Check the listing for details. QFN-24 Breakout Board (4 x 4 mm, 0.5 mm). Condition: New. Listed at 5.95 USD. This is a breakout board that was designed to be a DIP adapter for the QFN-24 type SMD packages. Some of the QFN types that can be used with this board include: QFN, QFN-TEP, DQFN, TQFN, VQFN, HUQFN, HVQFN, HWQFN, HXQFN, XQFN. Technical Details Footprint Dimensions Body (mm): 4 x 4 Pitch (mm): 0.5 Thermal Pad (mm): 2.70 x 2.70 Breakout Board Dimensions Board Dimensions (mil): 420 x 1200 Board Thickness (mil): 62 Through-Hole Spacing (mil): 300 mil (X-axis) 100 mil (Y-axis) Breakout Board Specifications Board Layers: 2 Finish: Immersion Gold Copper: 1 oz Traces (mil) 10 Trace Lengths (mil): < /> Pin/Through-Hole Count: 24 What's Included? Parts Installed on Board: None Parts Included (but not installed): 24 PIN Break Away Header (Straight) Additional Features Easily identifiable PIN 1 indicator and PIN numbers White silk “Label Pads” allow you to label the pins for quick reference Extended through-hole pads make for an easy connection point for surface mount parts Breadboard friendly pin spacing All boards have been E-tested for failures and are RoHS compliant