Microsemi Corporation MLL52xxB - 500 mW GLASS SURFACE MOUNT ZENER DIODES www.DataSheet4U.com 1N5221UR thru 1N5281BUR, e3 (or MLL5221 thru MLL5281B, e3) SCOTT SDALE DIVISION 500 mW GLASS SURFACE MOUNT ZENER DIODES DESCRIP Rating: 1 ★ (3 votes)