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JM-20 Sn63/Pb37 - 0.4 mm No Clean Leaded Flux Cored Solder Wire - PCBASupplies

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JM-20 Sn63/Pb37 - 1.6 mm No Clean Leaded Flux Cored Solder Wire - PCBASupplies

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JM-20 Sn63/Pb37 - 1.6 mm No Clean Leaded Flux Cored Solder Wire - PCBASupplies Login Create Account Contact View My Cart Menu

JM-20 Sn63/Pb37 - 0.3 mm No Clean Leaded Flux Cored Solder Wire - PCBASupplies

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JM-20 Sn63/Pb37 - 0.3 mm No Clean Leaded Flux Cored Solder Wire - PCBASupplies Login Create Account Contact View My Cart Menu

JM-20 Sn63/Pb37 - 0.6 mm No Clean Leaded Flux Cored Solder Wire - PCBASupplies

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JM-20 Sn63/Pb37 - 0.6 mm No Clean Leaded Flux Cored Solder Wire - PCBASupplies Login Create Account Contact View My Cart Menu

JM-20 Sn63/Pb37 - 0.8 mm No Clean Leaded Flux Cored Solder Wire - PCBASupplies

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JM-20 Sn63/Pb37 - 0.8 mm No Clean Leaded Flux Cored Solder Wire - PCBASupplies Login Create Account Contact View My Cart Menu

JM-20 Sn63/Pb37 - 1.0 mm No Clean Leaded Flux Cored Solder Wire - PCBASupplies

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PCB Libraries Forum : smallest via hole that can use a +/- 3 mils

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_smallest-via-hole-that-can-use-a-3-mils_topic2497.xml

. Then after the drill oversize and the layer to layer tolerance you still need to have 1 mil annular ring. IPC Class 3Hole = 8 mil (0.20 mm)Pad = 20 mil (0.50 mm)IPC Class 2Hole = 8 mil (0.20 mm)Pad = 18 mil (0.45 mm)The via hole tolerance would be

PCB Libraries, Inc.

smallest via hole that can use a +/- 3 mils - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/smallest-via-hole-that-can-use-a-3-mils_topic2497_post10288.html

.  Then after the drill oversize and the layer to layer tolerance you still need to have 1 mil annular ring.  IPC Class 3 Hole = 8 mil (0.20 mm) Pad = 20 mil (0.50 mm) IPC Class 2 Hole = 8 mil (0.20 mm) Pad = 18 mil (0.45 mm) The via hole tolerance would be

PCB Libraries, Inc.

smallest via hole that can use a +/- 3 mils - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/smallest-via-hole-that-can-use-a-3-mils_topic2497_post10288.html

.  Then after the drill oversize and the layer to layer tolerance you still need to have 1 mil annular ring.  IPC Class 3 Hole = 8 mil (0.20 mm) Pad = 20 mil (0.50 mm) IPC Class 2 Hole = 8 mil (0.20 mm) Pad = 18 mil (0.45 mm) The via hole tolerance would be

PCB Libraries, Inc.