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Battery / DC Source

Resistors

Potentiometer(variable resistance)

Lamp

On-Off Switch (SPST)

2-Way Switch (SPDT)

R = XX

R = XX

R = XX

R = XX

“Push to close” Switch

“Push to open” Switch

Buzzer

WIRING

wires connection dots coaxial cable

twisted pair shielded twisted pair

RESISTORS

resistors potentiometers rheostats

varistors fuses impedances

CAPACITORS

capacitors electrolytic capacitors

feedthroughcapacitors

X2Ycapacitors

3-leadcapacitors

4-leadcapacitors

CAPACITORScapacitorselectrolytic capacitors

feedthroughcapacitors

X2Ycapacitors

3-leadcapacitors

4-leadcapacitorsINDUCTORSinductors ferrite beads

iron-core inductors

common-mode chokes

INDUCTORS

inductors ferrite beads iron-core inductors

common-mode chokes

TRANSFORMERS

transformers auto-transformer variac Faraday-shieldedtransformerCRYSTALS

crystals

CONNECTORS

male pins female pins

POWER AND GROUNDS

digital ground

analogground

chassis ground

supply voltages

+XV+XV

+XV

+XV

batteries cells

SWITCHES AND RELAYS

switches normally-open contacts(form A)

normally-closedcontacts(form B)

break-before-make contacts(form C)

make-before-break contacts(form D)

DIODES

diodes zener diodes

BIPOLAR TRANSISTORS

NPN PNP NPN Darlington

PNP Darlington

MOSFET'S

N-channel enhancement-mode MOSFET

P-channel enhancement-mode MOSFET

N-channel depletion-mode MOSFET

THRISTORS

SCR's triacs GTO

JUNCTION FET'S

N-channel JFET's P-channel

JFET's

MISCELLANOUS TRANSISTORS

N-channel IGBT

P-channel IGBT

PUT unijunction transistor

LOGIC GATES

AND's OR's

NAND's NOR'sXOR's

inverters buffers Schmitt triggers

line driver

line receiver

FLIPFLOPS

R

D Q

Q

D flipflop

S

R

Q

Q

set-reset flipflop

T

Q

Q

toggle flipflop

ANALOG COMPONENTS

opamp or comparator

Norton amplifier

MISCELLANEOUS COMPONENTS

motor opto-isolator

SIGNAL SOURCES

DC voltage sources

DC current sources

AC voltage sources

Flip flop

JK Flip Flop

Inverted Op Amp non-inverted

Unity Gain Integrated Circuit

For VLSI:

Switches:

FETS: