Velleman projects K7302 Assembly instructions - Manual (Page 7)

7
 R1 : 120 (1 - 2 - 1 - B - 9).
2. 1/2W Resistor
R...
Construction
 D1 : 1N4007
1. Diode. Watch the polarity !
D... CATHODE
 LD1 : 3mm low current RED

REMARK: Depending on the
used housing, the LED can be
mounted at a higher position, to
make it visible through a hole in
the housing.
4. LED (check the polarity!)
The value of resistor R2 deter-
mines the charge current:
 R2
3. Resistor
R...
50mA 47 1/4W (4 - 7 - 0 - B)
100mA 18 1/4W (1 - 8 - 0 - B)
200mA 6,8 1/4W (6 - 8 - B - B)
300mA 3,9 1/2W (3 - 9 - B - B - 9)
400mA 2,7 1/2W (2 - 7 - B - B - 9)
:
:
:
:
:
LD...
CATHODE
10mm 17mm
 SK2 : +  SK3 : +
 SK2 : -  SK3 : -
To connect the input and
output wires via PCB
tabs, mount pins at posi-
tions SK2 and SK3
5. PCB pins
H7302IP'1.pub
page 7 Friday, July 06, 2012 14:20