QFN-20 Breakout Board (4x4 mm, 0.5 mm)

IC Breakout, LLC

SKU: ICB00250

This is a breakout board designed for the QFN-20 type SMD packages.  Some QFN types you may be able to use with this board are QFN, QFN-TEP, DQFN, TQFN, VQFN, HUQFN, HVQFN, HWQFN, HXQFN, XQFN.  Make sure to check measurements of your part first (pitch and body are the most important to know).
Designed to fit standard breadboards for testing small IC's and prototyping projects.


Manufacturer: IC Breakout, LLCQFN-20_measurement
Manufacturer Part Number: ICB00250
Parts on board: None
Parts included: 20-PIN Header (break-away)

Key Specifications/Technical Details

  • Pitch - 0.5 mm
  • Body - 4 mm x 4 mm
  • Thermal pad - 2 mm x 2 mm
  • 100 mil (0.24 mm) standard through holes
  • 300 mil spacing between through holes
  • 10 mil traces
  • All trace lengths, under 500 mil
  • 1 oz copper
  • Finish: Immersion Gold
  • E-tested  PCB for failures


  • White silk "Label Pad" area
  • Pin 1 designator
  • Extended through hole pads
  • Pin numbers on each pin