3. Recom Switching regulator, SMD, 0.5A, ROF-78E Series. The ROF-78E series is part of the Recom Innoline. This is a DC/DC converter, non isolated Switching Regulator. This Switching regulator features a low profile of only 4.5mm and a wide Input range 5Vdc to 36Vdc. The Recom ROF-78E DC/DC converter has an operating range from -40°C to +75°C and it ‘s cooled by free air convection. Low Profile 4.5mm Low Cost Wide Input Range (5V - 36V) Short Circuit, overload and over temperature protection No Load Input Current 5mA max Castellated Connections