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Model 3300A
7-1.
INTRODUCTION.
7-2.
This section contains information for ordering
replacement parts. Table 7-1 lists parts in alphanumeric
order of their reference designators and indicates the
description, -hp- part number of each part, together with
any applicable notes, and provides the following:
a. Hewlett-Packard number.
b. Total quantities of each part used in the
instrument(TQ column).
c. Descriptions (abbreviations are listed below).
d. Table 7-2 is a part number-national stock
number cross reference index. The items on this
cross reference index are source coded PHAZZ.
Items that do not appear on this index are source
A
= assembly
B
= motor
BT
= battery
C
= capacitor
CR
= diode
DL
= delay line
DS
= lamp
E
= misc electronic part
Ag
= silver
Al
= aluminum
A
= ampere (a)
Au
= gold
C
= capacitor
cer
= ceramic
coef
= coefficient
com
= common
comp = composition
conn
= connection
dep
= deposited
DPDT = double-pole double-
throw
DPA.T = double-pole single-
throw
elect
= electrolytic
encap = encapsulated
F
= farad (s)
FET
= field effect transistor
fxd
= fixed
GaAs = gallium arsenide
+9
GHz
= gigahertz = 10
hertz
gd
= guard (ed)
Ge
= germanium
grd
= ground (ed)
H
= henry (ies)
Hg
= mercury
Hz
= hertz (cycle (s) per
second)
REV G
REPLACEABLE PARTS
F
= fuse
FL
= filter
HR
= heater
IC
= integrated circuit
J
= jack
K
= relay
L
= inductor
M
= meter
ID
= inside diameter
impg
= impregnated
incd
= incandescent
ins
= insulation (ed)
Ò
+3
k
=kilohm (s) = 10
ohms
+3
kHz
= kilohertz = 10
hertz
L
= inductor
lin
= linear taper
log
= logarithmic taper
-3
m
= milli =10
mA
= milliampere (s) = 10
amperes
+6
MHz
= megahertz =10
hertz
Ò
+6
M
= megohm (s) = 10
ohms
met flm= metal film
mfr
=manufacturer
mtg
= mounting
-3
mV
= millivolt (s) = 10
volts
Î
-6
micro = 10
Î
-6
V
= microvolt (s) = 10
volts
my
= Mylar®
nA
= nonoampere (s) = 10
amperes
NC
= normally closed
Ne
= neon
NO
= normally open
NPO
= negative positive zero
(zero temperature co-
efficient)
® Dupont de Nemours
SECTION VII
coded XD and shall be procured using the FSCM
and the MPN at the nearest wholesale level.
7-4.
ORDERING INFORMATION.
7-5.
To obtain replacement parts, address order or
inquiry to your local Hewlett-Packard Field Office. (See
field office location list). Identify parts by their Hewlett-
Packard part numbers. Include instrument model and
serial numbers.
7-6.
NON-LISTED PARTS.
7-7.
To obtain a part that is not listed, include:
a. Instrument model number.
b. Instrument serial number.
c. Description of the part.
d. Function and location of the part.
DESIGNATORS
MP
= mechanical part
P
= plug
Q
= transistor
QCR
= transistor-diode
R
= resistor
RT
= thermistor
S
= switch
T
= transformer
ABBREVIATIONS
ns
= nanosecond (s) = 10
seconds
nsr
= not separately replace-
able
Ò
= ohm (s)
obd
= order by description
OD
= outside diameter
p
= peak
pc
= printed circuit
pF
= picofarad (s) = 10
farads
+3
piv
= peak inverse voltage
p/o
= part of
pos
= position (s)
poly
= polystyrene
pot
= potentiometer
p-p
= peak-to-peak
ppm
= parts per million
prec
= precision (temperature
coefficient, long term
stability, and/or tol-
erance)
-9
R
= resistor
Rh
= rhodium
rms
= root-mean-square
rot
= rotary
Se
= selenium
sect
= section (s)
Si
= silicon
7-1
TC
= thermocouple
V
= vacuum tube, neon
bulb, photocell, etc.
W
= cable
X
= socket
XDS
= lampholder
XF
= fuseholder
Z
= network
-9
sl
= slide
SPDT = single-pole double-
throw
SPA.T = single-pole single-
throw
Ta
= tantalum
TC
= temperature coefficient
TiO
= titanium dioxide
2
tog
= toggle
tol
= tolerance
trim
= trimmer
-12
TSTR = transistor
V
= volt (s)
vacw
= alternating current
working voltage
var
= variable
vdcw
= direct current working
voltage
W
= watt (s)
w/
= with
wlv
= working inverse voltage
w/o
= without
ww
= wirewound
*
= optimum value selected
at factory, average
value shown (part may
be omitted)
**
= no standard type num-
ber assigned (selected
or special type)
Section VII
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