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Adafruit Perma-Proto Breadboard PCB - 3 Pack! – Quarter size

by Adafruit

This proto-board is the PCB you always wish you had, but never realized it! Adafruit took the basic layout of a quarter-sized breadboard (basically, a 'tiny' breadboard plus power rails) and turned that into a beautiful PCB.

The top side has a white silkscreen, and the same markings you're familiar with, to make transferring components easy.

The bottom has the 5-hole pad design that matches a classic breadboard, with 4 power bus lines on the sides, and no mask so you can easily cut traces when necessary.

They used 1.2mm diameter drill holes so even parts with big leads will fit. All holes are  thru-plated for strength - these wont peel off with rework. The finish is a gold plate -  you won't get oxidation like with bare copper perf ! There are also two mounting holes so you can attach the PCB to your project box.

TECHNICAL DETAILS

  • 15 rows (quarter size) / 30 rows (half size) / 60 rows (full size) of double 5-hole rows
  • 4 power rails with positive/negative markings
  • Dimensions:
    • 1.7" x 2.0" (44mm x 55mm), 0.063" thick FR4 - Quarter size
    • 3.2" x 2.0" (81mm x 51mm), 0.063" thick FR4 - Half size
    • 158mm x 51mm x 1.7mm / 6.2" x 2.0" x 0.1" - Full size
  • 1.2mm / 0.047" drill holes
  • 2 x 0.125" or 3.2mm mounting holes