The TRN 3-4821 by Traco Power is a DC DC converter that belongs to the Power Supplies - Board Mount>DC DC Converters category of electronic components. It is an isolated module type device that comes in a 5-SIP Module case/package. The TRN 3-4821 has a voltage isolation of 1.6 kV and has two outputs with a maximum current output of 300mA each. It has a power rating of 3 W and an efficiency of 77%. The TRN 3-4821 is designed for use in ITE (Commercial) applications and can operate in a temperature range of -40°C to 85°C. The TRN 3-4821 is a highly durable and reliable component that can be used in various electronic devices.