钢网开孔规范课件.ppt

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1、RCchipRCarrayCrystalDiodeLEDTransformerT/ECap.ICTransistor/MosfetSwitchBGAConnectorSpringNutFuseChokeICTtestpointOthers钢网开孔规范RCLchip-0402ReturntoIndex0.5mm0.44mm0.5mm0.44mm0.6mm0.635mm0.6mm0.6mm0.2mm0.2mm0.305mm倒R角倒R角ReturntoIndexRCLchip-06030.7mm（W）0.66mm0.7mm0.7

2、6mm0.8mm（L）1/3L1/3W0.8mmReturntoIndexRCLchip-08050.85mm0.94mm1mm1.34mm（L）1/3L1/3W1.34mm0.94mm（W）ReturntoIndexRCLchip-over0805WLDDWL1/3W1/3LRCarraychipReturntoIndex0.33mm0.76mm0.32mm0.285mm0.86mm0.65mm1.1mm0.3mm0.327mm1.1mm0.3mm倒R角倒R角Crystal(晶振)ReturntoIndexLWLWLWL

3、WDiode/TransistorReturntoIndexLWLWWLWLTransistor/MosfetReturntoIndex0.72mm(W)1.52mm(L)0.9mm0.5mmWL0.5mm0.534mm(W)1.75mm(L)1.95mm0.73mmTransistor/MosfetReturntoIndex0.5mm(W)0.71mm(L)0.86mmW0.76mm(W)1mm(L)0.97mm0.5mmWL0.4mm0.4mm0.4mm0.4mmLEDReturntoIndex1.2mm(L)1.02

4、mm(W)0.4mm1.2mm0.55mm1/3L1/3W1.02mm1.5mm0.99mm0.89mm0.89mm1.5mm1.09mm0.84mm0.89mmTransformerReturntoIndex1.2mm(L)0.28mm(W)1.4mm(L)0.28mm(W)倒R角IC-QFPReturntoIndex0.4pitchQFP0.4mm(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-QFPReturnto

5、Index0.4pitchQFP0.4mm(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-QFPReturntoIndex0.4pitchQFP（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-QF

6、PReturntoIndex0.5pitchQFP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-QFN0.5pitchQFN1mm(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-QFN1.22mm0.2

7、3mm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-QFN0.6mm(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%0.22mm

8、ReturntoIndexIC-SOP倒R角0.3mm1.726mm1.726mm(L)0.3mm(W)0.335mmSwitchReturntoIndex1.1mm(W)1.8mm(L)1.19mm0.46mm1.245mm2.05mm1.36mm0.6mm1.4mm(W)1.6mm(L)1.75mm