Parts :
Parts
Description
C1
100nF 250V Polyester Capacitor
C2, C3
1000uF 25V Electrolytic Capacitor
C4, C5,
100uF 25V Electrolytic Capacitor
Sw1
SPST
Sw2
SPDT
PL
Male Mains Plug
T
220V or 120V primary, 18V Center-tapped Secondary 500mA Mains transformer
F
100mA Fuse
DB
Bridge Diode 1A
IC1
7812 (see Notes)
IC2
7912 (see Notes)
MISC
Heatsink for IC
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Parts :
Parts
Description
C1
100nF 250V Polyester Capacitor
C2, C3
1000uF 25V Electrolytic Capacitor
C4, C5,
100uF 25V Electrolytic Capacitor
Sw1
SPST
Sw2
SPDT
PL
Male Mains Plug
T
220V or 120V primary, 18V Secondary 500mA Mains transformer
F
100mA Fuse
DB
Bridge Diode 1A
IC1
7812 (see Notes)
MISC
Heatsink for IC
For other Voltage Output, change IC1 with :
Voltage Output
IC1
3V
7803
5V
7805
9V
7809
15V
7815
etc
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Parts :
Parts
Description
R1, R2
1 K Ohm ¼ Watt
C1
100nF 250V Polyester Capacitor
C2, C3
1000uF 25V Electrolytic Capacitor
C4, C5, C6, C7
100uF 16V Electrolytic Capacitor
Sw1
SPST
Sw2
SPDT
PL
Male Mains Plug
T
220V or 120V primary, 15V Center-tapped Secondary 500mA Mains transformer
F
250mA Fuse
DB
Bridge Diode 1A
D1, D2
BZY88 12V Zener Diode
Q
2N3055 NPN Transistor
MISC
Heatsink for Q
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Parts :
Parts
Description
R1
270 Ohm ¼ Watt
C1
100nF 250V Polyester Capacitor
C2
1000uF 25V Electrolytic Capacitor
Sw1
SPST
Sw2
SPDT
PL
Male Mains Plug
T
220V or 120V primary, 20V Center-tapped Secondary 3A Mains transformer (see Notes)
F
2A Fuse (see Notes)
D1, D2
IN5401 (see Notes)
D3
BZY88 12V Zener Diode (see Notes)
Q
2N3055 NPN Transistor (see Notes)
MISC
Heatsink for Q
Lp
12V 0.006A DC [...]
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Parts :
Parts
Description
C1
100nF 250V Polyester Capacitor
C2
1000uF 25V Electrolytic Capacitor
Sw1
SPST
Sw2
SPDT
PL
Male Mains Plug
T
220V or 120V primary, 12V Secondary 2A Mains transformer
F
1A Fuse
DB
Bridge Diode 2A
Lp
12V 0.006A DC Lamp
Parts :
Parts
Description
C1
100nF 250V Polyester Capacitor
C2
1000uF 25V Electrolytic Capacitor
Sw1
SPST
Sw2
SPDT
PL
Male Mains Plug
T
220V or 120V primary, 12V Center-tapped Secondary 2A Mains transformer
F
1A Fuse
D1, D2
IN5402
Lp
12V 0.006A DC Lamp
We [...]
Filed under: Power Supply | Leave a Comment »
