MCP6242-I/P MCP6242-I/SN MCP6242T-E/MS MCP6242T-E/MSVAO MCP6242T-E/SN MCP6242T-E/SN TEL:88834448 MCP6242T-I/MS MCP6242T-I/SN MCP6244-E/MS MCP6244-E/P