EECAD Guidelines & Standards
JLAB Standard Hole sizes for Accel EDA
| Finished Hole Size | Suggested usage *: |
| 0.018 | Vias |
| 0.028 | Vias |
| 0.032 | IC s, 1/8W & 1/4W resistors, some caps & diodes |
| 0.038 | IC s, 1/4W & 1/2W resistors, some caps & diodes |
| 0.042 | 1W & 2W resistors, some diodes & caps |
| 0.046 | TO-220 pkg |
| 0.055 | some connectors |
| 0.063 | some connectors |
| 0.067 | some connectors |
| 0.125 | TO-220 pkg mtg |
* These are guidelines only! Refer to the manufacturers spec sheets for recommended hole sizes or lead diameters.