Velleman projects K2543 Assembly instructions - Manual (Page 5)

5
 R1 : 330 (3 - 3 - 1 - B) (1W)
 R2 : 330 (3 - 3 - 1 - B) (1W)
 R3 : 150 (1 - 5 - 1 - B)
 R4 : 100 (1 - 0 - 1 - B)
 R5 : 150 (1 - 5 - 1 - B) (1W)
 R6 : 150 (1 - 5 - 1 - B) (1W)
 R7 : 150 (1 - 5 - 1 - B) (1W)
1. Resistors
R...
Construction
 C1 : 0,22µF/630VDC
C1
 D1 : 1N4007
 D2 : 1N4007
 D3 : 1N4007
 D4 : 1N4007
D... CATHODE
 ZD1 : 150V0
 ZD2 : 150V0
3. Zenerdiodes. Watch the
polarity !
C A T H O D E
Z D ...
6. Transistor T2 + heatsink

T1 : 2N2219A
5. Transistor T1
Insulated washer
Heatsink
Mica insulation
Transistor, metallic side
20mm M3 bolt
Plastic spacer
M3 nut
M3 serrated lock washer
4. Electrolytic Capacitor .
2. Diodes. Watch the polarity !
 T2 : TIP162 or BU931P