3B Scientific Basic Experiment Board (115 V, 50__60 Hz) User Manual
Page 6
2
3. Description
The experiment board is equipped with the following components:
Symbol Terminals
Item
Technical
data
X1
1-5
Connection for mains power supply
8 V AC / 0.5 A
F1
Fuse (Multifuse)
0.8 A
V1-V4 1-5 Rectifier
(half-wave/full-wave)
R1
1-5
Basic load resistor
10 k
Ω
S3
3-5
Switch for starting smoothing capaci-
tor C1
C1
4,5
Smoothing capacitor
1000 µF (electrolyte)
S1,S2 6-10 Switch
LAMP 1-3
11-16
Incandescent lamps
12 V / 0.1 A / 1.2 W
17-19,
49-54
Junctions
R2
20, 21
Resistor (colour code concealed)
6.8 K
Ω
R3 22,
23
Resistor
3.3 K
Ω
R4,R5 24-27 Resistors
1 K
Ω
R6,R7 28-31 Resistors
330
Ω
R8,R9 32-35 Resistors
100
Ω
R10 45,
46
Resistor
10 K
Ω
R11 47,
48
Resistor
100 K
Ω
R12
63, 64
Series resistor for diode V5
1 K
Ω
R13
66, 67
Series resistor for zener diode V6
100
Ω
R14
69, 70
Series resistor for LED V7
1 K
Ω
R15 36-38
Potentiometer
1 K
Ω