MKT050104L500T datasheet, PDF - EEWORLD Datasheet

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MKT050104L500T: DescriptionFILM CAPACITORS; File Size1MB，29 Pages; ManufacturerSharma; Websitehttp://www.sharmacomponents.com/

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MKT050104L500T Overview

FILM CAPACITORS

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Sharma Film Capacitors

FILM

Quick Reference Guide

Series

(Former Series)

CAPACITORS

Style

Dielectric/

Construction

Metallized Polyester

Molded can

Metallized Polyester

Molded can

Metallized Polyester

Molded can

Metallized Polyester

Epoxy molded

Metallized Polyester

Epoxy dipped

Metallized Polyester

Epoxy dipped

Lead Spacing

millimeters / (inches)

5.0 (0.200”)

Capacitance Range

Voltage Range

0.001 µF to 1.0 µF

50 VDC to 400 VDC

0.033 µF to 0.33 µF

100 VDC to 630 VDC

0.001 µF to 6.8 µF

100 VDC to 1000 VDC

PLASTIC FILMS

USED IN CAPACITORS

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.

POLYESTER FILM

MKT 050

(MKT1.85)

MKT 075

(MKT1.67)

MKT 100

(MKT1.60)

7.5 (0.300”)

10.0 (0.400”), 15.0 (0.600”),

22.5 (0.886”), 27.5 (1.083”)

MKT 00S

(SMX)

MKT D01

(MPD-1)

Surface Mount

0.01 µF to 0.22 µF

50 VDC to 630 VDC

0.001 µF to 6.8 µF

100 VDC to 630VDC

10.0 (0.400”), 15.0 (0.600”),

22.5 (0.886”), 27.5 (1.083”)

MKT D02

(MPD-2)

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

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)

MKTO

(MPO)

Metallized Polyester

Tape wrapped

Metallized Polyester

Tape wrapped

Rounded Axial

0.01 µF to 6.8 µF

63 VDC to 630 VDC

0.01 µF to 6.8 µF

63 VDC to 630 VDC

Oval Axial

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

metallized. Polyester is a

popular dielectric for plain film

capacitors

well

metallized film capacitors.

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

(former series)

Arcotronics

Evox

MEPCO*

Philips

Roederstein

Siemens

Thompson

Wima

MKT

050

MKT1.85

R.85

MMK 5

712A 1

370

MKT1817

B32529

IRD/MC

MKS 2

MKT

075

MKT1.67

R.66

MMK

719A 1

371

MKT1818

B32520/30

IRD/MC

MKS 3

MKT

100

MKT1.60

R.60

MMK

719A 1

372 & 373

MKT1822

B32521/31

IRD/MC

MKS 4

MKT

00S

SMX

LDA

MKT1824

SMD 7.3

MKT

D01

MPD-1

712A 1

367 to 369

5140 to 44

MKT

D02

MPD-2

712A 1

366 to 369

5140 to 44

MKT

D03

MPD-3

712A 1

367 to 369

5140 to 44

MKTR

MPR

MKT1813

MKTO

MPO

* MEPCO SERIES ARE BEING REPLACED WITH PHILIPS SERIES AS LISTED IN THE TABLE. BOTH SERIES ARE LISTED FOR YOUR CONVENIENCE.

Sharma Film Capacitors

PERFORMANCE CHARACTERISTICS

ELECTRICAL - BASIC PARAMETERS

1.1 RATED CAPACITANCE

The nominal or rated value of capacitance is measured at 25 °C in an measuring bridge with 1K Hz

source, free of harmonics. Please refer to relevant series for the range of capacitance value covered.

Capacitance is frequency and temperature dependent. The variation pattern of capacitance with

temperature and frequency is explained in sections 2.1 and 2.2.

1.2 CAPACITANCE TOLERANCE

The permitted variation of actual value from the nominal value is termed the tolerance. The tolerance

is expressed in percentage. The standard tolerances for plastic film capacitors are ±5% (J), ±10% (K)

and ±20% (M).

1.3 RATED VOLTAGE

The voltage at which the capacitor can operate continuously up to a temperature of 85 °C (unless

otherwise specified) is the rated voltage. As this is a critical parameter for choosing a capacitor, the

case sizes are listed in a matrix of capacitance value and rated voltage.

1.4 CATEGORY VOLTAGE

The maximum voltage that may be applied continuously over the temperature range is termed the

category voltage. This is same as the rated voltage up to 85 °C unless otherwise specified in the

climactic category of the product. Above 85 °C a derating has to be applied depending upon the

dielectric.

1.5 OPERATING TEMPERATURE

This is the temperature range with in which the capacitor can function as specified in the climactic

category. Please refer to relevant sections for derating above the temperature at which the full rated

voltage can be applied.

1.6 DISSIPATION FACTOR

This is the measurement of tangent of loss angle (tan d) and is expressed as a percentage.

Measurement of dissipation factor is carried out at 1 K Hz. or 10 K Hz. as specified in the data sheet

of the relevant series at 25 °C. Dissipation factor is temperature and frequency dependent. The

nature of variation of dissipation factor with temperature and frequency for different dielectric are

explained in Figures 2.3A to 2.3C and 2.4A to 2.4C.

1.7 INSULATION RESISTANCE

Insulation Resistance is the electrical resistance offered by the capacitor. The Insulation Resistance

is measured directly in Mega Ohms where as for higher capacitance values it is expressed in seconds

as the product of M Ohm and µF.

1.8 PULSE RISE TIME

The pulse rise time or dv/dt rating is the capability of the capacitor to handle rapid changes in voltage

or pulse. This is expressed in terms of Volts per µseconds. The dv/ dt rating of a capacitor depends

upon the dielectric as well as the design and construction of the capacitors. The dv/dt values of

different types of capacitors are listed in the corresponding data sheets of the capacitors.

Polypropylene

Capacitance Change Vs. Temperature

Figure 2.1A

Polystyrene

Capacitance Change Vs. Temperature

Figure 2.1B

Polyester

Capacitance Change Vs. Temperature

Figure 2.1C

Figure 2.2A

ELECTRICAL - EFFECTS AND RELATIONS

2.1 TEMPERATURE DEPENDENCE OF CAPACITANCE

Capacitance of plastic film capacitors vary with temperature. However the pattern of variation is

different for different plastic film dielectrics such as Polystyrene, Polyester and Polypropylene. The

The variation patterns for these dielectrics are shown in figure 2.1A, 2.1B and 2.1C. The rate of

change of capacitance with temperature is termed the Temperature Coefficient. The nominal values

of temperature coefficient for different dielectrics are shown below.

DIELECTRICS

TEMPERATURE

COEFFICIENT

POLYSTYRENE

-150 ppm

POLYESTER

+400 ppm

POLYPROPYLENE

-200 ppm

Polystyrene

Capacitance Change Vs. Frequency

2.2 FREQUENCY DEPENDENCE OF CAPACITANCE

Capacitance reduces with increase in frequency. The

variation pattern for different dielectrics are shown in

figure 2.2A, 2.2B and 2.2C.

2.3 TEMPERATURE DEPENDENCE OF

DISSIPATION FACTOR

The dissipation factor varies with temperature. Each

dielectric follows a unique variation pattern. The variation

pattern for different dielectrics are shown in figure 2.3A,

2.3B and 2.3C.

Figure 2.2C

Figure 2.2B

Polypropylene

Capacitance Change Vs. Frequency

Polyester

Capacitance Change Vs. Frequency

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