MCP6141-ISN MCP6141T-E/MS MCP6141T-E/OT MCP6141T-E/OT TEL:88834448 MCP6141T-E/OT 运放IC MCP6141T-E/OTVAO MCP6141T-E/SN MCP6141T-E/SNVAO MCP6141T-I/MS MCP6141T-I/OT