Basic Electronic Symbols of active components

Basic Electrical and Electronic Symbols 

Basic symbols of active components

https://www.electrical-symbols.com/electronic-electrical-symbols/basic-electrical-electronic-symbols.htm#symbols_active_components

Basic symbols of passive electronic components

https://www.electrical-symbols.com/electronic-electrical-symbols/basic-electrical-electronic-symbols.htm#symbols_passive_components

Basic Electrical and Electronic Symbols

Summary of main Basic Electrical Symbols and Electronic Symbols

https://www.electrical-symbols.com/electronic-electrical-symbols/basic-electrical-electronic-symbols.htm

Electrical Symbols & Electronic Symbols in PDF

The largest collection of symbols in the network in PDF format. For consultation and interpretation of components, devices and electrical and electronic circuit

https://www.electrical-symbols.com/electronic-electrical-symbols/electrical-electronic-symbols-PDF.htm

Other Electrical & Electronic Symbols - Miscellaneous

https://www.electrical-symbols.com/electric-electronic-symbols/miscellaneous-electronic-electrical-symbols.htm

Symbols of Sockets of Vacuum Tubes

https://www.electrical-symbols.com/electric-electronic-symbols/vacuum-tubes-symbols.htm#symbols_sockets_vacuum_tubes

Pinout Vacuum Tubes

https://www.electrical-symbols.com/electric-electronic-symbols/vacuum-tubes-symbols.htm#pinout_contact_vacuum_tubes

Basic Elements Symbols of Vacuum Tubes

https://www.electrical-symbols.com/electric-electronic-symbols/vacuum-tubes-symbols.htm#basic_elements_symbols

Vacuum Tube Symbols

Electronic tube in which it is applied a high enough pressure so that its electrical properties are not substantially modified by the ionization of residual gas or vapor. Also known as valveor tube.

https://www.electrical-symbols.com/electric-electronic-symbols/vacuum-tubes-symbols.htm

Symbols of Transistors MOSFET and IGFET

Transistors of field effect (MOSFET and IGFET) are transistors constituted by a filament generally made of semiconductor silicon, called channel, and an associate diode called door. 
These symbols can be represented inside a circle.

https://www.electrical-symbols.com/electric-electronic-symbols/transistor-mosfet-symbols.htm

Waveguides Symbols

A waveguide is a physical structure through which energy is transmitted in the form of electromagnetic waves. The modes of propagation depend on the wavelength, the polarization and the dimensions of the guide.

https://www.electrical-symbols.com/electric-electronic-symbols/waveguides-symbols.htm

Symbols in Security Systems

The security systems are devices designed to detect and warn of any situation that is considered abnormal for the user, such as the intrusion of people, fires, presence of toxic elements ...

https://www.electrical-symbols.com/electric-electronic-symbols/security-systems-symbols.htm

Transistor Symbols

The Transistor is a device semiconductor provided with three terminals called base, issuer and collector. It is used to work in electronic circuits as rectifier, amplifier, switch...
These symbols can be represented inside a circle.

https://www.electrical-symbols.com/electric-electronic-symbols/transistor-symbols.htm

Morse Code Symbology

https://www.electrical-symbols.com/electric-electronic-symbols/telegraphy-symbols.htm#morse_code_symbology

Telegraphy Symbols

The telegraph is an ancient system of transmission of messages over long distances, using a Morse code. Originally the medium used for the transmission of electrical impulses were cables and later through radio signals.

https://www.electrical-symbols.com/electric-electronic-symbols/telegraphy-symbols.htm

Symbols of Switches of Step in Two-Position

https://www.electrical-symbols.com/electric-electronic-symbols/switch-symbols.htm#symbols_switches_step_two-position

Symbols of Operation Switches with Advanced or Delayed

https://www.electrical-symbols.com/electric-electronic-symbols/switch-symbols.htm#operation_switch_symbols_advanced_delayed

Symbols of Position Switches

https://www.electrical-symbols.com/electric-electronic-symbols/switch-symbols.htm#symbols_position_switches

Disconnectors / Unipolar Switch Symbols

https://www.electrical-symbols.com/electric-electronic-symbols/switch-symbols.htm#symbols_disconnectors_switches_unipolar

Symbols of Switches of Two and Three Positions

https://www.electrical-symbols.com/electric-electronic-symbols/switch-symbols.htm#symbols_switches_two_three_positions