DM15FD151KO3-RHAR02 datasheet, PDF

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DM15FD151KO3-RHAR02: DescriptionMICA CAPACITORS; File Size564KB，18 Pages; ManufacturerSharma; Websitehttp://www.sharmacomponents.com/

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DM15FD151KO3-RHAR02 Overview

MICA CAPACITORS

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Sharma Mica Capacitors

Page 1

Quick Reference

Series

DM05

DM10

DM12

DM15

DM19

DM20

DM30

DM42

Features

Lead Spacing: 3.05 +/-0.8 mm

Lead Spacing: 3.57 +/-0.8 mm

Lead Spacing: 5.00 +/-0.8 mm

Lead Spacing: 5.95 +/-0.8 mm

Lead Spacing: 8.73 +/-0.8 mm

Lead Spacing: 11.11 +/-0.8 mm

Lead Spacing: 11.11 +/-0.8 mm High Capacitance

Lead Spacing: 26.99 +/-0.8 mm High Capacitance

Packaging Specifications

Page

Tel: (949)642-7324

SECI Engineers & Buyers' Guide

Fax: (949)642-7327

Sharma Mica Capacitors

PERFORMANCE CHARACTERISTICS

FIGURE 1

GENERAL SPECIFICATIONS FOR

SHARMA

MICA CAPACITORS

The

SHARMA

Mica capacitors meet the required commercial specifications and theEIA

requirements. The CMO series capacitors also meet the military specifications MIL-C-5. The

actual specifications and dimensions of the capacitors are mentioned under each series in

the catalog.

CAPACITANCE

The capacitance of mica capacitors is measured at 1 M Hz ±10% for capacitance values up

to 1000 pF and at 1 K Hz ±10% for capacitance values above 1000 pF. The capacitance

value when measured at 25 °C shall be with in the tolerance specified.

DISSIPATION FACTOR

The dissipation factor for mica capacitors are measured at 1MHz for values up to 1000 pF

and at 1 KHz for values above 1000 pF. The values shall remain within the specified values.

The variation pattern of dissipation factor for different values of capacitance are also shown

in the Figure 3.

INSULATION RESISTANCE

The insulation resistance is measured at 50 ±5 V for capacitors with rated voltage of 50 V

DC and at 100 ±10 V for capacitors with higher voltage rating. The insulation resistance thus

measured at 25 °C shall meet the specified limits. The variation of insulation resistance for

different capacitance values at 25 °C is shown in Figure 1. After certain tests listed below

the insulation resistance value changes and these values are plotted in Figure 2. Figure 4

indicates the variation pattern of insulation resistance with capacitance value at different

temperature conditions.

WITHSTANDING VOLTAGE

The mica capacitors are designed to withstand higher voltage than the rated voltage for

limited time. These capacitors shall withstand 200% of the rated voltage for 1 to 5 seconds

when applied with a limiting surge current value of 50 mA.

VIBRATION GRADE

The capacitors shall be subjected to a harmonic motion having an amplitude of 1.5 mm and

the frequency which is varied between the limits of 10 and 55 Hz. The entire frequency

range from 10 to 55 Hz and then back to 10 Hz shall be traversed in approximately 1 minute

and the motion shall be applied for a period of 1hour in each of the three mutually

perpendicular directions. After testing, when the electrical measurements are performed:

1. The insulation resistance shall be more than 30000 M Ohms for capacitance value up to

10000 pF. Please refer to Figure 2 for acceptable variation pattern for Insulation

Resistance for values above 10000 pF.

2. The dissipation factor shall be within the original specified limits. Please also refer to

Figure 3 for variation pattern of dissipation factor with respect to capacitance value.

3. The capacitance change shall not exceed ±1% or ±1 pF whichever is greater.

SOLDERING HEAT RESISTANCE

Both leads of the capacitors shall be immersed in molten solder at a temperature of 270

°C for 3 to 4 seconds. After the test the capacitors shall meet the initial requirements of the

Withstanding voltage and the Capacitance change shall not exceed ± 0.55 or ± 1 pF.

