268 Chapter5
R
SPDT Single Pole UF Microfarad
R Range, Red, SPST Single Pole UH Microhenry
Resistance,
Resistor,
Single Throw UL Microliter,
Right, Ring SQ Square Underwriters'
REF Reference SST Stainless Steel Laboratories,
Inc.
RES Resistance,
Resistor
STL Steel
UNHDND
Unhardened
RF Radio
Frequency
T V
RGD Rigid
V Variable,
Violet,
RND Round T Teeth, Volt, Voltage
RR Rear Temperature, VAC Vacuum,
Volts—
S Thickness, Time, Alternating
Current
SAWR Surface
Acoustic
Typical VAR Variable
Wave
Resonator
PB Lead (Metal), VDC Volts—Direct
Current
SEG Segment TA Ambient
W
SGL Single Temperature,
SI Silicon, Tantalum W Watt, Wattage,
Square Inch TC Temperature White, Wide,
Width
SL Slide, Slow Coefficient W/SW With Switch
SLT Slot, Slotted THD Thread,
Threaded
WW Wire Wound
SMA Subminiature THK Thick
X
A Type
(Threaded
TO Package Type
Connector) Designation X By (Used with
SMB Subminiature TPG Tapping Dimensions),
B Type
(Slip-on
TR-HD Truss Head Reactance
Connector) TRMR Trimmer
Y
SMC Subminiature TRN Turn, Turns
C-Type
(Threaded
TRSN Torsion YIG Yttrium-Iron-
Garnet
Connector)
U Z
SPCG Spacing UCD Microcandela ZNR Zener
Table 5-2 Abbreviations
Replaceable Parts
Abbreviations
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