FAIRCHILD (ON SEMICONDUCTOR) 1N4742ATR 1N4742 Series 1 W 12 V 5 uA Axial Through Hole Zener Diode - DO-41 - 3000 item(s): Amazon.com: Industrial & Scientific
1N4742 Datasheet(PDF) - GOOD-ARK Electronics
Zener Diode - 1N4742 Zener Diode Manufacturer from New Delhi