MCP2542WFD-H/SN MCP2542WFDT-E/MF MCP2542WFDT-E/MNY MCP2542WFDT-E/SN MCP2542WFDT-H/MF MCP2542WFDT-H/MNY MCP2542WFDT-H/SN MCP2544FD-E/MF MCP2544FD-E/SN MCP2544FD-E/SNVAO