Sharma Film Capacitors
FILM CAPACITORS
Quick Reference Guide
PLASTIC FILMS
Series
Dielectric/
Lead Spacing
millimeters / (inches)
Capacitance Range
Voltage Range
Style
USED IN CAPACITORS
(Former Series) Construction
The capacitance value of a
capacitor depends on the area
of the dielectric separating the
two conductors, its thickness
and the dielectric constant.
Other properties of the film
such as the temperature
coefficient, the dissipation
factor, the voltage handling
capabilities, its suitability to be
metallized etc. also influence
the choice of the dielectric.
MKT 050
(MKT1.85)
Metallized Polyester
Molded can
5.0 (0.200”)
7.5 (0.300”)
0.001 µF to 1.0 µF
50 VDC to 400 VDC
MKT 075
(MKT1.67)
Metallized Polyester
Molded can
0.033 µF to 0.33 µF
100 VDC to 630 VDC
MKT 100
(MKT1.60)
Metallized Polyester
Molded can
10.0 (0.400”), 15.0 (0.600”),
22.5 (0.886”), 27.5 (1.083”)
0.001 µF to 6.8 µF
100 VDC to 1000 VDC
MKT 00S
(SMX)
Metallized Polyester
Epoxy molded
Surface Mount
0.01 µF to 0.22 µF
50 VDC to 630 VDC
MKT D01
(MPD-1)
Metallized Polyester
Epoxy dipped
10.0 (0.400”), 15.0 (0.600”),
22.5 (0.886”), 27.5 (1.083”)
0.001 µF to 6.8 µF
100 VDC to 630VDC
POLYESTER FILM
MKT D02
(MPD-2)
Metallized Polyester
Epoxy dipped
10.0 (0.400”), 15.0 (0.600”),
17.5 (0.689”), 25.0 (0.984”)
27.5 (1.083”)
0.01 µF to 3.9 µF
100 VDC to 630VDC
This film has a relatively high
dielectric constant which
makes it suitable for designs
of
a
capacitor with high
volumetric efficiency. It also
has high temperature stability,
high voltage and pulse
handling capabilities and can
be produced in very low
thickness. It can also be
MKT D03
(MPD-3)
Metallized Polyester
Epoxy dipped
10.0 (0.400”), 15.0 (0.600”),
17.5 (0.689”), 25.0 (0.984”)
27.5 (1.083”)
0.01 µF to 3.9 µF
100 VDC to 630VDC
MKTR
(MPR)
Metallized Polyester
Tape wrapped
Rounded Axial
Oval Axial
0.01 µF to 6.8 µF
63 VDC to 630 VDC
metallized. Polyester is
popular dielectric for plain film
capacitors as well as
metallized film capacitors.
a
MKTO
(MPO)
Metallized Polyester
Tape wrapped
0.01 µF to 6.8 µF
63 VDC to 630 VDC
POLYPROPYLENE FILM
The dielectric constant of polypropylene is slightly higher than that of polyester which makes the capacitors relatively bigger in size. This film has
a low dissipation factor and excellent voltage and pulse handling capabilities together with a low and negative temperature coefficient which is
an ideal characteristic for many designs. Polypropylene has the capability to be metallized.
POLYSTYRENE FILM
The dielectric constant of Polystyrene is relatively lower resulting in larger physical size of capacitors. Though the temperature handling
capability of this film is lower than that of the other films, it is extremely stable within the range. Its low dissipation factor and the negative, near
linear temperature coefficient characteristics make it the ideal dielectric for precision capacitors. Polystyrene cannot be metallized.
Cross Reference Guide
SHARMA
MKT 050
MKT 075
MKT 100
MKT 00S
MKT D01
MKT D02
MKT D03
MKTR
MKTO
(former series)
MKT1.85
MKT1.67
MKT1.60
SMX
MPD-1
MPD-2
MPD-3
MPR
MPO
Arcotronics
Evox
R.85
MMK 5
712A 1
370
R.66
MMK
R.60
MMK
LDA
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MEPCO*
Philips
719A 1
371
719A 1
-
712A 1
712A 1
712A 1
-
372 & 373
MKT1822
B32521/31
IRD/MC
MKS 4
-
367 to 369
366 to 369
367 to 369
-
Roederstein
Siemens
Thompson
Wima
MKT1817
B32529
IRD/MC
MKS 2
MKT1818
B32520/30
IRD/MC
MKS 3
MKT1824
-
-
-
MKT1813
-
5140 to 44
5140 to 44
5140 to 44
-
-
-
MD
-
MD
-
MD
-
SMD 7.3
* MEPCO SERIES ARE BEING REPLACED WITH PHILIPS SERIES AS LISTED IN THE TABLE. BOTH SERIES ARE LISTED FOR YOUR CONVENIENCE.
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