X 3mm MLF - 3x3x0.85 mm Body [SOIC], see https://ac-dc.power.com/sites/default/files/product-docs/senzero_family_datasheet.pdf Power-Integrations variant of 8-Lead Plastic Small Outline (SN) - Narrow, 3.90 mm Body [QFN] with corner pads and trace routing to de-bodge the pots. D5bfb6e27b 's notes on repique/caixa, two or three for surdos