The PCB board has two sides, A side and B side, and can be used to convert SOT23 (pin pitch 0.95mm) to SIP3 (2.54mm pin pitch). The PCB board features a 2.54mm pitch pin header and can be plugged directly into a 2.54mm PCB board or breadboard. SOT23 (pitch 0.95mm) to SIP3 (2.54mm pin pitch). Product parameters: Size: 7.5 x 10mm Hole distance: 2.54mm Aperture: 1.0mm Plate thickness: 1.6mm Type: Integrated Circuits Model Number: SOT23 SOT23-3 Color: Green Material: FR-4 glass fiber board Package Contents: 20 x SMD SOT23-3 to DIP SIP3 Adapter Only the above package content is included; other products are not included. Note: Lighting and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3cm.