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RCchipRCarrayCrystalDiodeLEDTransformerT/ECap.ICTransistor/MosfetSwitchBGAConnectorSpringNutFuseChokeICTtestpointOthers钢网开孔规范RCLchip-0402ReturntoIndexPCBPadStencilAperture0.5mm0.44mm0.5mm0.44mm0.6mm0.635mm0.6mm0.6mm0.2mm0.2mm0.305mm倒R角倒R角ReturntoIndexRCLchip-0603PCBPadStencilAperture0.7mm(W)0.66mm0.7mm0.76mm0.8mm(L)1/3L1/3W0.8mmReturntoIndexRCLchip-0805PCBPadStencilAperture0.85mm0.94mm1mm1.34mm(L)1/3L1/3W1.34mm0.94mm(W)ReturntoIndexRCLchip-over0805PCBPadStencilApertureWLDDWL1/3W1/3LRCarraychipReturntoIndexPCBPadStencilAperture0.33mm0.76mm0.32mm0.285mm0.86mm0.65mm1.1mm0.3mm0.327mm1.1mm0.3mm倒R角倒R角Crystal(晶振)ReturntoIndexPCBPadStencilApertureLWLWLWLWDiode/TransistorReturntoIndexPCBPadStencilApertureLWLWWLWLTransistor/MosfetReturntoIndexPCBPadStencilAperture0.72mm(W)1.52mm(L)0.9mm0.5mmWL0.5mm0.534mm(W)1.75mm(L)1.95mm0.73mmTransistor/MosfetReturntoIndexPCBPadStencilAperture0.5mm(W)0.71mm(L)0.86mmW0.76mm(W)1mm(L)0.97mm0.5mmWL0.4mm0.4mm0.4mm0.4mmLEDReturntoIndexPCBPadStencilAperture1.2mm(L)1.02mm(W)0.4mm1.2mm0.55mm1/3L1/3W1.02mm1.5mm0.99mm0.89mm0.89mm1.5mm1.09mm0.84mm0.89mmTransformerReturntoIndexPCBPadStencilAperture1.2mm(L)0.28mm(W)1.4mm(L)0.28mm(W)倒R角IC-QFPReturntoIndexPCBPadStencilAperture0.4pitchQFP0.4mm(P)0.254mm(W)1.5mm(L)0.18mm0.22mm0.85mm0.5mm倒R角0.147mm0.165mm宽度(W)方向内切15%IC-QFPReturntoIndexPCBPadStencilAperture0.4pitchQFP0.4mm(P)0.23mm(W)1.5mm(L)0.187mm0.213mm0.85mm0.5mm倒R角0.173mm0.165mm宽度(W)方向内切10%IC-QFPReturntoIndexPCBPadStencilAperture0.4pitchQFP(E-PAD)0.4mm(P)0.23mm(W)1.5mm(L)0.187mm0.213mm0.85mm0.5mm倒R角0.173mm0.165mm宽度(W)方向内切10%QFP中间如有ground如有透气孔开口时要避开,并且开口面积要尽量50%groundpad.IC-QFPReturntoIndexPCBPadStencilAperture0.5pitchQFP倒R角0.218mm0.282mm0.5mm(P)1.5mm(L)0.246mm0.254mm(W)1.5mm(L)宽度(W)方向内切7%ReturntoIndexIC-QFNPCBPadStencilAperture0.5pitchQFN1mm(L)长度(L)方向外扩15%,内扩10%0.3mm(W)1.24mm0.23mm0.27mm架桥宽度0.5~0.8mm倒R角QFN中间ground如有透气孔开口时要避开,并且开口面积要尽量50%groundpad.ReturntoIndexIC-QFNPCBPadStencilAperture1.22mm0.23mm倒R角1.27mm(L)0.28mm(W)0.5mm(P)0.5pitchQFN0.25mm1.52mm长度(L)方向外扩15%,内扩10%0.27mmQFN中间ground如有透气孔开口时要避开,并且开口面积要尽量50%groundpad.ReturntoIndexIC-QFNPCBPadStencilAperture0.6mm(L)0.2mm(W)0.2mm(P)0.4pitchQFNQFN中间ground如有透气孔开口时要避开,并且开口面积要尽量50%groundpad.0.18mm倒R角L长度(L)方向1:1,宽度(W)方向内扩10%0.22mmReturntoIndexIC-SOPPCBPadStencilAperture倒R角0.3mm1.726mm1.726mm(L)0.3mm(W)0.335mmSwitchReturntoIndexPCBPadStencilAperture1.1mm(W)1.8mm(L)1.19mm0.46mm1.245mm2.05mm1.36mm0.6mm1.4mm(W)1.6mm(L)1.75mm1.4mmBGA-CPUSocketReturntoIndexPCBPadStencilAperture1.27mm(P)0.6mm0.66mmBGA-NBReturntoIndexPCBPadStencilAperture0.356mm(d3)0.3mm(d2)0.4mm(d1)d1=d2=d30.4mm(d3)0.4mm(d2)0.4mm(d1)0.356mm(d)0.4*0.4mm倒R角BGA-SBReturntoIndexPCBPadStencilAperture0.4mm(d)0.4*0.4mm倒R角0.456mm(d)0.5mmBGA-VGAReturntoIndexPCBPadStencilAperture0.356mm(d)0.4mm0.8mm(P)0.356mm(d)0.4*0.4mm倒R角Connector-DDRReturntoIndexPCBPadStencilAperture0.356mm(W)0.6mm(P)2mm(L)3.5mm4.6mm0.28mm0.32mm2.5mm长度(L)方向外扩0.6mm,内切0.1mm3.5mm4.6mm直径为2mm0.73mm倒R角Connector-MiniPCIReturntoIndexPCBPadStencilAperture2mm(L)0.19mm0.6mm(W)4mm3.2mm4mm3.2mm直径为1.5mm0.5mm2.2mm0.8mm倒R角ReturntoIndexConnector-CRTPCBPadStencilAperture1mmGap0.5mmGap0.37mm1.8mm1.15mm0.965mm0.18mm1.12mm1.6mmGAP0.24mm0.9mm1.6mm1.12mmReturntoIndexConnector-DVIPCBPadStencilAperture1.27mm0.6mm1.06mm1.45mm0.45mm0.35mm2.8mm3.5mm正面反面在固定PAD圆环位置开口加铺锡ReturntoIndexConnector-HDMIPCBPadStencilAperture1.9mm(L)0.3mmGap0.19mm0.2mmGap0.3mm2.25mm长度(L)方向外扩0.45mm,内切0.1mm0.86mmGap0.14mm1.48mm0.73mmGap0.27mmGap0.25mmReturntoIndexConnector-USBPCBPadStencilAperture1.32mm3.2mm1.72mm3.6mm1.32mm1.6*1.6mmReturntoIndexConnector-1394PCBPadStencilAperture反面上件1.12mmSS架桥0.4mm1.8mmCS0.65mm1.12mm3.0mm3.2mm1.8mm4.38mm2mm正面上件1.12mm3.95mm1.6mmReturntoIndexConnector-HDDPCBPadStencilAperture0.71mm(W)2.387mm(L)2.587mm0.7mm0.57mm外扩15%倒R角1.09mm0.185mm倒R角0.95mm1.7mmReturntoIndexConnector-ODDPCBPadStencilAperture1.06mm0.2mm1mm0.27mm1.5mm0.28mm1.6mm0.91mm0.28mm1.31mm1.2mm1.1*1.1mm0.65mm倒R角倒R角ReturntoIndexConnector-PhonejackPCBPadStencilAperture1.8mm2mm0.55mm1.5mm倒R角ReturntoIndexConnector-BatteryPCBPadStencilAperture1.4mm1.6mm2mm外扩40%倒R角ReturntoIndexConnector-FPCPCBPadStencilAperture1.65mm1.55mm(L)0.3mm(W)PAD长度方向(L)外扩0.15mm,内切0.05mm固定PAD1:1开0.23mm0.27mm固定PAD1:1开0.27mm1.85mm(L)0.38mm(W)0.5mm倒R角倒R角ReturntoIndexConnector-BTBPCBPadStencilAperture2mm0.76mm0.25mm0.6mm0.2mm1.95mm0.3mm长度(L)方向外扩0.25mm,内切0.3mm倒R角ReturntoIndexConnector-CardreaderPCBPadStencilAperture3mm2.38mm2.7mm(L)0.46mmGAP0.18mm0.56mm3.15mm3.5mm2.78mm0.6mm0.6mm长度(L)方向外扩0.45mmGAP0.4mmGAP0.38mmSpringReturntoIndexPCBPadStencilApertureLW0.25mm0.5mm+W0.5mm+LNUTReturntoIndexPCBPadStencilAperture3.24mm0.5mm7.5mm2mm2mm2.74mm1.85mm0.5mm7.95mm5.1mm1.45mmFuseReturntoIndexPCBPadStencilApertureLW1/3L1/3WLLWLW1/3WW1/3LChokeReturntoIndexPCBPadStencilAperture6.3mm(L)2.16mm(W)6.3mm2.06mm0.4mm1/3L1/3W4.6mm(L)3.81mm(W)0.254mm2.2mm5.2mm0.3mm1/3LWTantalum/ElectrolyticCap(钽/电解电容)ReturntoIndexPCBPadStencilAperture3.5mm(L)1.8mm(W)3.5mm0.05mm1.8mm0.254mm1/2W2.82mm(L)2.42mm(W)WL1/4W1/4LICTtestpadReturntoIndexPCBPadStencilApertu
本文标题:钢网开孔规范
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