Table 4-2. Reference Designations, Abbreviations, and Multipliers (3 of 4)

 

 

r

 

 

 

ABBREVIATIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

 

 

PLSTC

Plastic

 

 

 

SMA

Subminiature,

 

 

 

 

 

 

 

PNL

Panel

 

 

 

 

 

A Type (Threadec

 

 

 

N

Nano, None

 

P N P

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

 

P O T

Potentiometer

SMC

Subminiature,

 

 

 

N O

Normally

Open,

 

POZI

Pozidriv

Recess

 

C-Type

(Threaded

 

 

 

 

Number

 

 

PREC

Precision

 

 

 

 

Connector)

 

 

 

NOM

Nominal

 

 

P R P

Purple, Purpose

SPCG

Spacing

 

 

 

 

NPN

Negative

Positive

 

P S T N

P i s t o n

 

 

 

 

SPDT

Single

 

 

Pole ’

 

 

 

 

Negative

(Transistor:

 

P T

Part,

Point,

 

 

 

Double

Throw

 

 

 

YS

Nanosecond,

 

 

Pulse

 

Time

 

 

SPST

Single

Pole

 

 

 

 

Non-Shorting, Nose

 

PW

Pulse

 

Width

 

Single

Throw

 

 

 

NUM

Numeric

 

 

 

 

 

 

 

 

 

SQ

Square

 

 

 

 

VYL

Nylon (Polyamide)

 

 

 

 

 

 

 

 

SST

Stainless

Steel

 

 

 

 

 

 

 

 

&

 

 

 

 

 

STL

Steel

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

SUBMIN Subminiature

 

 

 

 

 

 

 

Q

Figure

of

Merit

S Z

Size

 

 

 

 

 

 

3A

Over- All

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3D

Outside Diameter

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

3P AMP

Operational

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Amplifier

 

 

R

Range,

Red,

 

 

 

T

 

 

 

 

 

 

1PT

Optical, Option,

 

 

Resistance,

Resistor:

 

 

 

 

 

 

 

 

 

Optional

 

 

 

Right,

Ring

 

 

T

Teeth,

 

 

 

 

 

 

 

 

 

 

REF

Reference

 

 

 

Temperature,

 

 

 

 

P

 

 

RES

Resistance,

Resistor

 

Thickness, Time,

 

 

 

 

 

 

 

3F

Radio

 

Frequency

 

Timed,

Tooth,

 

 

 

PA

Picoampere, Power

 

2GD

Rigid

 

 

 

 

 

 

Typical

 

 

 

 

 

Amplifier

 

 

IND

Round

 

 

 

 

T A

Ambient

 

 

 

PAN-HD Pan Head

 

2R

Rear

 

 

 

 

 

 

Temperature,

 

 

 

PAR

Parallel,

Parity

 

2VT

Rivet,

 

Riveted

 

Tantalum

 

 

 

PB

Lead (Metal),

 

 

 

 

 

 

 

 

TC

Temperature

 

 

 

 

Pushbutton

 

 

s

 

 

 

 

 

 

Coefficient

 

 

 

 

Printed Circuit

 

 

 

 

 

 

 

 

I’HD

Thread,

Threaded

 

 

 

PCB

Printed Circuit

 

;AWR Surface

Acoustic

IHK

Thick

 

 

 

 

 

 

 

Board

 

 

 

Wave

 

Resonator

r0

Package

Type

 

 

 

P-CHAN P - Channel

 

;EG

Segment

 

 

 

 

Designation

 

 

 

P D

Pad, Power

 

;GL

Single

 

 

 

 

 

I’PG

Tapping

 

 

 

 

 

Dissipation

 

11

Silicon,

 

 

 

 

IR-HD

Truss

Head

 

 

 

PF

Picofarad,

Power

 

 

Square

Inch

 

 

IRMR

Trimmer

 

 

 

 

Factor

 

 

;L

Slide,

Slow

 

 

I’RN

Turn,

Turns

 

 

 

PKG

Package

 

 

;LT

Slot,

Slotted

I’RSN

Torsion

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replaceable Parts 4-5