The popular 1N5985UR thru 1N6031BUR (or MLL5985 thru MLL6031B) series of 0.5 watt Zener Voltage Regulators provides selection from 2.4 to 200 volts in standard 5% or 10% tolerances as well as tighter tolerances identified by different suffix letters on the part number. These glass surface mount DO-213AA Zeners are also available with an internal metallurgical bond option by adding a "-1" suffix (see separate data sheet) including various equivalent military screening levels as described in the Features section. Microsemi also offers numerous other Zener products to meet higher and lower power applications.