Most hobby and small-batch circuits don't need a full 300mm square. This 150 × 150mm single-sided board gives you enough copper to etch, drill and solder a compact layout without wasting material. Same FR4 substrate (TG130, UL94VO) and 0.035mm electrodeposited copper as the larger sheets, so your etchant chemistry and solder joints behave exactly the same. Total thickness 1.61mm. If you've got a tighter footprint, the HP9514 at 150 × 75mm is the next size down
| brand | Jaycar |
| sku | HP9512 |
| dimensions | 150 x 150mm |
| sidedness | Single-sided |
| substrate | FR4, TG130, UL94VO |
| copper_thickness | 0.035mm |
| copper_type | Electrodeposited (ED) |
| substrate_thickness | 1.575mm (62thou) |
| total_thickness | 1.61mm |
| copper_weight | 1oz |