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Table
5-l.
Reference Designations, Abbreviations, and Multipliers (3 of 4)
ABBREVIATIONS
N
PLSTC Plastic
SMA
Subminiature,
PNL Panel
A Type (Threader
N
Nano, None PNP
Positive Negative
Connector)
N-CHAN N-Channel
Positive (Transistor) SMB
Subminiature,
NH
Nanohenry
POLYC Polycarbonate
B Type (Slip-on
NM
Nanometer, POLYE Polyester
Connector)
Nonmetallic
POT Potentiometer
SMC Subminiature,
NO
Normally Open,
POZI
Pozidriv Recess
C-Type
(Threadec
Number PREC Precision
Connector)
NOM
Nominal PRP
Purple, Purpose
SPCG Spacing
NPN
Negative Positive PSTN Piston
SPDT
Single Pole
Negative (Transistor) PT
Part, Point,
Double Throw
NS
Nanosecond, Pulse Time
SPST Single Pole
Non-Shorting, Nose PW Pulse Width
Single Throw
NUM
Numeric
SQ
Square
NYL
Nylon (Polyamide)
SST Stainless Steel
&
STL Steel
0 SUBMIN Subminiature
Q
Figure of Merit
sz Size
DA
Over-All
3D
Outside Diameter R
3P
AMP Operational
Amplifier R
Range, Red,
T
3PT
Optical, Option, Resistance, Resistor,
Optional Right, Ring
T
Teeth,
REF
Reference Temperature,
P
RES
Resistance, Resistor Thickness, Time,
RF
Radio Frequency Timed, Tooth,
PA
Picoampere, Power
RGD
Rigid
Typical
Amplifier
RND
Round TA Ambient
PAN-HD Pan Head RR
Rear Temperature,
PAR
Parallel, Parity RVT
Rivet, Riveted
Tantalum
PB
Lead (Metal),
TC Temperature
Pushbutton
s
Coefficient
?C
Printed Circuit
THD
Thread, Threaded
‘CB
Printed Circuit SAWR Surface Acoustic
THK Thick
Board
Wave Resonator TO Package Type
‘-CHAN
P-Channel SEG
Segment
Designation
‘D
Pad, Power SGL
Single
TPG
Tapping
Dissipation
SI
Silicon, TR-HD Truss Head
‘F
Picofarad, Power
Square Inch TRMR
Trimmer
Factor
SL
Slide, Slow TRN
Turn, Turns
‘KG
Package SLT
Slot, Slotted
TRSN
Torsion
Replaceable Parts 5-5