Electronics

Common component reference designators

* R fixed resistor
* RN resistor network
* RV variable resistor
* C capacitor (network, fixed or variable)
* L inductor
* Q transistor, FET, SCR, TRIAC
* D,CR diode, rectifier, Zener, varicap, LED
* DL multisegment display (any type)
* VR,Q,IC voltage regulator
* U,IC integrated circuit
* J socket, jack (female)
* P plug (male)
* JP jumper (pins, trace, or wire)
* Y,X crystal
* M modular subassembly, daughter board
* S mechanical switch
* F fuse
* FL filter
* T transformer
* KB keyboard
* B,BT battery

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