| |
A
(see U
also) |
|
electronic divider
electronic function generator (other than rotating)
electronic multiplier
facsimile set
field-polarization rotator
gyroscope
integrator
positional servomechanism
sensor (transducer to electric power)
separable assembly
separable subassembly
telephone set
telephone station
teleprinter
teletypewriter
|
| |
AR |
|
amplifier (other than rotating)
repeater
|
| |
AT |
|
bolometer
capacitive termination
fixed attenuator
inductive termination
isolator (nonreciprocal device)
pad
resistive termination
|
| |
B |
|
blower
motor
synchro
|
| |
BT |
|
barrier photocell
battery
battery cell
blocking layer cell
photovoltaic transducer
solar cell
|
| |
C |
|
capacitor
capacitor bushing
|
| |
CB |
|
circuit breaker
network protector
|
| |
CP |
|
connector adapter
coupling (aperture, loop, or probe)
junction (coaxial or waveguide)
|
| |
D
or
CR |
|
asymmetrical varistor
crystal diode
current regulator (semiconductor device)
diode (semiconductor type)
diode rectifier (semiconductor type)
diode-type ring demodulator
diode-type ring modulator
metallic rectifier
photodiode (photosensitive type)
stabistor
thyristor (semiconductor diode type)
varactor
|
| |
D
or
VR |
|
breakdown diode (voltage regulator)
overvoltage absorber
|
| |
DC |
|
directional coupler
|
| |
DL |
|
delay function
delay line
slow-wave structure
|
| |
DS |
|
alphanumeric display device
annunciator
electrically restored drop
general light source
indicator (excluding meter or thermometer)
lamp (excluding heating lamp)
light-emitting solid-state device
manually restored drop
photodiode (photoemissive type)
signal light
visual alarm
visual indicator
visual signaling device
|
| |
E |
|
aluminum cell
antenna
armature
binding post
cable termination
carbon block
circuit terminal
conductivity cell
electrical contact
electrical contact brush
electrical shield
electrolytic cell
ferrite bead rings
film element
gap (horn, protective, or sphere)
Hall element
ignitor gap
insulator
lightning arrester
magnetic core
miscellaneous electrical part
optical shield
permanent magnet
rotary joint (microwave)
short circuit (termination)
spark gap
splice
telephone protector
telephone protector block
terminal (individual)
valve element
vibrating reed
|
| |
EQ |
|
equalizer
equalizing network
|
| |
F |
|
current limiter (for power cable)
fuse
fuse cutout
|
| |
FL |
|
filter
|
| |
G |
|
electronic chopper
generator
ignition magneto
interrupter vibrator
oscillator
rotating amplifier (regulating generator)
telephone magneto
|
| |
H |
|
hardware (common fasteners, etc)
|
| |
HP |
|
hydraulic part
|
| |
HR |
|
heater
heating lamp
heating resistor
infrared lamp
thermomechanical transducer
|
| |
HS |
|
handset
operator's set
|
| |
HT |
|
earphone
electrical headset
receiver (excluding radio receiver)
telephone receiver
|
| |
HY |
|
circulator
directionally selective transmission device
hybrid circuit network
hybrid coil (telephone usage)
hybrid junction (magic T)
|
| |
J |
|
disconnecting device (receptacle connector)
electrical receptacle connector
jack
receptable (connector, stationary portion)
waveguide flange (choke)
|
| |
K |
|
contactor (magnetically operated)
relay
|
| |
L |
|
coil (all not classified as transformers)
electrical solenoid
field winding
generator field
inductor
lamp ballast
motor field
reactor
winding
|
| |
LS |
|
audible alarm
audible signaling device
buzzer
electric bell
electric horn
loudspeaker
loudspeaker-microphone
siren
telephone ringer
telephone sounder
underwater sound transducer
|
| |
M |
|
clock
coulomb accumulator
elapsed time recorder
electric timer
electric counter
electrochemical step-function device
instrument
message register
meter
meter-type level pressure gauge
oscillograph
oscilloscope
position indicator
thermometer
|
| |
MG |
|
converter (rotating machine)
dynamotor
inverter (motor-generator)
|
| |
MK |
|
hydrophone
microphone
telephone transmitter
|
| |
MP |
|
brake
clutch
mechanical interlock
mechanical part
miscellaneous mechanical part (bearing, coupling, gear, shaft)
|
| |
MT |
|
accelerometer
measuring transducer
mode transducer
motional pickup transducer
primary detector
|
| |
N |
|
equipment subdivision
|
| |
P |
|
disconnecting device (plug connector)
electrical plug connector
plug (connector, movable portion)
waveguide flange (plain)
|
| |
PS |
|
power supply
rectifier (complete power-supply assembly)
|
| |
PU |
|
head (with various modifiers)
sound reproducer
|
| |
Q |
|
semiconductor controlled rectifier
semiconductor controlled switch
phototransitor (3 terminal)
thyratron (semiconductor device)
thyratron (semiconductor triode type)
transistor
|
| |
R |
|
function potentiometer
instrument shunt
magnetoresistor
potentiometer
relay shunt
resistor
rheostat
|
| |
RE |
|
radio receiver
|
| |
RT |
|
ballast lamp
ballast tube
current-regulating resistor
resistance lamp
temperature-sensing element
thermal resistor
thermistor
|
| |
RV |
|
symmetrical varistor
voltage-sensitive resistor
|
| |
S |
|
contactor (manually, mechanically, or thermally operated)
disconnecting device (switch)
electrical safety interlock
flasher (circuit interrupter)
governor (electrical contact type)
speed regulator (electrical contact type)
switch
telegraph key
telephone dial
thermal cutout (circuit interrupter)(not visual)
thermostat
|
| |
SQ |
|
electric squib
explosive squib
fusible link
igniter squib
sensing link
|
| |
SR |
|
electrical contact ring
rotating contact
slip ring
|
| |
T |
|
autotransformer
coaxial taper
linear coupler
telephone induction coil
telephone repeating coil
transformer
waveguide taper
|
| |
TB |
|
connecting strip
terminal board
terminal strip
test block
|
| |
TC |
|
semiconductor thermocouple
thermocouple
thermopile
|
| |
TP |
|
test point
|
| |
TR |
|
radio transmitter
|
| |
U |
|
inseparable assembly
integrated-circuit package
microcircuit
micromodule
photon-coupled isolator
|
| |
V |
|
electron tube
Geiger-Muller counter tube
ionization chamber
klystron
magnetron
phototube
proportional counter tube
resonator tube (cavity type)
solion
thyratron (electron tube)
traveling-wave tube
voltage regulator (electron tube)
|
| |
VR |
|
induction voltage regulator
voltage regulator (excluding electron tube)
|
| |
W |
|
bus bar
cable
cable assembly (with connectors)
coaxial cable
conductor
distribution line
distribution path
Goubau line
strip-type transmission line
transmission line
transmission path
waveguide
wire
|
| |
WT |
|
wiring tiepoint
|
| |
X |
|
fuseholder
lampholder
socket
|
| |
Y |
|
magnetostriction oscillator
piezoelectric crystal unit
quartz crystal unit
tuning-fork resonator
|
| |
Z |
|
artificial line (other than delay line)
balun
carrier-line trap
coupled tunable resonator
directional phase shifter (non-reciprocal)
discontinuity (usually coaxial or waveguide transmission
use)
E-H tuner
general network (where specific class letters do not fit)
gyrator
mode suppressor
multistub tuner
phase shifter
phase-changing network
resonator (tuned cavity)
slide-screw tuner
|
