TEN 5-4821WI - 

Traco 3.96 to 6W DIP Single/Dual Output Regulated Isolated DC-DC Converter - TEN 5WI Series
The Traco Power TEN 5WI series is a range of isolated, 5 Watt, DC-DC converters in a DIP-24 package with industry-standard footprint. With their high efficiency these regulated converters allows an operating temperature range of -40°C to +70°C. The full SMD design of these high performance DC-DC converters guarantees high reliability. The TEN 5WI series comes with built-in EMI input filter and complies with EN 55022 Class A and FCC level A. Ideal applications of these DC-DC converters are in battery operated equipment, industrial process control systems, tele-data communication and any other application requiring very wide operating voltage range.