555 Timer IC

20k Ohms 1/2W Trimmer Potentiometer Top Adjustment

Zener Diode ±2 % 500 mW Through Hole 2-Pin SOD27 (DO-35)

1/4W metal film resistor, 1% tolerance.

DARLINGTON 5 AMPERE COMPLEMENTARY SILICON POWER TRANSISTORS

1000V 1A, Diode, 2-Pin DO-41 1N4007

50k Ohms 1/2W Trimmer Potentiometer Top Adjustment

MOSFET 55Volt 98Amp N-CHANNEL

General purpose Zener diode. Rated at 3W, This Zener is perfect for circuit protection and power supply reference designs.