Electronics Workshop

1. P-3: Introduction to
Various Electronics
Symbols
Compiled by: Prof. G.B.Rathod
EC Department, BVM Engineering College
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2. Electronics Symbols
International/National Standards
An electronic symbol is a pictogram used to represent various electrical and
electronic devices or functions, such as wires, batteries, resistors, and
transistors, in a schematic diagram of an electrical or electronic circuit.
The graphic symbols used for electrical components in circuit diagrams are
covered by national and international standards, in particular:
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3. Electronics Symbols
International/National Standnards
● IEC(International Electrotechnical Commission) 60617 (also known as British Standard
BS 3939).
● There is also IEC 61131-3 – for ladder-logic symbols.
● JIC JIC (Joint Industrial Council) symbols as approved and adopted by the NMTBA
(National Machine Tool Builders Association). They have been extracted from the
Appendix of the NMTBA Specification EGPl-1967.
● ANSI Y32.2-1975 (also known as IEEE Std 315-1975 or CSA Z99-1975).
● IEEE(Institute of Electrical and Electronics Engineers) Std 91/91a: graphic symbols for
logic functions (used in digital electronics). It is referenced in ANSI Y32.2/IEEE Std 315.
● Australian Standard AS 1102 (based on a slightly modified version of IEC 60617;
withdrawn without replacement with a recommendation to use IEC 60617).
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4. Traces
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5. Grounds
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6. Sources
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7. Sources
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8. Sources
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9. Resistors
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10. Capacitors
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11. Capacitors
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12. Diodes
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13. Diodes
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14. Diodes
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15. Diodes
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16. Inductors
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17. Transformers
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18. Transformers
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19. Transistors(Unipolar)
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20. Transistors(Unipolar)
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21. Transistors(Bipolar)
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22. Switches
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23. Switches
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24. Relays
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25. Lamps
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26. Lamps
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27. Currents limiters
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28. Electro-acoustic devices
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29. Antennas
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30. ICs
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