Symbol |
Component name |
 |
Electrical Wire |
 |
Connected Wires |
 |
Not Connected Wires |
 |
SPST Toggle Switch |
 |
SPDT Toggle Switch |
 |
Pushbutton Switch (N.O) |
 |
Pushbutton Switch (N.C) |
 |
DIP Switch |
 |
SPST Relay |
 |
SPDT Relay |
 |
Jumper |
 |
Solder Bridge |
 |
Earth Ground |
 |
Chassis Ground |
 |
Digital / Common Ground |
 |
Resistor (IEEE) |
 |
Resistor (IEC) |
 |
Potentiometer (IEEE) |
 |
Potentiometer (IEC) |
 |
Variable Resistor / Rheostat (IEEE) |
 |
Variable Resistor / Rheostat (IEC) |
 |
Trimmer Resistor |
 |
Thermistor |
 |
Photoresistor / Light dependent resistor (LDR) |
 |
Capacitor |
 |
Polarized Capacitor |
 |
 |
Variable Capacitor |
 |
Inductor |
 |
Iron Core Inductor |
 |
Variable Inductor |
 |
Voltage Source |
 |
Current Source |
 |
AC Voltage Source |
 |
Generator |
 |
Battery Cell |
 |
Battery |
 |
Controlled Voltage Source |
 |
Controlled Current Source |
 |
Voltmeter |
 |
Ammeter |
 |
Ohmmeter |
 |
Wattmeter |
 |
Lamp / light bulb |
 |
Diode |
 |
Zener Diode |
 |
Schottky Diode |
 |
Varactor / Varicap Diode |
 |
Tunnel Diode |
 |
Light Emitting Diode (LED) |
 |
Photodiode |
 |
NPN Bipolar Transistor |
 |
PNP Bipolar Transistor |
 |
Darlington Transistor |
 |
JFET-N Transistor |
 |
JFET-P Transistor |
 |
MOSFET-N Transistor |
 |
MOSFET-P Transistor |
 |
Motor |
 |
Transformer |
 |
Fuse |
 |
Optocoupler / Opto-isolator |
 |
Loudspeaker |
 |
Microphone |
 |
Operational Amplifier |
 |
Schmitt Trigger |
 |
Microphone |
 |
Digital-to-Analog converter (DAC) |
 |
Crystal Oscillator |
 |
Antenna / aerial |
 |
Dipole Antenna |