Power derates above 70°C. Recom INNOLINE PCB Mount 0.5A Switching Regulator - R-78E Series. INNOLINE R-78E5.0 series PCB mount 0.5A switching regulator with single output and a high efficiency. These R-78E5.0 series PCB mount switching regulators are pin compatible with 78 series regulators. High efficiency of up to 92% at 7Vdc input Pin compatible with 78 series regulators 5V, 500mA output Short circuit protection