Schematic Components Reference Designators

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Schematic Components Reference Designators. Reference Designator. Component Type. AT. Attenuator. BR. Bridge Rectifier. BT. Battery. C. Capacitor. CN.
Schematic Components Reference Designators

Reference Designator AT BR BT C CN D DL DS F FB or FEB FD J JP K L LS M MK MP P PS Q R RN RT RV S T TC TUN TP U V VR X Y Z

Component Type

Attenuator Bridge Rectifier Battery Capacitor Capacitor network Diode (including zeners, thyristors and LEDs) Delay line Display Fuse Ferrite bead Fiducial Jack connector (female) Link (Jumper) Relay Inductor Loudspeaker or buzzer Motor Microphone Mechanical part (including screws and fasteners) Plug connector (male) Power supply Transistor (all types) Resistor Resistor network Thermistor Varistor Switch (all types, including push-buttons) Transformer Thermocouple Tuner Test point Integrated circuit Vacuum Tube Variable Resistor (potentiometer or rheostat) Transducer not matching any other category Crystal or oscillator Zener Diode