Table of Contents
Advertisement
The
colored
banrls
aroud
thebodyol
a
color
coded
lesistor
reD-
lesent
its
valu€
in
ohb6.
These colored
beds
are
grouled
tovald
one end
oi
the resistor body. Sta*ing vitn
this
end
ot
the resisto!,
$e first
land relresenk the flrst.jlgit
of
the
resbtuce
velue; the
decord
bald
represents the
second
digit;
the
tllild bud
repreBents
the
nuhbe!
by which the
fllst
two
dglts ale
muri&Ued,
A
foufih
bald
oI sold
or silver rep-
lesents a
tolelalce ol
+5%
or
*10%
respectively.
The
absence
of
a
foulill bdd
indcates
a
tol€luce ol
d0%,
RESISTOR
AND
MICA
CAPACITOR
RESISTORS
COLOR
CODES
The
lhysical size
of
a cohlosition leslstor
ls
related to itB
vattage
rating. Size
increases
proglessively
aE
the
pattage
;"'ff-
",;'J*ffi
:"';Jx,llxfflili,
1'r,i,/,'
jill,
i"-t),?'.a
The colo!
code
chari
dd
examples whieh loUow
prolide
the
inlortuatio!
requn'ed
to
ldentiir coior cod€d.€sistors,
EXAMPLES
YELLOW
4_
I rO\rJ
'-\
i;:;' -- '
{
47'Lcoo
lb"ni-*'ce
-
to
oo
J
I
oR
47^o)
SILVER
=
TOLERANCE
t
lo70
!209o
CAPACITORS
Gene.ally,
only mica
ad
tlbu1a! ceramic
capacitors,
used
in
mode.n
equipment.
ale color
coded. The
color
codes
(Mfe!
somevhat abong capactto.
Eordacturers.
however
the
codes
shoin
!:::- :!!:: :: :.::i::-:
:,- :: ::: :].a
and
tubular
..rr.:ri :rar:
i:
-.. ::ij..odes
com-
.l: ,::: :.
:::::::::::
:.:-!:::-: ..r!
::::r::) Stsdardsa
P::.: ::: :.:::
: ::r.-: :: :::: : :.!::l:::.Eadlromlelt
CODE
:"=
(v^LUr
rN,er
rElorE 3
6.16{)
zloo*t
t
sq.
USING
A
PLASTIC NUT
STARTER
r r,
*iz
1v
Lr.
'i
4.-s..
NorE
I 3:Lor)
exllesBed
in
parts
ler
million
pe.
degree
centigrade.
Refe!
to
EIA Studard,
RS-198 (a
Staldard
oi
Electronic
Ind8t.les
3.
The
farad
i3
the basic
ult
ol
calacitance, howeve!
c.!-
acltor
values
are
genelally
e)Alessed
in
telhs
ol pld (Eicro-
falad,
,000001
farad)
&d ]lpr
(nicro-micro-farad,
.000001
!ld),
thereiole,
1,000
girf =
.001
irfd,
1,000,000
pgf
=
lBfd.
NOTE
1.
The
chalacte.ktic ol
a hica
capaciior
is
the temper-
ature coerflcieni,
.lrift
calacitance
and
insulation resislmce.
This iorolmation
is
not usually
needed
to
identily
a
capacitor
but,
u
desired,
it c&
be obtailed by r€Ielring
to EIA
Sted-
ard,
AS-153
(a
Standald
of Electronic Industries
Association.)
2.
The
temperature coefficient
oi
a
calacitor
is
the
predict-
able
chuge
in caleituce
with temperatuie chdge
ud
i6
A
plastic nut starter oflers
a
convenient
method
oI
stadiug ihe most used sizes: 3/16"
ad
r/4"
(3-48 and 6-32). when
the co!.ect erd
is
pushed
dom over a !ut,
the
lliable
tool
contolms
to
the
shap€
ol
the nut
ud
th€ nut
is
gently held white
it
is
being ptcked
up
dd
siaded
otr
the screw.
The
tool
should
only
be
used
to
start
tie
nut.
3-4
o
CODE
Isr
DIGIT
2No
DlclT
MULTIPLIER
TOLERANCE
NO BANO
leozr
ORANOE
CFEEN
VI
OLET
WHITE
GOLD
SILVER
o
I
2
3
5
6
7
a
:
o
I
2
3
5
5
7
:
rqooo
loo,ooo
toco,ooo
r.ooo,ooo.ooo
6-32
.\
-.^
-.
( 22 r
TOO,OOO
E"cifru-oorooJ(oR
2
2 MEG.)
Hide quick links:
Advertisement
Table of Contents
