TM 5-3805-281-24-1
System Diagrams
Identification Letter
Type
Examples
S
Switch
Switches and pushbuttons, general key switch, light switch, horn
switch, flasher switch
T
Ignition coil, ignition transformer
U
Modulator, converter
DC transformers
V
Semiconductor, electron tubes
Transistors, diodes, electron tubes, rectifiers, semiconductors,
thyristors, zener diodes
W
Transmission path, conductor, antenna
Antennas, shielding components, shielded conductors, cable
harnesses, conductors, ground conductors
X
Terminal, plug, plug and socket connection
Terminal studs, electrical connections, connectors electrical line
couplers, line connectors, sockets, plugs, terminals, plug-and-socket
connections
Y
Electrically actuated mechanical device
Permanent magnets, (solenoid-operated) injection valves,
electromagnetic clutches and brakes, air valves, fuel pumps,
solenoids, switching valves, start valves, locking systems
Z
Electrical filter
Interference suppression filters
9015
10
4
TX,10,111507 1922AUG962/2
4-35