IIIIIIIII!:IURGE
~
电
;&-J
Product
Guide
Precautions and Guidelines for Using Organic Conductive Polymer Capacitors
Organic
conduclive
polymer
capacitor
(OP-CAP)
is
specially
structured
using
with
a
solid
electrolyte
of
conductive
polyme
陀，
has
several
advantages
over
non-solid
aluminum
capacitors
due
to
tis
compact
size
,
wide
operation
termperature
range
,
high
resistance
against
ripple
current
,
and
especially
,
low
ESR.
The
only
disadvantage
,
however
, is
their
low
working
voltage
.
Over
past
few
yea 陀，
Lelon
has
developed
a
number
of
series
of
OP-CAPs
.
Please
refer
to
following
guidelines
for
obtaining
the
highest
performance
and
stable
quality
by
using
OP-CAP
series
products
1.
Guidelines
for
Circuit
design
(1)
Polarity
OP-CAPs are basically nothing but aluminum electrolytic
capacitors with solid electrolyte. Therefore
, they must
be
installed with the correct polarity. Usage
in
the reverse polarity
results into a
sho
凡
circuit
condition that may damage or even
explode the capacitor
In
addition, it may affect circuit functionality
(2) Operating Voltage
Applied
DC
voltage must not exceed rated voltage of
an
OP-
CA
P.
Applying higher voltage across a capacitor terminals than
its rated voltage will cause overheating due
to
higher leakage
currents
, and dielectric/insulation deterioration that will
ultimately
a
忏"e
ct
a capacitor's
pe
斤。
rmance.
The OPCAP,
however,
is
capable of working under short-time transient
voltages such
as
DC
transients and peak AC ripples. Note that
the result of
DC
voltage overlapped with peak ripple voltage
should not exceed rated voltage
(3) Ripple
Current
One of the key functions of any capacitor is removal of the
ripple current
i.
e.
the RMS value
of
AC flowing through a
capacitor. But
, a ripple current higher than rated ripple current
will drop resultant capacitance
, cause undue internal heating
and thus reduces life span of the capacitor.
In
extreme cases,
internal high temperature will cause the pressure relief vent to
operate while destroying the device. Overall
, it
is
important
to
note that
an
electrolytic capacitor must be used within a
permissible range of ripple current
(4)
Operating
Temperature
Capacitors should be used within a permissible range of
operating temperatures. Use of a capacitor at a higher
temperature than maximum rated temperature will
considerably shorten its life. Usage
of
capacitors at
an
ambient
room temperature assure their longer life
(5) Leakage
Current
Leakage current flows through a capacitor when
DC
voltage
is
applied across i
t.
Leakage current varies with changes
in
ambient temperature and applied
DC
voltage level and its time
of
application. Overvoltage situation, presence
of
moisture, and
thermal stresses
, especially occurring during the soldering
process can enhance leakage curren
t.
Initialleakage current
is
usually higher and does not decrease until voltage is applied for
a certain period of time.
It
is
recommended
to
keep initial
leakage current within specified levels
(6) Charge and
Discharge
OP-CAPs are unsuitable for rapid charging/discharging
circuits. Such usage may either cause reduction
in
overall
capacitance or damage due to overheating. Note
that
a
protection
circuit
is
required
when
inrush
current
in
an
。
P-CAP
exceeds 10 A.
(7)
Condition
of
Use
OP-CAP shall not
be
used / exposed to
(a) Fluids including water
, saltwater spray, oil , fumes, highly
humidity or condensed climates
, etc
(b) Ambient conditions containing hazardous gases/fumes like
hydrogen sulfide, sulfurous acid, nitrous acid, chlorine or
bromine gas
, ammonia, etc
(c) Ozone
, ultraviolet rays and radiation
(d) Severe vibrations or physical shocks that exceeding the
in
specifications
(8)
Consideration
to
Circuit
Design
(a) Please ensure whether application
, operating and mounting
conditions satisfy the conditions specified
in
the catalog
before installation of
an
OP-CA
P.
Please consult Lelon, if
any of the conditions are beyond the conditions specified
in
the catalog
(b) Heat-generating components or heat sinks should not
be
placed closer
to
OP-CAPs
on
the PCB
to
avoid premature
failure. A cooling system
is
recommended to improve their
reliable working
(c) Electrical characteristics and performance of OP-CAPs are
affected by variation of applied voltage
, ripple current, ripple
frequency and operating temperature. Therefore
, these
parameters shall not exceed specified values
in
the catalog
(d) OP-CAPs may
be
connected
in
the parallel fashion for
increasing total capacitance and/or for achieving higher
ripple current capability. But
, such design may cause
unequal current flow through each of the capacitors due to
differences
in
their impedances
(e) When two or more capacitors are connected
in
series,
voltage across each capacitor may differ
and
fall below the
applied voltage. A resistor should
be
placed across each
capacitor
so
as
to match applied voltage with voltage across
a capacitor
(f) Please consult Lelon while selecting a capacitor for high-
frequency switching circuit or a circuit that undergoes rapid
charging/ discharging
(g) Standard outer sleeve/ coating material of the capacitor is
not a
pe
斤
ect
electrical insulator therefore is unsuitable for
the applications that requires perfect electrical insulation
Please consult Lelon
, if your application requires
pe
斤
ect
electrical insulation
(h) Tilting or twisting capacitor body
is
not recommended once
it
is
soldered
to
the PCB
2.
