suppliestech ElectronicComponents

Buzzer Loudspeaker

Lamp

Motor

Relay

Switch (latching)

Light dependent resistor

Microphone Thermistor

Photodiode

Switch (non-latching)

Piezo sounder

Solenoid

Light emitting diode (LED)

NPN transistor PNP transistor

Thyristor

Schmitt inverter

NAND gate

NOR gate

XOR gateNOT gate

OR gate

AND gate

Operational amplifier

Field effect transistor (FET)

Primary cell Battery

Transformer

Fuse

OFF600200

20

2000m

V V600200

A200µ

Voltmeter

Resistor

Potentiometer

Capacitor (polarised)Capacitor

Variable resistor

Ceramic resonator

OFF600200

20

2000m

V V600200

A200µ

Earth

a.c. supply

Zener diodeSemiconductor diode

M

Pictures and symbols

3V

-

+

A V

+

0 0 Silver ±10%Black

1 1Brown

2 2

Black x1

Red

3 3

Brown x10

Orange

4 4

Red x100

Yellow

5 5

Orange x1000

Green

6 6

Yellow x10,000

Blue

7 7

Green x100,000

Violet

8 8

Blue x1,000,000

Grey

9 9White

Example shown:

blue, grey, brown, gold

= 680R ±5%

Gold ±5%

Resi

stor

col

our

code

s

M mega 1 000 000 (106)k kilo 1000 (103)m milli 0.001 (10-3)µ micro 0.000 001 (10-6)

Multiplication factors and symbols

Ammeter