{"title":"Stackable 0.100\" Female Header with Extra 0.3\" Spacer: 2x20-pin, Straight","handle":"stackable-0-100-female-header-with-extra-0-3-spacer-2x20-pin-straight","url":"/products/stackable-0-100-female-header-with-extra-0-3-spacer-2x20-pin-straight","description":"A 2×20-pin stackable female header designed for the Raspberry Pi GPIO. The extended pins allow HATs and add-on boards to be stacked while still providing access to all 40 GPIO pins for additional connections.\n\nThis version includes three removable 0.1\" spacers, giving it extra height to clear the tallest components on the Raspberry Pi 3, 4, and 5. The spacers can be repositioned or removed to adjust the clearance as needed.\n\nKey Features\n\n\nStackable Design – Extended pins pass through for additional boards\n\nAdjustable Height – Three 0.1\" spacers can be repositioned or removed\n\nRaspberry Pi Compatible – Matches the 2×20 GPIO header\n\nStandard 0.1\" Pitch – 2.54mm spacing fits breadboards and standard headers\n\n\nIdeal For\n\nStacking multiple HATs on Raspberry Pi\nCreating custom daughter boards\nPrototyping with GPIO access\nProjects requiring clearance over tall components\n\n\nCompatible With\n\nRaspberry Pi Model A+ and B+\nRaspberry Pi 2, 3, 4, and 5\nRaspberry Pi Zero / Zero W / Zero 2 W\nAny board with a 2×20 pin 0.1\" header\n\n\nSpecifications\n\n\nPins: 40 (2×20)\n\nPitch: 2.54mm (0.1\")\n\nTotal Height (A): 48.3mm\n\nStacking Height (B): 51.3mm\n\nHeader Height (H): 16.1mm\n\nPin Length Below (P): 7.1mm\n\nSpacers: 3× removable 0.1\" spacers\n\n\nPackage Contents\n\n1× Stackable 2×20-pin Female Header with spacers\n","vendor":"Pololu","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":14695,"title":"Default Title","sku":"PL-2749","price":5.27,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":22,"option1":"Default Title"}]}