Symbol
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Description
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Remarks
|
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Wire
|
|
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Crossing wires, no connection!
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Favored symbol, to aviod mix-up with joined wires.
|
|
Crossing wires, no connection!
|
|
|
Wires joined
|
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Constant resistor
|
Favored symbol
|
|
Constant resistor
|
Old symbol (sometimes still used in the USA)
|
|
Potentiometer - Adjustable resistor
|
|
|
Connecting terminal
|
|
|
DC voltage source
|
The arrow points from positive to negative
|
|
Inductor
|
Old symbol
|
|
Inductor
|
New symbol
|
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Capacitor
|
|
|
Electrolytic capacitor
|
Consider the polarity of this device
|
|
On-Off switch
|
|
|
Push switch
|
Push to make
|
|
NPN Transistor
|
|
|
PNP Transistor
|
|
|
MOSFET n-channel
|
normally conductive
ON while no voltage at gate
|
|
MOSFET p-channel
|
normally conductive
ON while no voltage at gate
|
|
MOSFET n-channel
|
normally insulated
OFF while no voltage at gate
|
|
MOSFET p-channel
|
normally insulated
OFF while no voltage at gate
|
|
JFET n-channel
|
Junction Field Effect Transistor
|
|
JFET p-channel
|
Junction Field Effect Transistor
|
|
NPN-Phototransistor
|
Light sensitive transistor
|
|
PNP-Phototransistor
|
Light sensitive transistor
|
|
Diode
|
|
|
Light sensitive diode
|
|
|
LED - Light Emitting Diode
|
|
|
Zener diode
|
Used in reverse bias to stabilize voltage.
|
|
Electric motor
|
|
|
Crystal oscillator
|
|
|
Amperemeter
|
|
|
Volmeter
|
|
|
Operational amplifier
|
|
|
AND gate
|
ICE 60617-12
|
|
OR gate
|
ICE 60617-12
|
|
XOR gate
|
ICE 60617-12
|
|
NOT gate
|
ICE 60617-12
|
|
NAND gate
|
ICE 60617-12
|
|
NOR gate
|
ICE 60617-12
|
|
XNOR gate
|
ICE 60617-12
|
|
Gated D latch
|
|
|
Positive edge triggered
D flip-flop
|
|
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Negative edge triggered
D flip-flop
|
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Positive edge triggered
JK Flipflop
|
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|
Full adder
|
|
|
Relay with single changeover
|
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