Page 330 - Electromechanical Devices and Components Illustrated Sourcebook

292 Electromechanical Devices & Components Illustrated Sourcebook

Thyristor Tube, Triode

Transformer, Air Core V Voltmeter

Transformer, Iron Core W Wattmeter

Transformer, W/Center Tap(s) Wire

Transistor, NPN Wire, Connected

Transistor, PNP Wire, Crossing

Transistor, FET, N Contacts, NC

Transistor, FET, P Contacts, NO

Tube, Diode C Coil, Control

Tube, Pentode Coil, Solenoid

Tube, Tetrode Thermal Cutout

Figure 18-5 Standard Schematic Symbols