Version 0.3
For examination from 2020.
Electrical and electronic
symbols list
Cambridge IGCSE® and
Cambridge IGCSE® (9–1)
Cambridge IGCSE and Cambridge IGCSE (9–1) Design & Technology 0445, 0979 Electronic and electrical symbols list.
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A
M
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V
Primary or
secondary cell Terminal ac supply Ammeter Voltmeter Motor
Junction of conductors
Double junction
Crossing of conductors with
no electrical
connection Frame Earth Fuse
Coil
Single pole double throw switch
Together make an SPDT relay Switch Break contact
Make contact
spring return Capacitor
Polarised capacitor
Resistor Thermistor
Light dependent resistor (LDR) Variable
resistor Potentiometer
Semiconductor diode
Light emitting
diode (LED) Photodiode
AND NAND OR NOR NOT (inverter) Schmitt inverter
NPN transistor PNP transistor
Operational amplifier