Elenco Electronics AM/FM-108CK Assembly And Instruction Manual page 3

IDENTIFYING RESISTOR VALUES
Use the following information as a guide in properly identifying the value of resistors.
BAND 1 BAND 2
1st Digit 2nd Digit
Color Digit Color
Black 0 Black
1
Brown Brown
Red 2 Red
Orange 3 Orange
Yellow 4 Yellow
Green 5 Green
Blue 6 Blue
Violet 7 Violet
Gray 8 Gray
White 9 White
IDENTIFYING CAPACITOR VALUES
Capacitors will be identified by their capacitance value in pF (picofarads), nF (nanofarads), or μF (microfarads).
Most capacitors will have their actual value printed on them. Some capacitors may have their value printed in
the following manner. The maximum operating voltage may also be printed on the capacitor.
Electrolytic capacitors have a positive
and a negative electrode. The
negative lead is indicated on the
packaging by a stripe with minus
signs and possibly arrowheads.
Warning:
If the capacitor
is connected
with incorrect
polarity, it may
heat up and
either leak, or
cause the
capacitor to
explode.
METRIC UNITS AND CONVERSIONS
Abbreviation Means
p Pico
n nano
μ
micro
m milli
– unit
k kilo
M mega
Multiplier
Digit Color Multiplier
0 Black
1 Brown
2 Red
3 Orange 1,000
4 Yellow 10,000
5 Green 100,000
6 Blue 1,000,000
7 Silver
8 Gold
9
Multiplier
Second Digit
First Digit
*
The letter M indicates a tolerance of +20%
Polarity
The letter K indicates a tolerance of +10%
Marking
The letter J indicates a tolerance of +5%
Multiply Unit By
.000000000001
.000000001
.000001
.001
1
1,000
1,000,000
Resistance
Tolerance
Color Tolerance
1 Silver ±10%
10 Gold ±5%
100 Brown ±1%
Red ±2%
Orange ±3%
Green ±0.5%
Blue ±0.25%
0.01 Violet ±0.1%
0.1
For the No. 0
Multiply By 1
Multiplier
103K
Tolerance*
100V
Maximum Working Voltage
The value is 10 x 1,000 =
10,000pF or .01μF 100V
Or 1. 1,000 pico units
10 -12
2. 1,000 nano units
10 -9
3. 1,000 micro units = 1 milli unit
10 -6
10
-3
4. 1,000 milli units
10 0
5. 1,000 units = 1 kilo unit
10 3
6. 1,000 kilo units
10 6
-2-
BANDS
1 2 Multiplier
1 2 3 4 5
10 100 1k 10k 100k .01
Note:
may be used at times
to signify a decimal
point; as in 3R3 = 3.3
= 1 nano unit
= 1 micro unit
= 1 unit
= 1 mega unit
Tolerance
8 9
0.1
The letter "R"