MΩ12345610*100=10*1Ω=10Ω00*100=0*1Ω=0ΩPS:K(Kilo-):103C(Cent-):10-2M(Mega-):106m(Mini-):10-3N(Nano-):10-9P(Pico-):10-12μ(Micro-):10-6四、晶片電阻:10R100000五、電阻值對照表:CodeRValueCodeRValueCodeRValueCodeRValue011001313325178372370210214137261823824303105151402718739249041071614328191402550511017147291964126106113181503020042267071151915431205432740811820158322104428009121211623321545287101242216534221462941112723169352264730112130241743623248309五、電阻值對照表:CodeRValueCodeRValueCodeRValueCodeRValue493166142273562857505032462432745768676851332634427559087787523406445376604888065334865464776198982554357664757863490845553656748779649918665637468499806659288757383695118168193909583927052382698949315940271536837159595360412725498473296976五、電阻值對照表:S=10-2R=10-1A=100B=101C=102D=103E=104F=105X=10-1EX下列零件前兩碼為Code(查表),後一碼為英文字母的乘數。電阻值:24.9R1%75R1%100K1%2K1%01D85R30B39X六、電阻標示方式(以100歐姆為例):項次1234功率1206(1/4W)0805(1/10W)0603(1/16W)0603(1/16W)誤差值1%(精密電阻)誤差值5%(一般電阻)1000100001A101101101101101註:其中01A必須查表計算阻值。適用範圍:SMT

1 / 40
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功