Reference designator

This post lists the standard reference designator (prefixes) for electrical schematics.

BTBattery
CCapacitor
DDiode
FFuse
JPJumper
LInductor
MMotor
QTransistor
RResistor
RTThermistor
SSwitch (including push-buttons)
TPTest point
UIntegrated circuit (IC -Inseparable assembly)
VRVariable resistor (potentiometer or rheostat)
XConnector
TCrystal or oscillator
ZZener diode

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