SC502 is a power supply, reset, and status card designed for Z50Bus.

Reference	Qty	Component
PCB	1	SC502, v1.0, PCB
C1 and C2	2	Capacitor, electrolytic 100 µF
C3 and C4	2	Capacitor, ceramic, 100 nF
C5	1	Capacitor, ceramic, 1 nF
D1	1	Diode, 1N4001
JP1	1	Wire link (eg. resistor offcut), or Header, male, 1 row x 3 pin, straight
JP2 plus JP3	1	Header, male, 2 row x 2 pin, angled
Jumper shunts	2	Jumper shunt
LED1, LED3, and LED5	3	LED, green, 3mm, angled
LED2 and LED4	2	LED, red, 3mm, angled
P1	1	Box header, 2 x 25 pin, angled, or Header, male, 2 row x 25 pin, angled
P2 and P3	2	Header, male, 2 row x 2 pin, angled
P4	1	Header, male, 1 row x 7 pin, straight optional, not included in the kit
R1 to R5	5	Resistor, 1k, 0.25W
R6	1	Resistor, 4k7, 0.25W
SK1	1	Socket, power, barrel, 2.1mm
ST1 and ST2	2	Screw terminal, 2 way, 5mm pitch
SW1	1	Switch, toggle, sub-miniature, SPDT
SW2 and SW3	2	Switch, tactile button, angled
U1	1	7805 regulator, 5V, 1A
U2	1	DS1233-5+ supervisor
U3	1	74HCT14
IC socket 14-pin U3	1	14-pin PDIP socket
Nut (for U1)	1	Nut, M3.5
Bold (for U1)	1	Bolt, M3.5, 10mm, pan head
Spacer	1	Spacer, 10mm, M3, nylon
Screw (for spacer)	1	Machine screw, 6mm, M3
Heatsink (for U1)	1	Heatsink TO-220, 19x20x9mm