Components List:
R1 = 15k?
R2,R3 = 3.3k? 1% R4 = 2.2M?
R5 = 1k?
P1 = 5k? preset
C1 = 22uF 25V, radial
D1 = MBR1645G (ON Semiconductor) D2 = LED, 5mm
IC1 = TL431ACLP (Texas instruments)
T1 = IRFZ44NPBF (International Rectifier)
T2 = 2SC1815 (Toshiba) (device is marked: C1815)
T3 = BC547
Miscellaneous:
K1,K2 = 2-way PCB terminal block, lead pitch 5mm