MOISTURE RESISTANCE

Capacitors shall be subjected to a temperature of 40 ±2 °C at 90 to 95 % relative humidity

for 240 ±8 Hours. After the test:

1. The samples shall meet the after test requirement of Insulation resistance values as

furnished in Figure 2.

2. The dissipation factor shall be within 1.5 times the original specified limits. Please also

refer to Figure 3 for variation pattern of dissipation factor with respect to capacitance

value for original limits.

3. The capacitance change shall not exceed ±3% or ±1 pF whichever is greater.

MOISTURE RESISTANCE LOADING

Capacitors shall be subjected to a temperature of 40±2 °C at 90 to 95% relative humidity

with rated voltage for 500 Hours. After the test the samples are maintained at normal

temperature and relative humidity for a period of 4 to 24 hours. When tested after this;

1. The capacitor samples shall be free of cracks, or other mechanical damages and the

marking shall remain legible

2. The samples shall meet the original requirement of the Withstanding voltage

3. The samples shall meet the after test requirement of Insulation resistance as furnished in

Figure 2

4. The dissipation factor shall be within 2 times the original limits

5. The capacitance change shall not exceed ±5% or ±1 pF

FIGURE 3

FIGURE 2

Page 4

FIGURE 4

FIGURE 5

Tel: (949)642-7324

SECI Engineers & Buyers' Guide

Fax: (949)642-7327

Sharma Mica Capacitors

MOISTURE RESISTANCE LOADING

Capacitors shall be subjected to a temperature of 40±2 °C at 90 to 95% relative humidity

with rated voltage for 500 Hours. After the test the samples are maintained at normal

temperature and relative humidity for a period of 4 to 24 hours. When tested after this;

1. The capacitor samples shall be free of cracks, or other mechanical damages and the

marking shall remain legible

2. The samples shall meet the original requirement of the Withstanding voltage

3. The samples shall meet the after test requirement of Insulation resistance as furnished in

Figure 2

4. The dissipation factor shall be within 2 times the original limits

5. The capacitance change shall not exceed ±5% or ±1 pF

LIFE TEST

The capacitor samples shall be subjected to a temperature of 125 °C with 150% of rated

voltage for 2000 hours.

After the test :

1. The capacitor samples shall be free of cracks, or other mechanical damages and the

marking shall remain legible

2. The samples shall meet the original requirement of the

Withstanding voltage

3. The samples shall meet the original requirements of Insulation resistance as furnished in

Figure 1.

4. The dissipation factor shall be within 1.5 times the original limits

5. The capacitance change shall not exceed ±3% or ±1 pF(whichever is greater) for

characteristic "C" and ±2.5 ±1pF (whichever is greater) for characteristic D, E and F.)

OTHER TYPICAL VARIATION PATTERNS

Some typical variation patterns for selected values during heat resistance load life test and

moisture proof load life tests as listed below are illustrated in Figures 8 through 10.

1. Insulation resistance Vs. time for heat resistance load life test and moisture proof load life

tests (Figure 8).

2. Capacitance change in percentage Vs. time (Figure 9).

3. Dissipation factor Vs. time (Figure 10).

Other variation patterns and characteristic for selected values as listed below are furnished

as Figures 11 through 14

1. Capacitance change Vs. frequency (Figure 11)

2. Capacitance change Vs. time(Figure 12)

3. Dissipation factor change Vs. frequency(Figure 13)

4. Insulation resistance Vs. temperature (Figure 14)

FIGURE 8

FIGURE 6

Page 5

FIGURE 7

FIGURE 9

FIGURE 10

FIGURE 11

FIGURE 12

FIGURE 13

FIGURE 14

Tel: (949)642-7324

SECI Engineers & Buyers' Guide

Fax: (949)642-7327

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