NTE Electronics 1N4002 Standard Recovery Rectifier Diode, General Purpose, Single, 1.0 A, 100V (Pack of 20): Transistors: Amazon.com: Industrial & Scientific
Pack of 100 Pieces) Chanzon 1N60 Schottky Diodes 30mA 40V DO-35 (DO-204AH) Axial IN60 30 mA 40 Volt Small Signal Switching Diode for TV AM/FM: Amazon.com: Industrial & Scientific