Part Number	Manufacturer / Brand	Brife Description
MJ4502	STMicroelectronics	COMPLEMENTARY HIGH POWER TRANSISTORS IC
MJ4502G	ON Semiconductor	TRANSISTOR PNP 100V 30A TO3
MJ4530FE-R52	Ohmite	Resistor 453 OHM 1/8W 1 AXIAL
MJ4531FE-R52	Ohmite	Resistor 4.53K OHM 1/8W 1 AXIAL