Caution
for
Assembling
Capacitors
(1)
Mounting
(a) OP-CAPs are not recommended
to
re-use
in
other circuits
once they are mounted and powered
in
a circuit
(b) OP-CAPs may hold static charge between its anode and
cathode
, which
is
recommended
to
be
discharge through a
1
kO
resistor before use
(c) A long storage of capacitors may result into its insulation
deterioration. This can lead to a high leakage current when
voltage is applied that may damage the capacitor
Capacitors following a long storage period must undergo
voltage treatmentlre-forming. Capacitors are charged by
applying rated
DC
voltage through a resistor of 1
kO
in
series at least for
an
hour. It
is
recommended
to
increase
applied voltage gradually using a voltage regulator unit once
capacitors are assembled
on
the board. The charging
should be followed by discharging through a 1
kO
resistor
(d) Please check capacitor rated voltage before mounting
(e) Please check capacitor polarity before mounting
(f) Please don't drop OP-CAPs
on
the floor/hard
。同
ect
(g) Please don't deform the capacitor during installation
(h) Please confirm whether the lead spacing
of
the capacitors
match with its pad spacing/footprint
on
PCB prior to
installation
(i) Please avoid excessive mechanical shocks to OP-CAPs
during auto-insertion process
, inspection or centering
operations
(Continued
on
next page)
AII
produ
ct
spe
c
ifi
c
ation
s
in
the
c
atal
og
are
s
ubje
ct
to
c
hange
w
ithout
no
tice.
(
CA
T.
2017E2)
WW
W.
SURGECOMPONENTS.COM
(Tel)
631
-595-1818
IIIIIIIII!:IURGE
~
电
;&-J
Product
Guide
(2)
Soldering
(a) Please confirm
Ihal
soldering condilions , especially
lemperalure and conlact lime are wilhin our specificalions
Dip
or
flow soldering lemperalure should be limiled
al
260
土
5
0
C
for
10
土
1
sec. Please do
nol
dip capacilor body inlo
mollen solder.
An
OP-CAP's life will be negalively affecled
if Ihese condilions are violaled
(b) Slorage
of
capacilors in high humidity condilions is likely
10
affect Ihe solderability
of
lead wires and terminals
(c)
Reflow
soldering
should
ONLY
be
used
for
SMD
type
conductive
polymer
capacitors.
Please check Ihe reflow
profile prior
10
using such Iype
of
臼
pacilors.
The
lemperalure and duralion shall
nol
exceed Ihe specified
lemperalure and duralion in Ihe calalogue.
If
required
lemperalure
or
duralion is higher Ihan Ihe value specified ,
please consull Lelon before use
(d) Usually OP-CAPs are
nol
designed
10
wilhsland mulliple
reflow processes. Please consull Lelon
if
repealed
reflowing is unavoidable
(e) Incorrecl mounling on PCB wilh improper
e
刘
ernal
slrenglh
applied on ils lead wires
or
capacilor body after soldering
may
damage an OP-CAP 's inlernal slruclure, cause sho
r!
circuil, or lead
10
high leakage curren!. Do
nol
bend or twisl
Ihe capacilor body after soldering . Referring
10
Ihe
drawings below only case (i) is recommended
(i) Correcl soldering
。
i)
Hole-Io-hole spacing on PCB
di
忏
ers
from Ihe lead
spacing
of
lead wires
(iii) Lead wires are benl after soldering
(iv) Capacilor body doesn'l sland ve
r!
ical on PCB
a
由
er
soldering
~
。
(i)
r---------l
Lγ-------
，J
.L_______...L
×
(iii)
---TT---
一
(3)
Cleaning
PCBs
After
Soldering
×
(ii)
×
(iv)
(a) Following chemicals are
nol
recommended for cleaning
Solvenl conlaining halogen ions
, Alkaline solvenl , Xylene,
Acelone, Terpene, pelro-based solvenl
(b) Recommended cleaning
∞
ndilions
Fally-alcohol - Pine Alpha
ST-1
OOS
, Clean Through-750H
and IPA (isopropyl alcohol) are examples
of
Ihe
mosl
acceplable cleaning agenls . Temperalure
of
Ihe cleaning
agenl
musl
nol
exceed 60
o
C. Flux
conlenl
in Ihe cleaning
agenls
should be limiled
10
2 W!.
%.
