Electronic Component Symbol.


Surface Mount Device identification.


Circuit symbols by poptronix.


Electronic symbol library.


Electronic component template.


Dr Bob’s Electronic Resource on schematic symbol and components outline.


Electronic symbols.


Reading schematic diagram.


Schematic symbols.


Transistor / diode / IC outline.


Surface Mount (SMD) Transistor / Diode FAQ.


Transistor Info.


Transistor marking codes.


Abbreviations used in Electronics.


About the differences between the TTL families.




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