R-78E3.3-0.5 DC-DC Converter by Recom. Package: SIL-3 , brick (W x L x H ) 11.6 x 8.5 x 10.4 mm Input voltage: 6 ~ 28 V dc Output: Voltage: 3.3 V dc Output current : 500 mA (Max) Download Recom R-78E3.3-0.5 .pdf datasheet: Status: NOS (New Old Stock) supplied in original tubes RoHS compliant: YES