WWW.Microsemi .COM SCOTTSDALE DIVISION 1N4099UR .
1N4128UR - ZENER DIODES
1N4128UR-1 - METALLURGICALLY BONDED GLASS SURFACE MOUNT 0.5 WATT ZENERS
1N4128UR - GLASS SURFACE MOUNT 0.5 WATT ZENERS
1N4128UR-1 - Low Noise Zener Diode