-2-
IDENTIFYING RESISTOR VALUES
Use the following information as a guide in properly identifying the value of resistors.
BAND 1
1st Digit
Color
Digit
Black
0
Brown
1
Red
2
Orange
3
Yellow
4
Green
5
Blue
6
Violet
7
Gray
8
White
9
BAND 2
2nd Digit
Color
Digit
Black
0
Brown
1
Red
2
Orange
3
Yellow
4
Green
5
Blue
6
Violet
7
Gray
8
White
9
Multiplier
Color
Multiplier
Black
1
Brown
10
Red
100
Orange
1,000
Yellow
10,000
Green
100,000
Blue
1,000,000
Silver
0.01
Gold
0.1
Resistance
Tolerance
Color
Tolerance
Silver
+10%
Gold
+5%
Brown
+1%
Red
+2%
Orange
+3%
Green
+.5%
Blue
+.25%
Violet
+.1%
Bands
1
2
Multiplier
Tolerance
IDENTIFYING CAPACITOR VALUES
Capacitors will be identified by their capacitance value in pF (picofarads), nF (nanofarads), or
µ
F (microfarads).
Most
capacitors will have their actual value printed on them. Some capacitors may have their value printed in the following manner.
Resistors
Capacitors
PARTS IDENTIFICATION
Switch
Speaker
Discap
Diodes
Epoxy
Glass
Integrated Circuit (IC)
IC Socket
LEDs
Yellow
Integrated Circuits
Green
Red
Tip
Tubing
Top Cover
Bottom Cover
Power Cord
Label
PC
Board
+
Electrolytic
The value is 10 x 1,000 =
10,000pF or .01
µ
F 100V
The letter M indicates a tolerance of +20%
The letter K indicates a tolerance of +10%
The letter J indicates a tolerance of +5%
Note:
The letter “R” may be used at times to
signify a decimal point; as in 3R3 = 3.3
Second Digit
First Digit
Multiplier
Tolerance
103K
100V
Maximum Working Voltage
For the No.
0
1
2
3
4
5
8
9
Multiply By
1
10
100
1k
10k 100k .01
0.1
Multiplier