Overall lenglh
of
cleaning process
(e
.g., immersion , ullrasonic
or
olher) shall
be wilhin 5 minules (5
- 7mm heighl wilhin 3 minules)
3.
Maintenance
Inspection
Periodic inspeclion
of
OP-CAPs is absolulely necessary, especially
when
Ihey
are used wilh induslrial equipmen!. The following ilems
should be checked
(1) Appearance: bloaled
,
venl
operaled, leaked ,
elc
(2) Eleclrical characlerislic: Capacilance ,
Tan
i5
, leakage currenl ,
and
olher
specified ilems lisled in specificalions
Lelon recommends replacemenl of
Ihe
capacilors
if
any
of
Ihe
abovemenlioned ilems fail
10
meel
Ihe
specificalions
4.
Storage
(1) The
mosl
suilable
∞
ndilions
for aluminum capacilor slorage
are 5
0
C - 35
0
C wilh indoor relalive humidily less Ihan 75%
High lemperalure and/or humidily slorage
is
delrimenlal
lolhe
capacilors
(2) OP-CAPs shall
nol
be slored in
wel
or damp almospheres
conlaining
waler
, brine, fumes or oil
(3) Capacilors slorage area shall neilher be exposed
10
hazardous
gases such as hydrogen sulfide
, sulfurous acid , nilrous acid,
chlorine, ammonium , elc. nor
10
acidicl alkaline solulions
(4) OP-CAPs shall
nol
be exposed
10
ozone, ullraviolel rays or
radialion
(5) Slorage bags shall be opened
jusl
before usage. Please
reslore unused capacilors
as
soon
as
possible. Sealed and
secured capacilors are likely
10
provide
be
忧
er
solderabilily in
next usage. Shelf-life
of
OP-CAPs are
as
follows
Series
name
Before
unseal
After
unseal
OCV
,
OCVZ
,
OCVU
,
OVH
,
dWelIltvheclnr
。
yn1(dUyltenloa
。
nr
p)
aefnteer
d
Wlthln30daycs
kafmge
m
OVK
,
OVA
,
OVE
,
OVG
,
OVS
,
opemng
pa
OVF
,
OVD
,
OCR
,
OCRZ
,
OCRK
,
OCRU
,
dWellltvheclnroyn1(dUyltenloa
。
nr
p)
aefntee
r d
WIthln7dpaaycs
kfargoe
m
ORE ORS
,
ORA
,
ORG
,
ORC
,
opemng
ORF
,
ORB
,
ORD
※
1I
is
nol
applied
10
Ihe
regulalion
of
JEDEC
J-STD-020
(Rev.
C)
5.
Estimation
of
life
time
E
二丘
Lγ
=
Lo
X
10
20
Lr:
Eslimaled lifelime (hrs)
Lo
: Base lifelime specified
al
maximum operaling lemperalure
wilh applied Ihe DC vollage
T
o
: Raled maximum operaling lemperalure (OC)
Tr: Aclual ambienl lemperalure (OC)
OCV
,
OCVZ
,
OVH
,
OVK
,
OVA
,
OVE
,
OVG
,
OVS
,
OVF
,
OVD
,
OCVU
,
OCR
,
OCRZ
,
ORE
,
ORS
,
ORA
,
ORG
,
ORC
,
ORF
,
ORB
,
OCRK
,
OCRU
ORD
&
Aluminum
Eleclrolylic
Ca
口
acilors
10S
0
C
;:;;
2,
000
Hours
10S
0
C
;:;;
2,
000
Hours
9S
0
C
运
6
，
324
Hours
9S
0
C
运
4
，
000
Hours
8S
0
C
运
20
，
000
Hours
8S
0
C
孟
8
，
000
Hours
7S
0
C
运
63
，
24S
Hours
7S
0
C
孟
16
，
000
Hours
Please nole
Ihal
(1) Maximum life is 15 years
(2) Ripple currenl in applicalion should be less Ihan
or
equal
10
ripple currenl
speci
自
ed
in calalogue
6.
Disposal
Please consull wilh a local induslrial
wasle
disposal specialisl
when disposing
of
aluminum
eleclrol
叭
ic
capacilors
7.
Environmental
Consideration
Lelon already have received ISO 14000 certificale. Cadmium (Cd),
Lead (Pb), Mercury (Hg), Hexavalenl Chromium
(Cr+
勺
，
PBB ,
PBDE , DEHP, BBP, DBP and DIBP have never been using in
capacilor.
If
you need "Halogen-free" producls, please consull wilh
us
AII
producl specificalions
in
Ihe
calalog
are
subjecl
10
change
wilhoul nolice.
(CA
T.
2017E2)
WW
W.
SURGECOMPONENTS.COM
(Tel)
631-595-1818