7815 +15Volt (+/- 2%) Voltage regulator by RS Components. Package: TO-220 RS Components stock number: 305-901 ( AKA: national LM7815C) Download National Semiconductor LM7815C datasheet: Status: NOS (New Old Stock) in original unopened RS Components wrappers. Component simply marked RS7815, comes as a kit complete with insulating bush and mica insulating washer. RoHS compliant : no